:root{--bg:#0a0d14;--bg-card:rgba(18, 22, 32, 0.65);--bg-card-hover:rgba(28, 34, 48, 0.75);--bg-elevated:rgba(22, 28, 40, 0.80);--glass:rgba(255, 255, 255, 0.04);--glass-border:rgba(255, 255, 255, 0.08);--glass-strong:rgba(255, 255, 255, 0.07);--glass-blur:20px;--glass-blur-strong:32px;--text:#e2e8f0;--text-muted:#94a3b8;--text-faint:#64748b;--text-on-color:#ffffff;--primary:#38bdf8;--primary-hover:#7dd3fc;--primary-text:#7dd3fc;--secondary:#f59e0b;--secondary-hover:#fbbf24;--accent:#38bdf8;--success:#34d399;--warning:#fbbf24;--danger:#fb7185;--border:rgba(255, 255, 255, 0.08);--border-light:rgba(255, 255, 255, 0.05);--border-focus:rgba(56, 189, 248, 0.40);--surface-hover:rgba(255, 255, 255, 0.04);--surface-active:rgba(255, 255, 255, 0.07);--primary-5:rgba(56, 189, 248, 0.06);--primary-8:rgba(56, 189, 248, 0.09);--primary-10:rgba(56, 189, 248, 0.12);--primary-15:rgba(56, 189, 248, 0.17);--primary-25:rgba(56, 189, 248, 0.25);--secondary-8:rgba(245, 158, 11, 0.09);--secondary-15:rgba(245, 158, 11, 0.16);--gradient:linear-gradient(135deg, #38bdf8, #818cf8, #f59e0b);--gradient-accent:linear-gradient(135deg, #38bdf8, #f59e0b);--gradient-geo:linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.10), rgba(245, 158, 11, 0.08));--radius:16px;--radius-sm:12px;--shadow:0 4px 16px rgba(0, 0, 0, 0.30),0 1px 3px rgba(0, 0, 0, 0.20);--shadow-md:0 8px 24px rgba(0, 0, 0, 0.35);--shadow-lg:0 16px 48px rgba(0, 0, 0, 0.45);--shadow-glow:0 0 30px rgba(56, 189, 248, 0.12);--transition:0.25s cubic-bezier(0.4, 0, 0.2, 1);--overlay:rgba(0, 0, 0, 0.65);--overlay-heavy:rgba(0, 0, 0, 0.80)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:relative;transition:opacity .3s ease}body.screen-transitioning{opacity:0}body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 80% 60% at 15% 25%,rgba(56,189,248,.1) 0,transparent 55%),radial-gradient(ellipse 60% 80% at 85% 65%,rgba(129,140,248,.08) 0,transparent 55%),radial-gradient(ellipse 50% 50% at 50% 80%,rgba(245,158,11,.06) 0,transparent 55%);pointer-events:none;z-index:0;animation:bgPulse 10s ease-in-out infinite alternate}@keyframes bgPulse{0%{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.02)}100%{opacity:.85;transform:scale(1.01)}}body::after{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:0;mask-image:radial-gradient(ellipse 100% 100% at 50% 50%,black 10%,transparent 65%);-webkit-mask-image:radial-gradient(ellipse 100% 100% at 50% 50%,black 10%,transparent 65%)}#app{position:relative;z-index:1}.geo-bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.glow-h{position:absolute;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.5) 40%,rgba(56,189,248,.65) 50%,rgba(56,189,248,.5) 60%,transparent);background-size:25% 100%;background-repeat:no-repeat;box-shadow:0 0 8px rgba(56,189,248,.3),0 0 20px rgba(56,189,248,.12);animation:lineH 6s linear infinite}.glow-h:first-child{top:100px;animation-duration:5s;animation-delay:0s}.glow-h:nth-child(2){top:250px;animation-duration:7.3s;animation-delay:-2.1s}.glow-h:nth-child(3){top:400px;animation-duration:6.1s;animation-delay:-4.7s}.glow-h:nth-child(4){top:550px;animation-duration:8.4s;animation-delay:-1.3s}.glow-h:nth-child(5){top:700px;animation-duration:5.7s;animation-delay:-3.9s}.glow-h:nth-child(6){top:850px;animation-duration:7.8s;animation-delay:-5.5s}.glow-v{position:absolute;top:0;width:1px;height:100%;background:linear-gradient(180deg,transparent,rgba(56,189,248,.5) 40%,rgba(56,189,248,.65) 50%,rgba(56,189,248,.5) 60%,transparent);background-size:100% 25%;background-repeat:no-repeat;box-shadow:0 0 8px rgba(56,189,248,.3),0 0 20px rgba(56,189,248,.12);animation:lineV 6s linear infinite}.glow-v:nth-child(7){left:50px;animation-duration:6.3s;animation-delay:-.8s}.glow-v:nth-child(8){left:200px;animation-duration:8.1s;animation-delay:-3.4s}.glow-v:nth-child(9){left:350px;animation-duration:5.4s;animation-delay:-5.9s}.glow-v:nth-child(10){left:500px;animation-duration:7.6s;animation-delay:-2.2s}.glow-v:nth-child(11){left:650px;animation-duration:6.8s;animation-delay:-4.5s}.glow-v:nth-child(12){left:800px;animation-duration:5.9s;animation-delay:-1.6s}@keyframes lineH{0%{background-position:-25% 0}100%{background-position:125% 0}}@keyframes lineV{0%{background-position:0 -25%}100%{background-position:0 125%}}@media (min-width:1200px){.glow-v:nth-child(7){left:100px}.glow-v:nth-child(8){left:300px}.glow-v:nth-child(9){left:500px}.glow-v:nth-child(10){left:700px}.glow-v:nth-child(11){left:900px}.glow-v:nth-child(12){left:1100px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:rgba(56,189,248,.15);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(56,189,248,.25)}.chat-body::-webkit-scrollbar{width:4px}.chat-body::-webkit-scrollbar-thumb{background:var(--text-faint)}#top-bar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:0 0;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:none}.logo{font-weight:800;font-size:1.1rem;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-logo{font-weight:900;font-size:1.05rem;letter-spacing:-.02em;color:#fff;text-decoration:none;cursor:pointer;transition:transform .3s ease,opacity .3s ease}.nav-logo:hover{opacity:.8}.nav-logo.nav-logo-hidden{transform:translateY(-100%);opacity:0;pointer-events:none}.nav-logo.nav-logo-bounce{animation:logoBounceIn .4s cubic-bezier(.34,1.56,.64,1)}@keyframes logoBounceIn{0%{transform:translateY(-100%);opacity:0}60%{transform:translateY(4px);opacity:1}100%{transform:translateY(0);opacity:1}}.top-left{display:flex;gap:8px;align-items:center}.top-right{display:flex;gap:12px;align-items:center}.nav-menu-wrapper{position:relative}.nav-hamburger{background:0 0;border:none;cursor:pointer;padding:8px;display:flex;flex-direction:column;gap:5px;z-index:12}.nav-hamburger span{display:block;width:20px;height:1.5px;background:var(--text);transition:all .3s}.nav-hamburger:hover span{background:var(--primary)}.nav-menu{display:none;position:absolute;top:calc(100% + 8px);right:0;background:rgba(10,13,20,.9);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:6px 0;min-width:170px;z-index:200;box-shadow:var(--shadow-lg);animation:fadeIn .15s ease}.nav-menu.open{display:block}.nav-menu-item{display:block;padding:10px 20px;font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);cursor:pointer;transition:all .15s;text-decoration:none;border:none;background:0 0;width:100%;text-align:left;font-family:inherit}.nav-menu-item:hover{color:var(--text);background:rgba(255,255,255,.05)}.nav-menu-divider{height:1px;background:var(--glass-border);margin:4px 0}.nav-menu-user{display:flex;align-items:center;gap:8px;padding:10px 20px}.nav-menu-badge{font-size:1rem}.nav-menu-name{font-size:.75rem;font-weight:600;color:var(--text)}.boost-badge,.xp-badge{display:flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;font-weight:700;font-size:.9rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.xp-badge{background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);color:#7dd3fc;box-shadow:0 0 20px rgba(56,189,248,.08)}.boost-badge{background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.18);color:var(--success);font-size:.75rem}.badge-label{font-size:.55rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;opacity:.85}.xp-badge .badge-label{color:#7dd3fc}.streak-badge{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:20px;font-weight:700;font-size:.85rem;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.2);color:#fbbf24;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 0 20px rgba(251,191,36,.06)}.streak-badge .badge-label{color:#fbbf24}.timer-pill{display:flex;align-items:center;gap:6px;padding:6px 16px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.25);border-radius:20px;font-weight:700;font-variant-numeric:tabular-nums;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 0 24px rgba(56,189,248,.1)}.screen{display:none;padding:16px 20px;max-width:720px;margin:0 auto}.screen.active{display:block}.screen.fade-in{animation:fadeIn .35s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.back-btn{background:0 0;border:none;color:var(--text-muted);font-size:.95rem;cursor:pointer;padding:8px 0;margin-bottom:12px;transition:var(--transition)}.back-btn:hover{color:var(--primary)}#screen-home.logged-in .landing-hero{display:none}#screen-home:not(.logged-in) .home-hero,#screen-home:not(.logged-in) .home-section,#screen-home:not(.logged-in) .readiness-section,#screen-home:not(.logged-in) .resume-banner,#screen-home:not(.logged-in) .sign-in-prompt,#screen-home:not(.logged-in) .tip-carousel,#screen-home:not(.logged-in) .unlock-banner{display:none!important}.landing-hero{text-align:center;padding:40px 0 24px;max-width:640px;margin:0 auto}.landing-logo{font-size:3.2rem;font-weight:900;letter-spacing:-.04em;color:#fff;margin-bottom:16px}.landing-headline{font-size:1.8rem;font-weight:800;color:var(--text);line-height:1.2;margin-bottom:12px;letter-spacing:-.02em}.landing-sub{font-size:.95rem;color:var(--text-muted);line-height:1.6;margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}.landing-subjects{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;text-align:left}.landing-subject-card{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.landing-subject-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent)}.landing-subject-card:hover{background:var(--bg-card-hover);border-color:var(--border-focus);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.landing-subject-icon{flex-shrink:0;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08)}.landing-subject-icon svg{width:20px;height:20px;flex-shrink:0}.lsi-sf{color:#00a1e0;border-color:rgba(0,161,224,.25);background:rgba(0,161,224,.08)}.lsi-ca{color:#d97706;border-color:rgba(217,119,6,.25);background:rgba(217,119,6,.08)}.lsi-aws{color:#f90;border-color:rgba(255,153,0,.25);background:rgba(255,153,0,.08)}.lsi-az{color:#0078d4;border-color:rgba(0,120,212,.25);background:rgba(0,120,212,.08)}.landing-subject-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.landing-subject-name{font-weight:700;font-size:.95rem;color:var(--text)}.landing-subject-detail{font-size:.72rem;color:var(--text-muted);line-height:1.4}.landing-subject-count{font-size:.72rem;font-weight:600;color:var(--primary-text);margin-top:2px}.landing-subject-arrow{font-size:1.2rem;color:var(--text-muted);flex-shrink:0;transition:all var(--transition)}.landing-subject-card:hover .landing-subject-arrow{transform:translateX(3px);color:var(--primary)}.landing-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px;text-align:left}.landing-feature{display:flex;gap:12px;align-items:flex-start}.landing-feature-icon{flex-shrink:0;width:36px;height:36px;border-radius:8px;background:rgba(56,189,248,.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.15);display:flex;align-items:center;justify-content:center;color:var(--primary-text)}.landing-feature-title{display:block;font-weight:700;font-size:.8rem;color:var(--text);margin-bottom:2px}.landing-feature-desc{display:block;font-size:.7rem;color:var(--text-muted);line-height:1.4}.landing-cta{display:block;width:100%;padding:14px 24px;margin-bottom:10px;background:rgba(56,189,248,.1);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(56,189,248,.25);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:.95rem;font-weight:700;cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.landing-cta::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(56,189,248,.08),transparent);animation:shimmer 3s infinite}@keyframes shimmer{0%{left:-100%}100%{left:100%}}.landing-cta:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-glow);background:rgba(56,189,248,.15)}.landing-cta-secondary{display:block;width:100%;padding:12px 24px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:.82rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.landing-cta-secondary:hover{border-color:rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.07)}.landing-social-proof{display:flex;justify-content:center;align-items:center;gap:20px;margin-bottom:28px;padding:16px 0}.landing-proof-item{text-align:center}.landing-proof-number{display:block;font-size:1.4rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing-proof-label{display:block;font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.landing-proof-divider{width:1px;height:32px;background:var(--glass-border)}.landing-guarantee{margin-top:16px;font-size:.72rem;color:var(--text-muted);text-align:center}@media (max-width:600px){.landing-hero{padding:24px 0 16px}.landing-logo{font-size:2.4rem;margin-bottom:12px}.landing-headline{font-size:1.4rem}.landing-sub{font-size:.85rem;margin-bottom:24px}.landing-features{grid-template-columns:1fr;gap:12px}.landing-subject-card{padding:14px 16px}.landing-social-proof{gap:14px}.landing-proof-number{font-size:1.1rem}}.home-hero{text-align:center;padding:12px 0 16px}.home-logo{font-size:3.2rem;font-weight:900;letter-spacing:-.04em;color:#fff;margin-bottom:4px}.home-tagline{font-size:.7rem;font-weight:500;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase}.cert-dropdown{display:block;position:relative;margin-top:12px}.cert-dropdown-btn{display:flex;align-items:center;gap:8px;width:100%;padding:12px 16px;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:12px;color:var(--text);font-family:inherit;font-size:.9rem;font-weight:700;cursor:pointer;transition:border-color .2s}.cert-dropdown-btn:hover{border-color:var(--border-focus)}.cert-dropdown-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;box-shadow:0 0 8px rgba(56,189,248,.4)}.cert-dropdown-arrow{margin-left:auto;opacity:.4;transition:transform .2s}.cert-dropdown-menu.open+.cert-dropdown-arrow,.cert-dropdown-menu.open~.cert-dropdown-btn .cert-dropdown-arrow{transform:rotate(180deg)}.cert-dropdown-menu{display:none;position:absolute;top:calc(100% + 4px);left:0;right:0;background:rgba(18,22,32,.9);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:12px;overflow:hidden;z-index:100;box-shadow:var(--shadow-lg)}.cert-dropdown-menu.open{display:block}.cert-dropdown-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px 16px;background:0 0;border:none;border-bottom:1px solid var(--glass-border);color:var(--text-muted);font-family:inherit;font-size:.85rem;font-weight:500;cursor:pointer;transition:background .15s;text-align:left}.cert-dropdown-item:last-child{border-bottom:none}.cert-dropdown-item:hover{background:var(--surface-hover)}.cert-dropdown-active{color:var(--text);font-weight:700}.cert-dropdown-locked{opacity:.5}.cert-dropdown-name{flex:1}.cert-dropdown-badge{font-size:.55rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-on-color);background:var(--gradient-accent);padding:3px 10px;border-radius:20px}.cert-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.cert-peek{margin-top:8px;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:12px;padding:16px;position:relative;animation:fadeIn .15s ease}.cert-peek-close{position:absolute;top:8px;right:12px;background:0 0;border:none;color:var(--text-muted);font-size:1rem;cursor:pointer;padding:4px 8px;opacity:.5}.cert-peek .cd-header h2{font-size:.95rem}.cert-peek .cd-desc{font-size:.75rem}.cert-peek .cd-stats{grid-template-columns:repeat(4,1fr);gap:6px}.cert-peek .cd-stat-val{font-size:.8rem}.cert-peek .cd-stat-label{font-size:.55rem}@media (min-width:601px){.cert-peek{display:none!important}}.subject-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;justify-content:center;margin:20px auto 8px;max-width:580px;padding:0 16px}.subject-card{padding:12px 10px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;cursor:pointer;transition:all .25s ease;text-align:center;font-family:inherit;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;position:relative;overflow:hidden}.subject-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.15),transparent)}.subject-card:hover{background:var(--glass-strong);border-color:var(--border-focus);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.subject-card-active{background:var(--glass-strong);border-color:rgba(56,189,248,.25);color:var(--text);box-shadow:0 0 20px rgba(56,189,248,.1)}.subject-card-active::before{background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}.subject-card-active:hover{border-color:rgba(56,189,248,.25)}.subject-card-name{display:block;font-size:.78rem;font-weight:700;letter-spacing:.01em;line-height:1.2}.subject-card-meta{display:block;font-size:.62rem;margin-top:2px;opacity:.8;font-weight:500;line-height:1.3;color:var(--text-muted)}@media (max-width:600px){.subject-selector{grid-template-columns:repeat(2,1fr);gap:10px;max-width:320px;padding:0 12px}.subject-card{padding:16px 10px}.subject-card-name{font-size:.8rem}}.cert-selector{display:none;gap:0;justify-content:center;margin-top:12px;border-bottom:1px solid var(--glass-border)}@media (min-width:601px){.cert-dropdown{display:none}.cert-selector{display:flex}}.cert-selector::-webkit-scrollbar{display:none}.cert-tab{padding:10px 16px;background:0 0;border:none;border-bottom:2px solid transparent;border-radius:0;color:var(--text-muted);font-family:inherit;font-size:.72rem;font-weight:600;cursor:pointer;transition:all .25s ease;text-align:center;white-space:nowrap;flex-shrink:0;letter-spacing:.02em}.cert-tab:hover{color:var(--text)}.cert-tab-active{color:var(--text)}.cert-tab[data-cert=aws-ccp].cert-tab-active{border-bottom-color:#f90;color:#f90}.cert-tab[data-cert=az-900].cert-tab-active{border-bottom-color:#0078d4;color:#0078d4}.cert-tab[data-cert=sf-admin].cert-tab-active{border-bottom-color:#00a1e0;color:#00a1e0}.cert-tab[data-cert=sf-advadmin].cert-tab-active{border-bottom-color:#1b96ff;color:#1b96ff}.cert-tab[data-cert=sf-appbuilder].cert-tab-active{border-bottom-color:#0d9dda;color:#0d9dda}.cert-tab[data-cert=sf-salescloud].cert-tab-active{border-bottom-color:#2e844a;color:#2e844a}.cert-tab[data-cert=sf-servicecloud].cert-tab-active{border-bottom-color:#cb65ff;color:#cb65ff}.cert-tab[data-cert=agentic].cert-tab-active{border-bottom-color:#d97706;color:#d97706}.cert-tab[data-cert=claudecode].cert-tab-active{border-bottom-color:#d97706;color:#d97706}.cert-tab[data-cert=prompting].cert-tab-active{border-bottom-color:#d97706;color:#d97706}.cert-tab[data-cert=tooldesign].cert-tab-active{border-bottom-color:#d97706;color:#d97706}.cert-tab[data-cert=context].cert-tab-active{border-bottom-color:#d97706;color:#d97706}.cert-lock{font-size:.55rem;margin-right:3px}.cert-tab-badge{font-size:.45rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-on-color);background:var(--gradient-accent);padding:2px 8px;border-radius:20px;vertical-align:middle;margin-left:2px}.cert-tab-locked{color:var(--text-faint);cursor:default}.mock-mode-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;max-width:360px;width:100%;animation:fadeIn .2s ease;box-shadow:var(--shadow-lg)}.mock-mode-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.mock-mode-header h2{font-size:1.1rem;font-weight:700;margin:0}.mock-mode-desc{font-size:.75rem;color:var(--text-muted);margin-bottom:16px}.mock-mode-options{display:flex;flex-direction:column;gap:8px}.mock-mode-btn{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;text-align:left;transition:all var(--transition)}.mock-mode-btn:hover{border-color:var(--border-focus);background:var(--glass-strong);box-shadow:var(--shadow-glow)}.mock-mode-icon{font-size:1.3rem;flex-shrink:0}.mock-mode-title{font-size:.85rem;font-weight:700;color:var(--text);display:block}.mock-mode-sub{font-size:.65rem;color:var(--text-muted);display:block}.mock-close-btn{background:0 0;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:4px 8px;opacity:.5;transition:opacity .2s}.mock-close-btn:hover{opacity:1}.quick-quiz-slider{text-align:center;padding:8px 0 16px}.quick-quiz-count{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:12px;text-shadow:0 0 20px rgba(56,189,248,.3)}.quick-quiz-slider input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:4px;background:var(--glass-border);border-radius:2px;outline:0}.quick-quiz-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 0 12px rgba(56,189,248,.4)}.quick-quiz-slider input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--primary);cursor:pointer;border:none;box-shadow:0 0 12px rgba(56,189,248,.4)}.quick-quiz-range-labels{display:flex;justify-content:space-between;font-size:.7rem;color:var(--text-muted);margin-top:6px;opacity:.5}.quick-quiz-start{width:100%;margin-top:4px}.cert-info{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--glass-border);font-size:.55rem;font-weight:700;font-style:italic;margin-left:4px;vertical-align:middle;opacity:.7;transition:opacity var(--transition)}.cert-info:hover{opacity:1}.cd-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;max-width:420px;width:100%;position:relative;animation:fadeIn .15s ease;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.cd-header{display:flex;align-items:center;gap:10px;margin-bottom:10px;padding-right:24px}.cd-header h2{font-size:1.1rem;font-weight:800;margin:0}.cd-level{font-size:.6rem;font-weight:700;padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.cd-level-beginner{background:rgba(52,211,153,.12);color:var(--success)}.cd-level-intermediate{background:rgba(251,191,36,.15);color:var(--warning)}.cd-level-advanced{background:rgba(251,113,133,.15);color:var(--danger)}.cd-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5;margin-bottom:16px}.cd-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:16px}.cd-stat{background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:8px;padding:10px 6px;text-align:center}.cd-stat-val{display:block;font-size:.9rem;font-weight:800;color:var(--text)}.cd-stat-label{font-size:.55rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.cd-section{margin-bottom:14px}.cd-section-label{font-size:.65rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;display:block}.cd-prereq-badge{display:inline-block;font-size:.7rem;font-weight:600;padding:4px 12px;border-radius:6px}.cd-prereq-none{background:rgba(52,211,153,.1);color:var(--success)}.cd-prereq-done{background:rgba(52,211,153,.1);color:var(--success)}.cd-prereq-locked{background:rgba(251,113,133,.1);color:var(--danger)}.cd-topics{display:flex;flex-wrap:wrap;gap:4px}.cd-topic{font-size:.65rem;padding:3px 8px;background:var(--glass);border:1px solid var(--glass-border);border-radius:4px;color:var(--text-muted)}.cd-next{display:flex;gap:6px;flex-wrap:wrap}.cert-next-btn{padding:6px 12px;background:var(--glass);border:1px solid var(--primary-15);border-radius:6px;color:var(--primary);font-family:inherit;font-size:.7rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.cert-next-btn:hover{border-color:var(--border-focus);background:var(--primary-8)}.cd-start{width:100%;padding:12px;margin-top:16px;background:rgba(56,189,248,.15);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.3);color:#fff;font-family:inherit;font-size:.85rem;font-weight:700;border-radius:8px;cursor:pointer;transition:all var(--transition)}.cd-start:hover{background:rgba(56,189,248,.25);box-shadow:var(--shadow-glow)}.cd-locked-msg{display:inline-block;margin-top:16px;padding:6px 16px;background:var(--gradient-accent);border:none;border-radius:20px;font-size:.7rem;font-weight:700;color:var(--text-on-color);text-transform:uppercase;letter-spacing:.5px;text-align:center;cursor:pointer;font-family:inherit;transition:opacity .2s}.cd-locked-msg:hover{opacity:.85}.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.resume-banner{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(56,189,248,.15);border-radius:var(--radius-sm);padding:10px 14px;margin:0 0 16px}.resume-text{display:flex;flex-direction:column;gap:2px}.resume-title{font-size:.85rem;font-weight:700}.resume-info{font-size:.7rem;color:var(--text-muted)}.resume-actions{display:flex;gap:6px}.unlock-banner{display:flex;align-items:center;justify-content:space-between;padding:28px 18px 14px 18px;margin-bottom:16px;position:relative;overflow:hidden;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);box-shadow:var(--shadow)}.unlock-banner::before{content:'';position:absolute;top:-50%;right:-20%;width:200px;height:200px;clip-path:polygon(25% 0%,75% 0%,100% 50%,75% 100%,25% 100%,0% 50%);background:rgba(56,189,248,.04);animation:geoSpin 20s linear infinite;pointer-events:none}.unlock-banner::after{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}@keyframes geoSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}.unlock-banner:hover{border-color:rgba(245,158,11,.3);box-shadow:var(--shadow-md),0 0 30px rgba(245,158,11,.08)}.unlock-banner.unlock-shake{animation:unlockAlarm .6s ease}@keyframes unlockAlarm{0%,100%{transform:translateX(0)}10%{transform:translateX(-4px)}20%{transform:translateX(4px)}30%{transform:translateX(-4px)}40%{transform:translateX(4px)}50%{transform:translateX(-3px)}60%{transform:translateX(3px)}70%{transform:translateX(-2px)}80%{transform:translateX(2px)}90%{transform:translateX(-1px)}}@keyframes bannerShine{0%{transform:skewX(20deg) translateX(-160%)}100%{transform:skewX(20deg) translateX(260%)}}.unlock-ribbon{position:absolute;top:-1px;left:-1px;background:var(--text);font-size:.5rem;font-weight:800;letter-spacing:.1em;color:var(--bg);padding:6px 22px 6px 10px;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);z-index:1;border-radius:var(--radius-sm) 0 0 0}.unlock-text{display:flex;flex-direction:column;gap:2px;flex:1;text-align:center}.unlock-title{font-size:.85rem;font-weight:800;color:var(--text)}.unlock-desc{font-size:.6rem;color:var(--text-muted)}.unlock-pricing{display:flex;flex-direction:column;align-items:flex-end;gap:1px;white-space:nowrap}.unlock-original{font-size:.7rem;color:var(--text-muted);text-decoration:line-through;opacity:.65}.unlock-price{font-size:1.4rem;font-weight:900;color:var(--text);line-height:1}.unlock-limited{font-size:.55rem;font-weight:700;color:#fbbf24;text-transform:uppercase;letter-spacing:.05em}.readiness-section{margin-bottom:20px;display:flex;flex-direction:column;gap:10px}.readiness-bar-container{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:16px;padding:24px 22px 20px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.readiness-bar-container::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.2),transparent)}.readiness-bar-container::after{display:none}.readiness-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--glass-border);position:relative;z-index:1}.readiness-label{font-size:.9rem;font-weight:900;text-transform:uppercase;letter-spacing:.14em;color:var(--primary);text-shadow:0 0 20px rgba(56,189,248,.3)}.readiness-pct{font-size:1.8rem;font-weight:900;letter-spacing:-.03em;color:var(--text)}.readiness-track{height:6px;background:var(--glass-strong);border-radius:3px;position:relative;overflow:hidden}.readiness-fill{height:100%;border-radius:3px;transition:width .8s cubic-bezier(.4, 0, .2, 1),background .5s ease;background:var(--danger);box-shadow:0 0 10px rgba(251,113,133,.3)}.readiness-threshold{position:absolute;left:65%;top:-2px;bottom:-2px;width:2px;background:var(--glass-border);border-radius:1px}.readiness-sub{font-size:.5rem;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;position:relative;z-index:1;opacity:.45;font-weight:500;margin-bottom:2px;margin-top:-6px}.topic-graph{display:flex;flex-direction:column;gap:16px;position:relative;z-index:1}.topic-row{display:grid;grid-template-columns:1fr auto;gap:7px 14px;align-items:center;padding:0 10px;margin:0 -10px;border-radius:4px;transition:background .3s ease;cursor:default}.topic-row:hover{background:var(--primary-8)}.topic-row:hover .topic-row-name{color:var(--primary)}.topic-row:hover .topic-row-bar{background:var(--glass-border)}.topic-row:hover .topic-row-fill{filter:brightness(1.2)}@media (hover:none),(pointer:coarse),(max-width:768px){.topic-row{-webkit-tap-highlight-color:transparent;transition:none!important}.topic-row:active,.topic-row:hover{background:0 0!important;box-shadow:none!important;transform:none!important}.topic-row:active .topic-row-name,.topic-row:hover .topic-row-name{color:var(--text)!important}.topic-row:active .topic-row-bar,.topic-row:hover .topic-row-bar{background:var(--glass-border)!important}.topic-row:active .topic-row-fill,.topic-row:hover .topic-row-fill{filter:none!important}}@media (max-width:430px){.readiness-section{margin-bottom:14px}.readiness-bar-container{border-radius:14px;padding:18px 16px 14px}.readiness-header{margin-bottom:16px}.readiness-label{font-size:.72rem}.readiness-pct{font-size:1.3rem}.readiness-sub{font-size:.5rem;margin-top:12px}.topic-graph{gap:2px}.topic-row{min-height:44px;padding:8px 8px;margin:-8px -8px;gap:5px 10px;border-radius:8px}.topic-row-name{font-size:.64rem}.topic-row-pct{font-size:.6rem}.topic-row-bar{height:5px;border-radius:2.5px}.topic-row-fill{border-radius:2.5px}}@media (max-width:375px){.readiness-bar-container{border-radius:12px;padding:16px 14px 12px}.readiness-label{font-size:.65rem;letter-spacing:.1em}.readiness-pct{font-size:1.15rem}.topic-row-name{font-size:.58rem}.topic-row-pct{font-size:.55rem}}.topic-row-name{font-size:.65rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2;grid-column:1;letter-spacing:.01em;opacity:.85}.topic-row-pct{font-size:.6rem;font-weight:800;text-align:right;white-space:nowrap;line-height:1;grid-column:2;font-variant-numeric:tabular-nums}.topic-row-bar{grid-column:1/-1;height:8px;background:var(--glass-strong);border-radius:4px;position:relative;overflow:hidden}.topic-row-fill{width:100%!important;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--danger) 0,var(--warning) 50%,var(--success) 100%);transition:clip-path 1s cubic-bezier(.16, 1, .3, 1);position:relative;overflow:hidden}.topic-row-fill::after{display:none}.next-step-card{margin-top:18px;padding:12px 14px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;cursor:pointer;transition:all .3s ease;position:relative;z-index:1}.next-step-card:hover{background:var(--glass-strong);border-color:var(--border-focus);box-shadow:var(--shadow-glow)}.next-step-body{display:flex;align-items:center;justify-content:space-between;gap:12px}.next-step-text{display:flex;flex-direction:column;gap:3px;min-width:0}.next-step-tag{font-size:.48rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--primary-text);opacity:.7}.next-step-title{font-size:.75rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.next-step-desc{font-size:.55rem;color:var(--text-muted);line-height:1.4}.next-step-arrow{font-size:1rem;font-weight:700;color:var(--text-muted);flex-shrink:0;transition:all .3s ease}.next-step-card:hover .next-step-arrow{color:var(--primary);transform:translateX(3px)}@media (hover:none){.next-step-card:hover{background:var(--primary-5);border-color:var(--primary-10);box-shadow:none}.next-step-card:hover .next-step-arrow{color:rgba(56,189,248,.6);transform:none}.next-step-card:active{background:var(--primary-15);border-color:var(--border-focus)}.next-step-card:active .next-step-arrow{color:var(--primary)}}.tip-carousel{margin:14px 0}.tip-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:22px 24px 16px;min-height:10vh;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.tip-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(129,140,248,.15),transparent)}.tip-quote{font-family:Georgia,serif;font-size:2.2rem;font-weight:800;color:var(--primary);opacity:.4;vertical-align:middle}.tip-body{font-size:.85rem;color:var(--text-muted);line-height:1.65;font-style:italic;letter-spacing:.01em;text-align:center;transition:opacity .6s cubic-bezier(.4, 0, .2, 1),transform .6s cubic-bezier(.4, 0, .2, 1);display:flex;align-items:center;justify-content:center;gap:4px}.tip-body.tip-out{opacity:0;transform:translateY(10px)}.tip-body.tip-in{opacity:0;transform:translateY(-10px)}.tip-dots{display:flex;justify-content:center;gap:5px;margin-top:14px}.tip-dot{width:5px;height:5px;border-radius:50%;background:var(--glass-border);transition:all .3s ease}.tip-dot.active{background:var(--primary);opacity:.7;width:14px;border-radius:3px;box-shadow:0 0 8px rgba(56,189,248,.3)}.home-section{margin-bottom:16px}.home-section-label{font-size:.65rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.home-grid.home-grid-3{grid-template-columns:1fr 1fr 1fr}.home-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:16px 12px;text-align:center;min-height:19vh;cursor:pointer;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;gap:4px;font-family:inherit;color:var(--text);position:relative;overflow:hidden}.home-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 10%,rgba(56,189,248,.25) 50%,transparent 90%)}.home-card::after{content:'';position:absolute;top:0;left:0;bottom:0;width:1px;background:linear-gradient(180deg,rgba(56,189,248,.2) 0,transparent 60%)}.home-card:hover{border-color:var(--border-focus);background:var(--bg-card-hover);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.home-card:active{transform:scale(.98)}.home-card-primary{border-color:rgba(56,189,248,.15);background:rgba(56,189,248,.06)}.home-card-primary::before{background:linear-gradient(90deg,transparent,rgba(56,189,248,.15),transparent)}.home-card-primary:hover{background:rgba(56,189,248,.12);border-color:var(--primary)}.home-card-title{font-size:.85rem;font-weight:700;margin-top:2px}.home-card-desc{font-size:.65rem;color:var(--text-muted);margin-top:2px;flex:1}.home-card-cert{font-size:.55rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.home-card-meta{font-size:.6rem;color:var(--primary-text);margin-top:2px}.home-card-locked{pointer-events:none;filter:brightness(.7) saturate(.6)}.home-card-wide{grid-column:1/-1}.carousel-container{overflow:hidden;position:relative}.carousel-track{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:4px 0 8px}.carousel-track::-webkit-scrollbar{display:none}.carousel-card{flex:0 0 calc(50% - 4px);scroll-snap-align:start;min-height:19vh;justify-content:center}.carousel-card .home-card-icon{line-height:1;margin-bottom:6px;color:var(--primary-text)}.carousel-card .home-card-icon svg{width:22px;height:22px;filter:drop-shadow(0 0 6px rgba(56, 189, 248, .3))}.carousel-dots{display:flex;justify-content:center;gap:2px;margin-top:8px}.carousel-dot{width:24px;height:24px;border-radius:50%;background:0 0;border:none;padding:0;cursor:pointer;transition:all .3s ease;position:relative}.carousel-dot::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:6px;height:6px;border-radius:50%;background:var(--glass-border);transition:all .3s ease}.carousel-dot.active::after{background:var(--primary);width:18px;border-radius:3px;box-shadow:0 0 8px rgba(56,189,248,.4)}.carousel-dot.end::after{background:var(--primary);width:18px;height:6px;border-radius:3px}.carousel-dot.dot-bounce{animation:dotBounce 1.5s ease 2s infinite}@keyframes dotBounce{0%,100%{transform:translateY(0)}25%{transform:translateY(-4px)}50%{transform:translateY(0)}75%{transform:translateY(-2px)}}@media (min-width:900px){.carousel-card{flex:0 0 calc(33.333% - 6px)}}.sign-in-prompt{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;margin:0 0 16px;background:rgba(56,189,248,.05);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(56,189,248,.12);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.sign-in-prompt::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.2),transparent)}.sign-in-prompt::after{display:none}.sign-in-prompt:hover{border-color:var(--primary);background:rgba(56,189,248,.1);box-shadow:var(--shadow-glow)}.sign-in-title{font-size:.72rem;font-weight:600;color:var(--text-muted);letter-spacing:.03em;line-height:1.6;text-transform:uppercase}.sign-in-title strong{color:var(--primary);font-weight:800}.signup-cta{font-size:.72rem;font-weight:700;color:var(--text-on-color);background:rgba(56,189,248,.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.35);padding:9px 18px;border-radius:8px;white-space:nowrap;transition:all var(--transition);letter-spacing:.02em;flex-shrink:0}.sign-in-prompt:hover .signup-cta{background:rgba(56,189,248,.35);box-shadow:0 0 16px rgba(56,189,248,.2)}.earn-section{margin-bottom:16px}.earn-header{display:flex;justify-content:space-between;align-items:center;width:100%;background:0 0;border:none;cursor:pointer;padding:0;margin-bottom:8px;font-family:inherit}.earn-toggle{font-size:.8rem;color:var(--text-muted);display:inline-block}.earn-toggle-nudge{animation:earnNudge 1.5s ease-in-out infinite}@keyframes earnNudge{0%,100%{transform:translateX(0)}50%{transform:translateX(4px)}}.earn-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.earn-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;transition:all var(--transition)}.earn-btn:hover{border-color:var(--border-focus);background:var(--bg-card-hover)}.earn-btn-label{font-size:.7rem;font-weight:600;color:var(--text)}.earn-btn-reward{font-size:.6rem;font-weight:700;color:var(--success)}.earn-btn-twitter{border-left:2px solid #1da1f2}.earn-btn-linkedin{border-left:2px solid #0077b5}.earn-btn-reddit{border-left:2px solid #ff4500}.earn-btn-facebook{border-left:2px solid #1877f2}.earn-btn-instagram{border-left:2px solid #e1306c}.earn-btn-whatsapp{border-left:2px solid #25d366}.earn-btn-telegram{border-left:2px solid #08c}.earn-btn-pinterest{border-left:2px solid #e60023}.earn-btn-copy{border-left:2px solid var(--primary)}.earn-btn-refer{border-left:2px solid var(--success)}.earn-btn-refer{grid-column:1/-1;flex-direction:row;justify-content:center}.earn-btn-done{display:none}.xp-shop{margin-bottom:16px}.xp-shop-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.xp-shop-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 6px;background:rgba(251,191,36,.04);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(251,191,36,.12);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;transition:all var(--transition)}.xp-shop-btn:hover:not(:disabled){background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.25)}.xp-shop-qty{font-size:.8rem;font-weight:700;color:var(--warning)}.xp-shop-cost{font-size:.6rem;color:var(--text-muted)}.progress-ring-container{position:relative;width:140px;height:140px;margin:16px auto}.progress-ring{width:100%;height:100%;transform:rotate(-90deg)}.progress-ring-bg{fill:none;stroke:var(--glass-strong);stroke-width:12}.progress-ring-fill{fill:none;stroke:url(#ring-gradient);stroke-width:12;stroke-linecap:round;stroke-dasharray:534;stroke-dashoffset:534;transition:stroke-dashoffset 1s cubic-bezier(.4, 0, .2, 1);filter:drop-shadow(0 0 6px rgba(56, 189, 248, .3))}.progress-ring-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}.progress-ring-label span{font-size:2rem;font-weight:900;display:block}.progress-ring-label small{color:var(--text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:1px}.ring-gradient-stop1{stop-color:#38bdf8}.ring-gradient-stop2{stop-color:#f59e0b}.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-primary{background:rgba(56,189,248,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(56,189,248,.3);color:#fff;box-shadow:0 0 20px rgba(56,189,248,.15)}.btn-primary:hover{background:rgba(56,189,248,.3);box-shadow:0 0 30px rgba(56,189,248,.25)}.btn-secondary{background:var(--primary-15);color:var(--secondary);border:1px solid var(--border-focus);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.btn-secondary:hover{background:var(--primary-25)}.btn-accent{background:var(--secondary-15);color:var(--secondary);border:1px solid var(--secondary);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.btn-accent:hover{background:rgba(245,158,11,.25)}.btn-outline{background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text);border:1px solid var(--glass-border)}.btn-outline:hover{background:var(--glass-strong);border-color:var(--border)}.btn-success{background:rgba(52,211,153,.2);border:1px solid rgba(52,211,153,.3);color:#fff}.btn-warning{background:rgba(251,191,36,.2);border:1px solid rgba(251,191,36,.3);color:#1a1d24}.btn-danger{background:rgba(251,113,133,.2);border:1px solid rgba(251,113,133,.3);color:#fff}.btn-lg{padding:16px 28px;font-size:1.05rem}.btn-sm{padding:10px 16px;font-size:.85rem}.btn-icon{font-size:1.2rem}.pulse{animation:pulse 2.5s infinite}@keyframes pulse{0%,100%{opacity:.85;box-shadow:0 0 20px rgba(56,189,248,.1)}50%{opacity:1;box-shadow:0 0 30px rgba(56,189,248,.25)}}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 16px}.stat-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:12px;text-align:center}.stat-number{font-size:1.3rem;font-weight:800;color:var(--secondary)}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:2px}.daily-tip{padding:4px 0 0;font-size:.65rem;line-height:1.5;color:var(--text-muted);text-align:center;opacity:.7;font-style:italic}.tip-fade-out{animation:tipOut 1s ease forwards}.tip-fade-in{animation:tipIn 1.2s ease forwards}@keyframes tipOut{from{opacity:.7}to{opacity:0}}@keyframes tipIn{from{opacity:0}to{opacity:.7}}.screen-subtitle{color:var(--text-muted);margin-bottom:20px;font-size:.9rem}.topics-grid{display:grid;grid-template-columns:1fr;gap:12px;padding-bottom:30px}.topic-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-sm);padding:18px 20px;cursor:pointer;transition:all var(--transition);border:1px solid var(--glass-border);display:flex;align-items:center;gap:14px;position:relative;overflow:hidden}.topic-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 10%,rgba(56,189,248,.2) 50%,transparent 90%)}.topic-card:hover{background:var(--bg-card-hover);border-color:var(--border-focus);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.topic-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;box-shadow:0 0 8px currentColor}.topic-info{flex:1}.topic-name{font-weight:700;font-size:1rem;margin-bottom:4px}.topic-meta{font-size:.8rem;color:var(--text-muted)}.topic-free-count{font-size:.65rem;color:var(--primary);margin-top:4px}.topic-progress-bar{width:100%;height:4px;background:var(--glass-strong);border-radius:2px;margin-top:8px;overflow:hidden}.topic-progress-fill{height:100%;border-radius:2px;transition:width .5s ease}.mastery-low{background:var(--danger);box-shadow:0 0 6px rgba(251,113,133,.3)}.mastery-mid{background:var(--warning);box-shadow:0 0 6px rgba(251,191,36,.3)}.mastery-high{background:var(--success);box-shadow:0 0 6px rgba(52,211,153,.3)}.quiz-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.quit-btn{background:0 0;border:none;color:var(--text-faint);font-family:inherit;font-size:1rem;cursor:pointer;padding:10px;min-width:44px;min-height:44px;transition:color var(--transition)}.quit-btn:hover{color:var(--danger)}.prev-btn{background:0 0;border:none;color:var(--text-faint);font-family:inherit;font-size:1rem;cursor:pointer;padding:10px;min-width:44px;min-height:44px;transition:color var(--transition)}.prev-btn:hover{color:var(--text)}.quiz-progress{flex:1;display:flex;align-items:center;gap:10px}.next-btn{background:0 0;border:none;color:var(--text-faint);font-family:inherit;font-size:1rem;cursor:pointer;padding:10px;min-width:44px;min-height:44px;transition:color var(--transition)}.next-btn:hover{color:var(--text)}.quiz-bottom-nav{display:none;justify-content:space-between;gap:16px;margin:20px auto 26px;animation:quizNavIn .35s cubic-bezier(.34,1.4,.64,1)}@keyframes quizNavIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.quiz-nav-arrow{background:rgba(56,189,248,.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-focus);color:var(--primary);font-family:inherit;font-size:1.4rem;font-weight:600;line-height:1;padding:10px 28px;border-radius:10px;cursor:pointer;transition:all .2s ease}.quiz-nav-arrow:hover{background:rgba(56,189,248,.2);border-color:var(--border-focus)}.quiz-nav-prev:hover{transform:translateX(-3px)}.quiz-nav-next{margin-left:auto}.quiz-nav-text{font-size:.85rem;font-weight:600;letter-spacing:.3px;padding:10px 24px;box-shadow:none;animation:none;background:var(--primary-25);border:1px solid var(--border-focus)}.quiz-nav-text:hover{background:var(--border-focus)}.quiz-nav-next:hover{transform:translateX(3px)}.quiz-nav-arrow:active{transform:scale(.9)}@media (min-width:601px){.quiz-floating-next{display:none!important}}.quiz-progress-bar{flex:1;height:3px;background:var(--glass-strong);border-radius:2px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--primary);border-radius:2px;transition:width .4s ease;box-shadow:0 0 8px rgba(56,189,248,.4)}.quiz-progress-text{font-size:.75rem;font-weight:500;color:var(--text-faint);min-width:36px;text-align:right;font-variant-numeric:tabular-nums}.quiz-cert-name{font-size:.6rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;text-shadow:0 0 12px rgba(56,189,248,.3)}.quiz-topic-badge{display:inline-block;padding:3px 10px;background:var(--glass);color:var(--text-muted);border:1px solid var(--glass-border);border-radius:20px;font-size:.7rem;font-weight:500;margin-bottom:12px;letter-spacing:.02em}.question-card{background:0 0;border-radius:0;padding:0;margin-bottom:12px;animation:fadeIn .25s ease}.question-text{font-size:1.05rem;font-weight:500;line-height:1.65;margin-bottom:20px;color:var(--text)}.choices{display:flex;flex-direction:column;gap:8px}.choice-btn{display:flex;align-items:flex-start;gap:12px;width:100%;padding:14px 18px;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:12px;color:var(--text);font-family:inherit;font-size:.9rem;line-height:1.5;text-align:left;cursor:pointer;transition:all var(--transition);min-height:48px}.choice-btn:hover:not(.disabled){border-color:var(--border-focus);background:var(--bg-card-hover);box-shadow:var(--shadow-glow)}.choice-letter{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:6px;background:var(--glass-strong);font-weight:600;font-size:.75rem;flex-shrink:0;color:var(--text-muted)}.choice-btn.correct{background:rgba(52,211,153,.08);border-color:rgba(52,211,153,.25);box-shadow:0 0 16px rgba(52,211,153,.1)}.choice-btn.correct .choice-letter{background:var(--success);color:#fff}.choice-btn.wrong{background:rgba(251,113,133,.08);border-color:rgba(251,113,133,.25);box-shadow:0 0 16px rgba(251,113,133,.1)}.choice-btn.wrong .choice-letter{background:var(--danger);color:#fff}.choice-btn.disabled{pointer-events:none;opacity:.5}.choice-btn.correct.disabled,.choice-btn.wrong.disabled{opacity:1}.feedback-card{border-top:1px solid var(--glass-border);padding:16px 0 0;animation:fadeIn .25s ease;scroll-margin-top:12px}.feedback-verdict{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;display:flex;align-items:center;gap:10px}.xp-popup{display:inline-block;font-size:.75rem;font-weight:800;padding:2px 8px;border-radius:12px;animation:xpSlideUp .5s ease;text-transform:none;letter-spacing:0}.xp-popup-correct{background:rgba(52,211,153,.15);color:var(--success)}.xp-popup-wrong{background:rgba(251,113,133,.15);color:var(--danger)}@keyframes xpSlideUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.signup-bonus-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(56,189,248,.25);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(56,189,248,.35);color:var(--text-on-color);padding:14px 28px;border-radius:12px;font-size:.95rem;font-weight:600;z-index:9999;opacity:0;transition:opacity .3s ease,transform .3s ease;box-shadow:0 0 30px rgba(56,189,248,.2)}.signup-bonus-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.feedback-question{display:block;font-size:.75rem;font-weight:600;color:var(--danger);margin-bottom:6px;line-height:1.4}.feedback-answer{display:block;font-size:.7rem;font-weight:700;letter-spacing:.05em;color:var(--success);margin-bottom:6px}.feedback-explanation{font-size:.85rem;line-height:1.6;color:var(--text-muted);margin-bottom:10px}.feedback-mnemonic{background:rgba(56,189,248,.05);border-left:2px solid var(--primary);border-radius:0;padding:10px 14px;margin-bottom:0;font-size:.8rem;line-height:1.5;color:var(--text-muted)}.feedback-mnemonic:empty{display:none}.quit-overlay{position:fixed;inset:0;z-index:1000;background:var(--overlay);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s ease}.quit-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);padding:28px 24px;max-width:320px;width:100%;text-align:center;box-shadow:var(--shadow-lg)}.quit-message{font-size:1.1rem;font-weight:700;margin-bottom:4px}.quit-sub{font-size:.8rem;color:var(--text-muted);margin-bottom:20px}.quit-actions{display:flex;gap:8px;justify-content:center}.replace-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;max-width:360px;width:100%;text-align:center;animation:fadeIn .2s ease;box-shadow:var(--shadow-lg)}.replace-title{font-size:1rem;font-weight:700;margin-bottom:8px}.replace-msg{font-size:.8rem;color:var(--text-muted);line-height:1.5;margin-bottom:20px}.replace-actions{display:flex;gap:8px}.replace-actions .btn{flex:1}.quit-actions .btn{flex:1}.results-container{padding:20px 0}.results-header{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:24px}.results-score{font-size:3.5rem;font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:4px;text-shadow:0 0 30px rgba(56,189,248,.2)}.results-status{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.results-detail{color:var(--text-muted);font-size:.85rem}.results-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:24px}.results-stat{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:14px 8px;text-align:center}.results-stat-num{display:block;font-size:1.3rem;font-weight:800;color:var(--text)}.results-stat-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.results-breakdown{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}.breakdown-item{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);font-size:.8rem}.breakdown-item .topic{font-weight:600}.breakdown-item .score{color:var(--text-muted);font-variant-numeric:tabular-nums}.results-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:8px}.results-top-nav{display:flex;justify-content:space-between;align-items:center}.results-home-icon{background:0 0;border:none;color:var(--text-muted);cursor:pointer;padding:8px;opacity:.5;transition:opacity .2s}.results-home-icon:hover{opacity:1}.results-actions .btn,.results-actions .pw-buy-btn{font-size:.72rem;padding:10px 6px;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:6px;min-width:0}.results-actions .btn-icon{font-size:1rem;line-height:1}@media (max-width:480px){.results-actions{grid-template-columns:1fr 1fr}.results-actions .btn{flex-direction:column;gap:4px;padding:12px 6px}.results-actions .btn-icon{font-size:1.3rem}.results-actions .btn-label{font-size:.65rem}.results-upsell{grid-column:1/-1}.results-full-access-btn{grid-column:1/-1}}.email-capture-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:16px;padding:24px;max-width:360px;width:100%;text-align:center;animation:fadeIn .2s ease;box-shadow:var(--shadow-lg)}.email-capture-modal h2{font-size:1.1rem;font-weight:700;margin-bottom:4px}.email-capture-sub{font-size:.75rem;color:var(--text-muted);margin-bottom:16px}.email-capture-modal .auth-input{margin-bottom:8px}.history-filters{display:flex;gap:8px;margin-bottom:16px}.history-filter{padding:6px 14px;border-radius:20px;border:none;background:0 0;color:var(--text-muted);font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s;opacity:.6}.history-filter:hover{opacity:1}.history-filter.active{background:rgba(56,189,248,.12);color:var(--primary);border:none;opacity:1}.history-list{display:flex;flex-direction:column;gap:10px}.history-item{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:12px;padding:14px 16px;cursor:pointer;transition:transform .2s,box-shadow .2s;border:1px solid var(--glass-border)}.history-item:active{transform:scale(.98)}.history-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.history-topic{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--primary)}.history-status{font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:10px}.history-status-mastered{background:rgba(52,211,153,.12);color:var(--success)}.history-status-learning{background:rgba(251,191,36,.12);color:var(--warning)}.history-status-struggling{background:rgba(251,113,133,.12);color:var(--danger)}.history-question{font-size:.9rem;font-weight:500;color:var(--text);line-height:1.4;margin-bottom:8px}.history-item-footer{display:flex;justify-content:space-between;align-items:center}.history-accuracy,.history-date{font-size:.75rem;color:var(--text-muted)}.history-empty{text-align:center;color:var(--text-muted);padding:40px 20px;font-size:.9rem}.history-detail-overlay{position:fixed;inset:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;z-index:9999;padding:16px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.history-detail-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border-radius:16px;padding:24px;max-width:500px;width:100%;max-height:85vh;overflow-y:auto;position:relative;border:1px solid var(--glass-border);box-shadow:var(--shadow-lg)}.history-detail-close{position:absolute;top:12px;right:16px;background:0 0;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:4px;line-height:1}.history-detail-topic{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--primary);margin-bottom:10px}.history-detail-question{font-size:1rem;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:16px}.history-detail-choices{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.history-choice{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;background:var(--glass);font-size:.85rem;color:var(--text-muted);border:1px solid var(--glass-border)}.history-choice-correct{background:rgba(52,211,153,.1);color:var(--success);border-color:rgba(52,211,153,.25);font-weight:600}.history-choice .choice-letter{min-width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:6px;font-size:.75rem;font-weight:700;background:var(--glass-strong)}.history-choice-correct .choice-letter{background:var(--success);color:var(--text-on-color)}.history-detail-explanation{font-size:.85rem;color:var(--text-muted);line-height:1.6;margin-bottom:12px;padding:12px;background:var(--glass);border:1px solid var(--glass-border);border-radius:10px}.history-detail-mnemonic{font-size:.8rem;color:var(--primary-text);padding:10px 12px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.15);border-radius:10px;margin-bottom:12px;line-height:1.5}.history-detail-stats{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);padding-top:12px;border-top:1px solid var(--glass-border)}.fc-top-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}.fc-top-row h2{flex:1;text-align:center}.fc-top-spacer{width:52px;flex-shrink:0}.flashcard{perspective:1000px;width:100%;height:310px;cursor:pointer;margin:10px 0}@media (max-width:600px){.flashcard{height:50vh}.flashcard-back,.flashcard-front{font-size:.95rem}.fc-back-label,.fc-front-label{padding:16px 20px 0}.fc-content{padding:12px 20px 20px}}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-back,.flashcard-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--radius);font-size:1.1rem;line-height:1.6;text-align:center;display:flex;flex-direction:column}.fc-back-label,.fc-front-label{flex-shrink:0;padding:20px 30px 0}.fc-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px 30px 30px;overflow-y:auto}.flashcard-front{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:2px solid var(--border-focus);font-weight:600;box-shadow:var(--shadow-glow)}.flashcard-back{background:rgba(56,189,248,.08);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:2px solid var(--primary);transform:rotateY(180deg);color:var(--text);box-shadow:0 0 30px rgba(56,189,248,.15)}.fc-question{font-weight:600;font-size:.9rem;line-height:1.5}.fc-front-label{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);opacity:.5}.fc-back-label{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);opacity:.5}.fc-answer{font-weight:700;font-size:1rem;color:var(--success)}.fc-explanation{font-size:.8rem;color:var(--text-muted);line-height:1.5;margin-top:10px}.fc-section-header{display:flex;justify-content:space-between;align-items:center;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:10px;padding:12px 16px;margin-bottom:10px;cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none}.fc-section-name{font-size:.8rem;font-weight:700;color:var(--text)}.fc-section-count{font-size:.65rem;font-weight:600;color:var(--text-muted)}.fc-section-right{display:flex;align-items:center;gap:6px}.flashcard-counter{text-align:center;font-size:.75rem;color:var(--text-muted);margin-bottom:8px;letter-spacing:.05em}.fc-paywall{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;position:relative;overflow:hidden;animation:fcPaywallIn .6s ease}@keyframes fcPaywallIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.fc-paywall-glow{position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:300px;height:300px;background:radial-gradient(circle,rgba(56,189,248,.12) 0,transparent 70%);pointer-events:none}.fc-paywall-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center}.fc-paywall-icon{font-size:2.5rem;margin-bottom:16px}.fc-paywall-title{font-size:1.1rem;font-weight:800;margin-bottom:8px;color:var(--text)}.fc-paywall-desc{font-size:.85rem;color:var(--text-muted);line-height:1.5;margin-bottom:24px;max-width:320px}.fc-paywall-btn{width:100%;max-width:280px;margin-bottom:10px}.fc-paywall-back{width:100%;max-width:280px;font-size:.8rem}.flashcard-actions{display:flex;gap:10px;justify-content:center;margin-bottom:4px}.results-full-access-btn{display:flex;align-items:center;justify-content:center;padding:12px 6px;font-size:.85rem;white-space:nowrap;box-sizing:border-box;margin:0;width:100%}.results-upsell{text-align:center;padding:16px 12px;background:rgba(56,189,248,.04);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.12);border-radius:var(--radius-sm)}.results-upsell-xp{font-size:.75rem;color:var(--text-muted);margin-bottom:10px}.results-upsell-guarantee{font-size:.68rem;color:var(--success);margin-top:8px}.fc-btn-quiz{padding:8px 16px;font-size:.7rem;font-weight:700;color:var(--primary-text);background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.15);border-radius:20px;cursor:pointer;transition:all .2s ease}.fc-btn-quiz:hover{background:rgba(56,189,248,.15);border-color:var(--border-focus)}.fc-btn{padding:12px 28px;border-radius:10px;font-size:.8rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition);border:none}.fc-btn-arrow{background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);color:var(--text-muted);font-size:1.8rem;font-weight:800;padding:8px 24px;line-height:1;transition:all .2s ease}.fc-btn-arrow:hover{border-color:var(--border-focus);color:var(--primary);box-shadow:var(--shadow-glow)}.fc-btn-arrow:active{transform:scale(.9)}.fc-btn-arrow:first-child:hover{transform:translateX(-3px)}.fc-btn-arrow:last-child:hover{transform:translateX(3px)}.fc-dropdown{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:10px;margin-bottom:10px;overflow:hidden}.fc-dropdown-list{max-height:200px;overflow-y:auto}.fc-section-chevron{transition:transform .2s}.equipped-badge-icon{font-size:.9rem;line-height:1}.shop-hero{text-align:center;padding:24px 20px 20px;margin-bottom:20px;background:rgba(56,189,248,.04);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(56,189,248,.1);border-radius:var(--radius);position:relative;overflow:hidden}.shop-hero::after{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}.shop-hero-label{font-size:.6rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}.shop-hero-amount{font-size:2.2rem;font-weight:900;color:var(--text);letter-spacing:-.02em}.shop-hero-xp{font-size:1rem;font-weight:700;color:var(--primary);opacity:.5}.shop-hero-boost{font-size:.65rem;color:var(--primary);margin-top:6px;font-weight:600}.shop-section{margin-bottom:22px}.shop-section-header{display:flex;align-items:center;gap:6px;margin-bottom:10px;font-size:.7rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.shop-section-header svg{color:var(--primary);opacity:.5}.shop-boost-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.shop-boost-card{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:18px 10px 14px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;font-family:inherit;color:var(--text);transition:all var(--transition);position:relative}.shop-boost-card:hover{border-color:var(--border-focus);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.shop-boost-best{border-color:rgba(56,189,248,.2);background:rgba(56,189,248,.04)}.shop-boost-tag{position:absolute;top:-8px;font-size:.45rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--gradient-accent);color:var(--text-on-color);padding:2px 8px;border-radius:4px}.shop-boost-duration{font-size:.65rem;font-weight:600;color:var(--text-muted)}.shop-boost-multi{font-size:1.3rem;font-weight:900;color:var(--primary);line-height:1;text-shadow:0 0 12px rgba(56,189,248,.3)}.shop-boost-divider{width:20px;height:1px;background:var(--glass-border);margin:2px 0}.shop-boost-price{font-size:.65rem;font-weight:600;color:var(--text-muted)}.shop-boost-price::after{content:' XP';opacity:.5}.shop-topics-grid{display:flex;flex-direction:column;gap:6px}.shop-topic-card{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;color:var(--text);transition:all .2s ease;text-align:left;width:100%}.shop-topic-card:hover:not(.shop-topic-done):not(.shop-item-disabled){border-color:var(--border-focus);background:var(--bg-card-hover)}.shop-topic-card.shop-topic-done{opacity:.5;cursor:default}.shop-topic-card.shop-item-disabled{opacity:.4;cursor:default}.shop-topic-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.shop-topic-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.shop-topic-name{font-size:.8rem;font-weight:600;color:var(--primary-text)}.shop-topic-progress{font-size:.68rem;color:var(--text-muted)}.shop-topic-cost{font-size:.68rem;font-weight:600;color:var(--primary);white-space:nowrap;flex-shrink:0}.shop-question-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.shop-q-btn{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:14px 8px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;font-family:inherit;color:var(--text);transition:all var(--transition)}.shop-q-btn:hover{border-color:var(--border-focus);background:var(--bg-card-hover);transform:translateY(-2px)}.shop-q-qty{font-size:1rem;font-weight:800}.shop-q-label{font-size:.5rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.shop-q-cost{font-size:.6rem;color:var(--primary);font-weight:700}.shop-q-cost::after{content:' XP';opacity:.5}.shop-item-disabled{opacity:.3;pointer-events:none;filter:grayscale(.5)}.shop-referral-card{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;margin-bottom:14px;background:rgba(56,189,248,.04);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid rgba(56,189,248,.12);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.shop-referral-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.2),transparent)}.shop-referral-card::after{display:none}.shop-referral-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.referral-left{display:flex;flex-direction:column;gap:3px}.referral-title{font-size:.85rem;font-weight:700;color:var(--text)}.referral-desc{font-size:.6rem;color:var(--text-muted);line-height:1.3}.referral-reward{font-size:1rem;font-weight:800;color:var(--primary);white-space:nowrap;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.shop-share-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.shop-share-btn{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:8px;padding:12px 8px;min-height:44px;font-family:inherit;color:var(--text-muted);cursor:pointer;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}.share-icon{font-size:.85rem;font-weight:800;color:var(--text);opacity:.6}.share-name{font-size:.55rem;font-weight:600;color:var(--text-muted)}.share-reward{font-size:.55rem;font-weight:700;color:var(--primary)}.shop-share-btn:hover{border-color:var(--border-focus);background:var(--bg-card-hover);transform:translateY(-1px)}.shop-share-btn:hover .share-icon{opacity:1;color:var(--primary)}.boost-badge{display:flex;align-items:center;gap:4px;font-size:.7rem;font-weight:700;color:var(--primary);cursor:pointer}.badge-shop-grid{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:10px;max-height:72px;overflow:hidden;transition:max-height .4s ease}.badge-shop-grid.badge-grid-expanded{max-height:600px}.badge-toggle{display:block;margin:4px auto 0;background:0 0;border:none;color:var(--primary);font-size:.65rem;font-weight:600;font-family:inherit;cursor:pointer;opacity:.6;transition:opacity var(--transition);letter-spacing:.03em}.badge-toggle:hover{opacity:1}.badge-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:8px;padding:6px 8px;text-align:center;display:flex;align-items:center;gap:5px;transition:all var(--transition);flex-shrink:0}.badge-card:hover{background:var(--bg-card-hover)}.badge-card-icon{font-size:1rem;line-height:1}.badge-card-name{font-size:.6rem;font-weight:600;color:var(--text-muted)}.badge-action{display:inline-block;padding:2px 6px;border:none;border-radius:6px;font-family:inherit;font-size:.65rem;font-weight:600;cursor:pointer;transition:all var(--transition);margin-top:4px}.badge-action-buy{background:rgba(56,189,248,.2);border:1px solid rgba(56,189,248,.3);color:#fff}.badge-action-buy:hover{opacity:.85}.badge-action-equip{background:var(--primary-15);color:var(--secondary);border:1px solid var(--border-focus)}.badge-action-equip:hover{background:var(--primary-25)}.badge-action-equipped{background:var(--primary-15);color:var(--primary);border:1px solid var(--border-focus);cursor:pointer}.badge-action-cost{background:0 0;color:var(--text-muted);font-size:.65rem;cursor:default;opacity:.6}.badge-card.badge-owned{border-color:rgba(52,211,153,.18)}.badge-card.badge-equipped{border-color:var(--border-focus);box-shadow:0 0 16px rgba(56,189,248,.12)}.badge-card.badge-locked{opacity:.6}.mode-card-shop{border-color:var(--primary-15)}@media (max-width:400px){.badge-shop-grid{grid-template-columns:repeat(3,1fr);gap:6px}.badge-card{padding:12px 4px 10px}.badge-card-icon{font-size:1.6rem}}.lb-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--glass-border)}.lb-row.lb-top{background:rgba(56,189,248,.04)}.lb-rank{font-size:.8rem;font-weight:800;color:var(--text-muted);min-width:24px}.lb-top .lb-rank{color:var(--primary)}.lb-badge{font-size:1rem;min-width:20px;text-align:center}.lb-name{flex:1;font-size:.85rem;font-weight:600}.lb-xp{font-size:.75rem;color:var(--warning);font-weight:600}#confetti-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:999}@media (min-width:600px){.quick-actions{display:grid;grid-template-columns:1fr 1fr}.topics-grid{grid-template-columns:1fr 1fr}}@media (min-width:900px){.home-logo{font-size:2.8rem}.screen{padding:30px}.home-grid{grid-template-columns:repeat(4,1fr)}.home-hero{padding:4px 0 8px}.home-tagline{margin-bottom:2px}.topic-graph{gap:14.75px}.topic-row{padding:7.6px 10px}}@media (max-width:600px){.fc-paywall-glow,.shop-referral-card::after,.sign-in-prompt::after,.unlock-banner::after{display:none}.pulse{animation:none}.badge-card,.choice-btn,.earn-btn,.history-item,.home-card,.shop-share-btn,.shop-topic-card,.topic-card{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}}.shortcut-hint{display:none}@media (hover:hover){.shortcut-hint{display:inline;font-size:.75rem;color:var(--text-muted);margin-left:6px;opacity:.6}}@keyframes bounceIn{0%{transform:scale(.85);opacity:0}60%{transform:scale(1.02)}100%{transform:scale(1);opacity:1}}.bounce-in{animation:bounceIn .5s ease}@keyframes shake{0%,100%{transform:translateX(0)}10%,30%,50%,70%,90%{transform:translateX(-4px)}20%,40%,60%,80%{transform:translateX(4px)}}.shake{animation:shake .5s ease}@keyframes geoRotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes borderGlow{0%,100%{border-color:rgba(56,189,248,.15)}50%{border-color:rgba(56,189,248,.35)}}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.pass-color{color:var(--success)}.fail-color{color:var(--danger)}.sign-in-btn{background:rgba(56,189,248,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(56,189,248,.3);color:var(--text-on-color);font-family:inherit;font-size:.75rem;font-weight:700;padding:6px 14px;border-radius:20px;cursor:pointer;transition:all var(--transition);white-space:nowrap}.sign-in-btn:hover{background:rgba(56,189,248,.3);box-shadow:0 0 16px rgba(56,189,248,.2)}.user-menu-wrapper{position:relative}.user-avatar-btn{display:flex;align-items:center;gap:8px;background:0 0;border:none;cursor:pointer;padding:2px;border-radius:20px;transition:opacity var(--transition)}.user-avatar-btn:hover{opacity:.85}.user-badge-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(56,189,248,.08);border:2px solid rgba(56,189,248,.2);font-size:1.1rem;line-height:1;box-shadow:0 0 12px rgba(56,189,248,.1);transition:all var(--transition)}.user-badge-icon:hover{border-color:rgba(56,189,248,.5);box-shadow:0 0 24px rgba(56,189,248,.2);transform:scale(1.08)}.user-badge-initials{font-size:.7rem;font-weight:700;color:var(--primary)}.user-name{color:var(--text);font-size:.8rem;font-weight:600;max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:480px){.user-name{display:none}}.user-menu{position:absolute;top:100%;right:0;margin-top:8px;background:rgba(18,22,32,.9);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:4px;min-width:130px;box-shadow:var(--shadow-lg);z-index:200;animation:fadeIn .15s ease}.user-menu-item{display:block;width:100%;background:0 0;border:none;color:var(--text-muted);font-family:inherit;font-size:.8rem;font-weight:500;padding:8px 12px;border-radius:6px;cursor:pointer;text-align:left;transition:all var(--transition)}.user-menu-item:hover{background:var(--glass-strong);color:var(--text)}.auth-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;max-width:360px;width:100%;animation:fadeIn .2s ease;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.auth-modal::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}.auth-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.auth-header h2{font-size:1.1rem;font-weight:700;margin:0}.auth-close{background:0 0;border:none;color:var(--text-faint);font-size:1rem;cursor:pointer;padding:10px;min-width:44px;min-height:44px;transition:color var(--transition)}.auth-close:hover{color:var(--text)}#google-btn-container{display:flex;justify-content:center}.auth-divider{text-align:center;margin:16px 0;position:relative}.auth-divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--glass-border)}.auth-divider span{position:relative;background:rgba(18,22,32,.9);padding:0 12px;font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.auth-input{width:100%;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:8px;color:var(--text);font-family:inherit;font-size:.85rem;padding:10px 12px;margin-bottom:8px;transition:border-color var(--transition)}.auth-input:focus{outline:0;border-color:var(--border-focus);box-shadow:0 0 12px rgba(56,189,248,.1)}.auth-input::placeholder{color:var(--text-faint)}.auth-submit{width:100%;padding:11px;margin-top:4px;background:rgba(56,189,248,.2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.3);color:#fff;font-family:inherit;font-size:.85rem;font-weight:700;border-radius:8px;cursor:pointer;transition:all var(--transition)}.auth-submit:hover{background:rgba(56,189,248,.3);box-shadow:0 0 16px rgba(56,189,248,.2)}.auth-toggle{text-align:center;margin-top:14px;font-size:.75rem;color:var(--text-muted)}.auth-toggle-btn{background:0 0;border:none;color:var(--primary);font-family:inherit;font-size:.75rem;font-weight:600;cursor:pointer;padding:0;margin-left:4px}.auth-toggle-btn:hover{text-decoration:underline}.auth-status{margin-top:10px;font-size:.8rem;text-align:center}.auth-status.success{color:var(--success)}.auth-status.error{color:var(--danger)}.dev-toggle{margin-top:12px}.dev-toggle-btn{background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:20px;color:var(--text-muted);font-family:inherit;font-size:.7rem;font-weight:600;padding:6px 14px;cursor:pointer;transition:all var(--transition)}.dev-toggle-btn:hover{border-color:var(--border-focus);color:var(--text)}.pro-badge{display:flex;align-items:center;gap:4px;padding:5px 12px;background:rgba(56,189,248,.15);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(56,189,248,.25);border-radius:20px;font-size:.7rem;font-weight:600;color:var(--text-on-color);box-shadow:0 0 16px rgba(56,189,248,.15)}.paywall-overlay{position:fixed;inset:0;z-index:1000;background:var(--overlay-heavy);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s ease}.pw-modal{background:var(--bg-card);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border:1px solid var(--glass-border);border-radius:var(--radius);max-width:400px;width:100%;position:relative;overflow:hidden;animation:fadeIn .2s ease;box-shadow:var(--shadow-lg)}.pw-modal::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);z-index:1}.pw-close{position:absolute;top:10px;right:10px;background:0 0;border:none;color:var(--text-faint);font-size:1rem;cursor:pointer;padding:10px;min-width:44px;min-height:44px;z-index:1;transition:color var(--transition)}.pw-close:hover{color:var(--text)}.pw-header{padding:24px 40px 0 24px}.pw-subtitle{font-size:.7rem;color:var(--text-muted);margin-bottom:4px}.pw-header h2{font-size:1.2rem;font-weight:800;margin:0}.pw-deal{padding:10px 20px;background:rgba(251,113,133,.06)}.pw-deal-text{font-size:.7rem;font-weight:700;color:var(--danger);text-align:center;display:block}.pw-original{font-size:.85rem;color:var(--text-muted);text-decoration:line-through;opacity:.5;margin-right:6px}.pw-price-row{display:flex;flex-direction:column;gap:14px;padding:14px 24px;border-bottom:1px solid var(--glass-border)}.pw-pricing-tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.pw-tier{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 10px 14px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:2px solid var(--glass-border);border-radius:12px;cursor:pointer;transition:all .2s ease;font-family:inherit;text-align:center;color:var(--text)}.pw-tier:hover{border-color:var(--border);background:var(--glass-strong)}.pw-tier-selected{border-color:var(--primary);background:rgba(56,189,248,.06);box-shadow:0 0 0 1px var(--primary),0 0 20px rgba(56,189,248,.1)}.pw-tier-badge{position:absolute;top:-9px;font-size:.5rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;background:var(--primary);color:#fff;padding:2px 10px;border-radius:4px}.pw-tier-name{font-size:.75rem;font-weight:700}.pw-tier-price{font-size:1.5rem;font-weight:900}.pw-tier-desc{font-size:.6rem;color:var(--text-muted)}.pw-tier-save{font-size:.55rem;font-weight:700;color:var(--success);background:rgba(52,211,153,.1);padding:2px 8px;border-radius:4px}.pw-tier-popular{border-color:var(--primary)}.pw-price{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap}.pw-amount{font-size:2rem;font-weight:900;color:var(--text)}.pw-period{font-size:.7rem;color:var(--text-muted)}.pw-buy-btn{display:inline-block;padding:12px 28px;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--text);border:1px solid var(--glass-border);font-family:inherit;font-size:.85rem;font-weight:800;letter-spacing:.02em;border-radius:10px;text-decoration:none;transition:all .2s ease;white-space:nowrap}.pw-buy-btn:hover{transform:translateY(-1px);border-color:var(--border-focus);box-shadow:var(--shadow-glow)}.pw-features{padding:12px 24px 8px;display:flex;flex-direction:column;gap:10px}.pw-feature{display:flex;align-items:center;gap:12px}.pw-feature-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;flex-shrink:0}.pw-icon-questions{background:rgba(56,189,248,.1);color:var(--primary)}.pw-icon-mock{background:rgba(56,189,248,.1);color:var(--primary)}.pw-icon-target{background:rgba(245,158,11,.12);color:#fbbf24}.pw-icon-save{background:rgba(52,211,153,.1);color:var(--success)}.pw-feature-title{display:block;font-size:.8rem;font-weight:600}.pw-feature-desc{display:block;font-size:.68rem;color:var(--text-muted)}.pw-feature-item{display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--text)}.pw-check{flex-shrink:0}.pw-guarantee{text-align:center;padding:10px 20px;font-size:.72rem;font-weight:600;color:var(--success)}.pw-compare{text-align:center;padding:0 20px 12px;font-size:.68rem;color:var(--text-muted);font-style:italic}.pw-bundles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:16px 20px;border-bottom:1px solid var(--glass-border)}.pw-bundle{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;padding:14px 10px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px;position:relative}.pw-bundle-popular{border-color:var(--border-focus);background:rgba(56,189,248,.05)}.pw-bundle-tag{position:absolute;top:-8px;font-size:.5rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--primary);color:#fff;padding:2px 8px;border-radius:4px}.pw-bundle-name{font-size:.8rem;font-weight:700;color:var(--text);margin-top:4px}.pw-bundle-desc{font-size:.6rem;color:var(--text-muted)}.pw-bundle-price{font-size:1.3rem;font-weight:900;color:var(--text);margin:4px 0}.pw-bundle-save{font-size:.55rem;font-weight:600;color:var(--success);background:rgba(52,211,153,.1);padding:2px 6px;border-radius:4px}.pw-bundle-btn{display:block;width:100%;padding:8px;margin-top:6px;background:rgba(56,189,248,.2);border:1px solid rgba(56,189,248,.3);color:#fff;text-decoration:none;font-family:inherit;font-size:.7rem;font-weight:700;border-radius:6px;text-align:center;transition:all var(--transition)}.pw-bundle-btn:hover{background:rgba(56,189,248,.3);box-shadow:0 0 12px rgba(56,189,248,.15)}.pw-includes{display:flex;justify-content:center;gap:6px;padding:12px 20px;border-bottom:1px solid var(--glass-border)}.pw-includes-item{font-size:.65rem;color:var(--text-muted)}.pw-includes-sep{color:var(--glass-border);font-size:.65rem}.pw-includes-highlight{color:var(--warning);font-weight:700}.pw-signin-prompt{text-align:center;padding:16px 24px;border-top:1px solid var(--glass-border)}.pw-signin-text{font-size:.75rem;color:var(--text-muted);margin-bottom:10px}.pw-signin-btn{background:rgba(56,189,248,.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-focus);color:var(--primary);font-size:.8rem;font-weight:600;padding:10px 24px;border-radius:10px;cursor:pointer;transition:all .2s;font-family:inherit}.pw-signin-btn:hover{background:rgba(56,189,248,.2)}.pw-skip{display:block;width:100%;padding:12px;background:0 0;border:none;border-top:1px solid var(--glass-border);color:var(--text-muted);font-family:inherit;font-size:.7rem;cursor:pointer;transition:color var(--transition)}.pw-skip:hover{color:var(--text)}.topic-card.locked{opacity:.6}.topic-card.locked::after{content:'🔒';font-size:1.2rem;margin-left:auto}.chat-widget{position:fixed;bottom:24px;right:24px;z-index:999}.chat-toggle{width:48px;height:48px;border-radius:10px;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));color:var(--text-muted);border:1px solid var(--glass-border);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:none;transition:all .2s ease}.chat-toggle:hover{background:var(--bg-card-hover);border-color:var(--border);color:var(--text);transform:translateY(-2px)}.chat-toggle:active{transform:scale(.95)}.chat-window{position:fixed;bottom:86px;right:24px;width:380px;height:520px;max-height:calc(100vh - 110px);background:0 0;backdrop-filter:none;-webkit-backdrop-filter:none;border:none;border-radius:14px;box-shadow:none;display:flex;flex-direction:column;overflow:hidden;overscroll-behavior:contain;animation:chatUp .25s ease-out;position:relative}.chat-window::before{display:none}@keyframes chatUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes chatDown{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(16px)}}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:rgba(10,13,20,.8);border-bottom:1px solid var(--glass-border);flex-shrink:0}.chat-header-info{display:flex;align-items:center;gap:10px}.chat-avatar{width:30px;height:30px;border-radius:8px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.2);display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:800;color:var(--primary)}.chat-title{font-size:.82rem;font-weight:700;color:var(--text)}.chat-subtitle{font-size:.62rem;color:var(--text-muted)}.chat-header-actions{display:flex;align-items:center;gap:2px}.chat-clear-btn,.chat-close{background:0 0;border:none;color:var(--text-faint);cursor:pointer;padding:6px;border-radius:6px;transition:all .15s}.chat-clear-btn:hover,.chat-close:hover{background:var(--glass-strong);color:var(--text-muted)}.chat-body{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:14px;display:flex;flex-direction:column;gap:10px;background:rgba(10,13,20,.4)}.chat-msg{display:flex;flex-direction:column;max-width:85%}.chat-msg.user{align-self:flex-end}.chat-msg.admin,.chat-msg.bot{align-self:flex-start}.chat-bubble{padding:10px 14px;border-radius:12px;font-size:.82rem;line-height:1.55;word-wrap:break-word}.chat-msg.user .chat-bubble{background:rgba(56,189,248,.2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.25);color:#fff;border-bottom-right-radius:4px}.chat-msg.bot .chat-bubble{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--text);border:1px solid var(--glass-border);border-bottom-left-radius:4px}.chat-msg.admin .chat-bubble{background:rgba(52,211,153,.06);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text);border-bottom-left-radius:4px;border-left:2px solid var(--success);border:1px solid rgba(52,211,153,.15);border-left:2px solid var(--success)}.chat-typing{display:flex;gap:4px;align-items:center;padding:12px 18px}.chat-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-faint);animation:chatDot 1.4s infinite ease-in-out}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes chatDot{0%,100%,80%{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.chat-feedback{display:flex;gap:4px;margin-top:4px}.chat-fb-btn{background:0 0;border:none;cursor:pointer;padding:3px 6px;color:var(--text-faint);border-radius:6px;transition:all .15s}.chat-fb-btn:hover{background:var(--glass-strong);color:var(--text-muted)}.chat-fb-done{font-size:.65rem;color:var(--text-faint);padding:3px 6px}.chat-suggestions-wrap{display:flex;align-items:center;flex-shrink:0;border-top:1px solid var(--glass-border);background:0 0}.chat-arrow{flex-shrink:0;width:28px;height:36px;display:flex;align-items:center;justify-content:center;background:0 0;border:none;color:var(--text-faint);cursor:pointer;transition:color .15s}.chat-arrow:hover{color:var(--primary)}.chat-arrow-left{border-right:1px solid var(--glass-border)}.chat-arrow-right{border-left:1px solid var(--glass-border)}.chat-suggestions{display:flex;align-items:center;gap:6px;padding:8px 6px;flex:1;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.chat-suggestions::-webkit-scrollbar{display:none}.chat-suggestion-btn{flex-shrink:0;white-space:nowrap;background:var(--bg-card);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:6px;padding:8px 12px;font-size:.68rem;font-family:inherit;color:var(--primary-text);cursor:pointer;transition:all .15s}.chat-suggestion-btn:hover{background:rgba(56,189,248,.1);border-color:var(--border-focus)}.chat-input-row{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid rgba(255,255,255,.04);flex-shrink:0;background:0 0}.chat-input{flex:1;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:10px;padding:9px 14px;font-size:.88rem;font-family:inherit;color:var(--text);outline:0;transition:border-color .2s}.chat-input:focus{border-color:var(--border-focus);box-shadow:0 0 12px rgba(56,189,248,.1)}.chat-input::placeholder{color:var(--text-faint)}.chat-send{width:34px;height:34px;border-radius:10px;background:rgba(56,189,248,.15);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(56,189,248,.3);color:var(--primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s;box-shadow:0 0 12px rgba(56,189,248,.1)}.chat-send:hover{background:rgba(56,189,248,.25);box-shadow:0 0 20px rgba(56,189,248,.25);border-color:rgba(56,189,248,.5);color:#fff}.chat-send:active{transform:scale(.94)}.chat-input:disabled{opacity:.5;cursor:not-allowed}.chat-limit-cta{display:flex;flex-direction:column;gap:8px;padding:12px 16px;margin:4px 0}.chat-cta-btn{width:100%;padding:10px 16px;border:none;border-radius:10px;font-size:.82rem;font-family:inherit;font-weight:600;cursor:pointer;transition:all .15s;text-align:center}.chat-cta-signup{background:rgba(56,189,248,.2);border:1px solid rgba(56,189,248,.3);color:#fff}.chat-cta-signup:hover{background:rgba(56,189,248,.3)}.chat-cta-pro{background:linear-gradient(135deg,rgba(245,158,11,.25),rgba(217,119,6,.25));border:1px solid rgba(245,158,11,.3);color:#fff}.chat-cta-pro:hover{filter:brightness(1.1)}@media (max-width:600px){.chat-widget{bottom:16px;right:16px}.chat-toggle{width:46px;height:46px}.chat-window{inset:0;width:100%;height:100%;max-height:none;border-radius:0;bottom:0;right:0}}.consent-banner{position:fixed;bottom:0;left:0;right:0;z-index:1001;background:rgba(10,13,20,.8);backdrop-filter:blur(var(--glass-blur-strong));-webkit-backdrop-filter:blur(var(--glass-blur-strong));border-top:1px solid var(--border-focus);padding:16px 20px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;box-shadow:0 -4px 24px rgba(0,0,0,.3)}.consent-text{flex:1;min-width:240px}.consent-text p{font-size:.82rem;line-height:1.5;color:var(--text-muted);margin:0}.consent-text a{color:var(--primary-text);text-decoration:underline}.consent-actions{display:flex;gap:8px;flex-shrink:0}#site-footer{text-align:center;padding:40px 20px 32px;margin-top:60px;border-top:1px solid var(--glass-border);position:relative}#site-footer::before{content:'';position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.15),transparent)}#site-footer .disclaimer{font-size:.65rem;color:var(--text-muted);line-height:1.7;max-width:480px;margin:0 auto 16px;letter-spacing:.01em}#site-footer .footer-links{font-size:.75rem;margin-bottom:10px;letter-spacing:.02em}#site-footer .footer-links a{color:var(--text-muted);text-decoration:none;transition:color var(--transition)}#site-footer .footer-links a:hover{color:var(--primary-text)}.footer-sep{color:var(--text-faint)}.copyright{font-size:.65rem;color:var(--text-faint)}.fc-section-header{cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none}.fc-section-right{display:flex;align-items:center;gap:6px}.home-card-primary{animation:borderGlow 4s ease-in-out infinite}.home-section-label::before{content:'';display:inline-block;width:6px;height:6px;background:var(--primary);transform:rotate(45deg);margin-right:8px;vertical-align:middle;opacity:.5;box-shadow:0 0 6px rgba(56,189,248,.4)}.readiness-label::before{content:'';display:inline-block;width:8px;height:8px;clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%);background:var(--primary);margin-right:8px;vertical-align:middle;box-shadow:0 0 8px rgba(56,189,248,.4)}@keyframes scanLine{0%{top:-10%}100%{top:110%}}