@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.app-layout{display:flex;flex-direction:column;min-height:100vh}.app-header{background:#0f172acc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;height:64px;display:flex;align-items:center}.header-content{width:100%;max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;position:relative;height:100%;min-width:0;gap:.5rem}@media(max-width:1023px){.header-content{padding:0 1.25rem;justify-content:center}}.brand-logo{display:flex;align-items:center;gap:.75rem;z-index:10;transition:opacity .2s;flex-shrink:0}.brand-logo.hidden{opacity:0;pointer-events:none}.header-logo-img{height:64px;width:auto}.brand-container{display:flex;flex-direction:column;line-height:1.1}.brand-text-main{font-weight:700;font-size:1.25rem;letter-spacing:-.025em;background:linear-gradient(135deg,var(--brand-primary),var(--brand-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.brand-text-sub{font-size:.7rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}@media(min-width:1024px){.brand-container{margin-left:1.25rem}}@media(min-width:1024px)and (max-width:1680px){.header-content{padding:0 1rem}.header-logo-img{height:44px}.desktop-menu-items{gap:1rem}.nav-link{font-size:.9rem}.user-section{gap:.65rem;padding-left:1rem}.profile-link{padding:.35rem .55rem;gap:.5rem}.profile-name{max-width:10rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{padding:.35rem .55rem;font-size:.85rem}}.mobile-menu-toggle{display:none;background:transparent;border:none;color:var(--text-primary);cursor:pointer;z-index:100;padding:.5rem;position:absolute;right:1.5rem}.main-nav{display:flex;align-items:center}@media(min-width:1024px){.main-nav{flex:1 1 auto;min-width:0;justify-content:flex-end}}.desktop-menu-items{display:flex;align-items:center;gap:1.5rem;min-width:0;flex:0 1 auto}.nav-link{color:var(--text-secondary);font-weight:500;transition:var(--transition-fast);font-size:.95rem}.nav-link:hover{color:var(--text-primary)}.user-section{display:flex;align-items:center;gap:1rem;padding-left:1.5rem;border-left:1px solid var(--border-color);min-width:0}.profile-link{display:flex;align-items:center;gap:.75rem;padding:.4rem .75rem;border-radius:var(--radius-md);transition:var(--transition-fast);min-width:0}.profile-link:hover{background:#ffffff0d}.profile-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 15px #6366f14d}.profile-name{font-weight:600;font-size:.95rem}.logout-btn{background:transparent;color:var(--text-secondary);font-size:.9rem;font-weight:500;padding:.4rem .75rem;border:1px solid transparent}.logout-btn:hover{color:#ef4444}.install-pwa-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.42rem .8rem;border-radius:9999px;border:1px solid rgba(56,189,248,.42);background:#3b82f61f;color:var(--text-primary);cursor:pointer;font-weight:500;font-size:.8125rem;font-family:inherit;flex:0 1 auto;min-width:0;max-width:11rem;transition:border-color var(--transition-fast),background-color var(--transition-fast)}.install-pwa-btn:hover{border-color:#38bdf8a6;background:#3b82f633}.install-pwa-icon{flex-shrink:0}.install-pwa-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}@media(min-width:1024px)and (max-width:1680px){.install-pwa-btn{max-width:8.5rem;padding:.38rem .55rem;font-size:.75rem;gap:.35rem}}@media(min-width:1024px)and (max-width:1240px){.install-pwa-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border-width:0}.install-pwa-btn{max-width:none;padding:.45rem}}.mobile-only-menu-items{display:none}@media(max-width:1023px){.mobile-menu-toggle{display:flex}.desktop-menu-items{display:none}.main-nav.mobile-open{position:fixed;inset:0;background-color:var(--bg-primary);z-index:9999;display:flex;flex-direction:column;width:100%;height:100vh;animation:slideIn .3s ease-out}.main-nav.mobile-open .mobile-only-menu-items{display:flex;flex-direction:column;width:100%;height:100%}.mobile-menu-header{height:65px;width:100%;display:flex;align-items:center;justify-content:center;padding:0 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);background:var(--bg-secondary);position:relative;flex-shrink:0}.mobile-user-avatar{position:absolute;left:1.5rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center}.mobile-user-avatar .profile-icon{width:40px;height:40px}.mobile-username{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.mobile-close-btn{position:absolute;right:1.5rem;top:50%;transform:translateY(-50%);background:transparent;color:var(--text-primary);padding:.5rem;display:flex}.mobile-menu-body{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2rem;width:100%;padding:2rem}.mobile-nav-link{font-size:1.5rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:.75rem;padding:1rem;width:100%;justify-content:center;transition:var(--transition-fast)}.mobile-logout-btn{font-size:1.5rem;font-weight:600;color:#ef4444;background:transparent;display:flex;align-items:center;gap:.75rem;padding:1rem;width:100%;justify-content:center}.main-nav.mobile-open .mobile-guest-container{display:flex;flex-direction:column;width:100%;height:100%;align-items:center;justify-content:center;gap:2rem;position:relative}.mobile-guest-close{position:absolute;top:1.5rem;right:1.5rem;background:transparent;color:var(--text-primary);padding:.5rem;display:flex}}@keyframes slideIn{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.app-main{flex:1}#root{width:100%;margin:0;padding:0;text-align:center;isolation:isolate}.home-container{position:relative;width:100%;min-height:calc(100vh - 64px);flex:1;display:flex;flex-direction:column;background:radial-gradient(circle at 50% 40%,#1e293b,#0f172a);overflow-y:auto;overflow-x:hidden;box-sizing:border-box}.home-content-wrapper{padding:0;gap:0;display:flex;flex-direction:column;align-items:center;justify-content:space-between;width:100%;min-height:100%;flex:1;box-sizing:border-box}.hero-section{text-align:center;padding:clamp(1rem,2.5vh,2.5rem) 1.5rem;flex:1;width:100%;max-width:960px;margin:0 auto;display:flex;flex-direction:column;justify-content:center;align-items:center;box-sizing:border-box;position:relative;gap:clamp(.75rem,2vh,1.5rem)}.hero-logo{display:flex;align-items:center;justify-content:center;margin-bottom:0}.hero-logo-img{height:clamp(80px,16vh,150px);width:auto;filter:drop-shadow(0 0 24px rgba(99,102,241,.35));animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.hero-title{font-size:clamp(2rem,3.5vh + 1rem,3.5rem);line-height:1.15;margin:0;font-weight:800;letter-spacing:-.025em}.brand-gradient{background:linear-gradient(135deg,var(--brand-primary),var(--brand-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-description{font-size:clamp(.95rem,1.2vh + .5rem,1.15rem);line-height:1.55;margin:0;max-width:500px;color:var(--text-secondary)}.cta-group{display:flex;flex-direction:column;gap:.75rem;width:min(340px,100%);margin:clamp(.25rem,1.5vh,1rem) auto 0}@media(min-width:640px){.cta-group{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:min(640px,100%);gap:.85rem;align-items:stretch}}.btn-hero,.btn-secondary{width:100%;justify-content:center;padding:clamp(.65rem,1.2vh,.85rem) 1.25rem;font-size:clamp(.9rem,1vh + .5rem,1rem);white-space:nowrap}.home-copyright-footer{margin-top:auto;padding:clamp(.75rem,1.5vh,1.25rem) 1rem;color:var(--text-secondary);font-size:.8rem;text-align:center;opacity:.7;width:100%}.flashcard-container{width:100%;max-width:600px;height:400px;cursor:pointer;outline:none;-webkit-tap-highlight-color:transparent;border-radius:var(--radius-lg);overflow:hidden;isolation:isolate}.flashcard-perspective{width:100%;height:100%;perspective:1000px;-webkit-perspective:1000px}.flashcard-container .card{background-clip:padding-box}.study-container{padding-top:2rem;padding-bottom:4rem;max-width:800px;display:flex;flex-direction:column;height:85vh}@media(max-width:768px){.flashcard-container{height:300px}.study-container{padding-top:1rem;padding-bottom:1rem;height:auto;min-height:calc(100vh - 80px);justify-content:flex-start}}.auth-page{display:flex;justify-content:center;align-items:flex-start;min-height:calc(100vh - 80px);padding:clamp(2rem,8vh,4.5rem) 1rem 2rem;box-sizing:border-box}.auth-card{width:100%;max-width:440px;background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(148,163,184,.15);box-shadow:0 20px 50px #02061766,0 0 0 1px #6366f10d;border-radius:var(--radius-lg);padding:2rem;box-sizing:border-box}.login-card{max-width:450px}.auth-mode-toggle{display:flex;gap:.35rem;margin-bottom:1.75rem;background:#0f172a99;padding:.35rem;border-radius:var(--radius-md);border:1px solid var(--border-color)}.auth-mode-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;color:var(--text-secondary);background:transparent;transition:var(--transition-fast);cursor:pointer;border:none}.auth-mode-btn:hover{color:var(--text-primary)}.auth-mode-btn.active{background:linear-gradient(135deg,#6366f140,#8b5cf640);color:#fff;box-shadow:0 2px 8px #6366f133;border:1px solid rgba(99,102,241,.4)}.auth-header{text-align:center;margin-bottom:1.5rem}.auth-title{font-size:1.75rem;font-weight:700;margin-bottom:.35rem;line-height:1.2}.auth-subtitle{color:var(--text-secondary);font-size:.9rem;line-height:1.5;margin:0}.auth-error,.auth-success,.auth-info{display:flex;align-items:flex-start;gap:.65rem;padding:.75rem 1rem;border-radius:var(--radius-md);margin-bottom:1.25rem;font-size:.875rem;line-height:1.45;text-align:left}.auth-alert-icon{flex-shrink:0;margin-top:2px}.auth-error{background:#ef44441f;border:1px solid rgba(239,68,68,.4);color:#fca5a5}.auth-success{background:#22c55e1f;border:1px solid rgba(34,197,94,.4);color:#86efac}.auth-info{background:#38bdf81f;border:1px solid rgba(56,189,248,.35);color:#bae6fd}.auth-form{display:flex;flex-direction:column;gap:1.15rem}.auth-label{display:block;margin-bottom:.45rem;font-size:.875rem;font-weight:500;color:var(--text-secondary);text-align:left}.auth-password-field{position:relative;display:flex;align-items:center}.auth-password-field .input{padding-right:2.75rem;width:100%}.auth-password-toggle{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;padding:.25rem;transition:var(--transition-fast)}.auth-password-toggle:hover{color:var(--text-primary)}.auth-submit-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.25rem;font-size:1rem;font-weight:600;margin-top:.35rem}.auth-guest-btn{width:100%;padding:.75rem 1.25rem;font-size:.95rem;justify-content:center}.auth-divider{margin:1.25rem 0;display:flex;align-items:center;gap:.75rem;color:var(--text-secondary);font-size:.825rem;text-transform:uppercase;letter-spacing:.05em}.auth-divider-line{flex:1;height:1px;background:var(--border-color)}.auth-divider-text{opacity:.7}.auth-footer{margin-top:1.25rem;text-align:center;font-size:.9rem;color:var(--text-secondary)}.auth-footer a{color:var(--brand-accent);font-weight:600}.auth-footer a:hover{text-decoration:underline}.migration-badge{display:inline-flex;align-items:center;margin-bottom:.5rem;padding:.25rem .65rem;border-radius:999px;background:#6366f133;border:1px solid rgba(99,102,241,.4);color:#c7d2fe;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.migration-notice-box{margin-top:1.25rem;padding:.85rem 1rem;border-radius:var(--radius-md);background:#6366f114;border:1px solid rgba(99,102,241,.2);display:flex;align-items:flex-start;gap:.65rem;text-align:left}.migration-notice-icon{flex-shrink:0;color:var(--brand-accent);margin-top:2px}.migration-notice-box p{margin:0;font-size:.825rem;color:var(--text-secondary);line-height:1.45}.mandatory-migration-page{min-height:100%;align-items:flex-start;padding-top:clamp(1rem,4vh,2.5rem);padding-bottom:clamp(1rem,4vh,2.5rem)}.mandatory-migration-card{width:100%;max-width:520px;padding:0;overflow:hidden;border:1px solid rgba(99,102,241,.55);box-shadow:0 24px 70px #02061773,0 0 0 1px #6366f11a}.mandatory-migration-hero{padding:1.65rem 2rem 1.4rem;background:linear-gradient(145deg,#4f46e557,#2563eb24);border-bottom:1px solid rgba(99,102,241,.35);text-align:center}.mandatory-migration-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;margin-bottom:.7rem;border:1px solid rgba(129,140,248,.55);border-radius:50%;background:#6366f133;color:#a5b4fc}.mandatory-migration-badge{width:fit-content;margin:0 auto .65rem;padding:.3rem .65rem;border-radius:999px;background:#6366f13d;color:#c7d2fe;font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.mandatory-migration-hero h1{margin:0;color:var(--text-primary);font-size:clamp(1.65rem,5vw,2.1rem);line-height:1.15}.mandatory-migration-hero p{max-width:410px;margin:.8rem auto 0;color:var(--text-secondary);font-size:.95rem;line-height:1.55}.mandatory-migration-body{padding:1.35rem 2rem 1.5rem}.migration-safety-callout{margin-top:1.25rem;padding:.9rem 1rem;border:1px solid rgba(34,197,94,.28);border-radius:var(--radius-md);background:#22c55e14}.migration-safety-callout strong{color:#bbf7d0;font-size:.92rem}.migration-safety-callout ul{display:grid;gap:.45rem;margin:.7rem 0 0;padding:0;list-style:none;color:var(--text-secondary);font-size:.86rem}.migration-safety-callout li{display:flex;align-items:center;gap:.5rem}.migration-safety-callout li svg{flex-shrink:0;color:#4ade80}.mandatory-migration-form{gap:.85rem}.mandatory-migration-form .input{min-height:48px;font-size:1rem}.mandatory-migration-submit{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.8rem 1rem}.mandatory-migration-signout,.migration-text-action{display:block;margin:1rem auto 0;padding:.25rem;border:0;background:transparent;color:var(--text-secondary);font-size:.82rem;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.mandatory-migration-signout:hover,.migration-text-action:hover{color:var(--text-primary)}.migration-email-sent{padding:1.25rem;border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-md);background:#22c55e1a;text-align:center}.migration-email-sent>svg{color:#4ade80}.migration-email-sent h2{margin:.5rem 0;font-size:1.15rem}.migration-email-sent p{margin:0;color:var(--text-secondary);font-size:.9rem;line-height:1.5}@media(max-width:640px){.auth-card{padding:1.5rem 1.25rem}.auth-title{font-size:1.5rem}}.dashboard-container{padding:1.5rem 1rem clamp(2rem,4vh,3.5rem);width:100%;max-width:1400px;margin:0 auto;box-sizing:border-box}@media(min-width:769px){.dashboard-container{padding:1.5rem 2rem clamp(2rem,4vh,3.5rem)}}@media(min-width:769px)and (max-width:1680px){.dashboard-container{padding:1.25rem 1.25rem clamp(2rem,4vh,3.5rem)}}.dashboard-header{margin-bottom:clamp(1.5rem,3vh,2.25rem);display:flex;flex-direction:column;gap:1.5rem;min-width:0;width:100%}@media(max-width:768px){.dashboard-header{margin-bottom:1.5rem;gap:.15rem}.dashboard-header-actions{gap:.5rem}.classroom-container .dashboard-header{gap:0}}.dashboard-header-main{display:flex;flex-direction:column;min-width:0;width:100%}.breadcrumb-nav{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-secondary);min-width:0;flex-wrap:wrap}.breadcrumb-main{font-weight:700;font-size:clamp(1.5rem,.9rem + 1.6vw,2rem);color:var(--text-primary);min-width:0}.breadcrumb-separator{opacity:.5;font-size:1.5rem}.breadcrumb-sub{font-weight:400;margin-top:.2rem;min-width:0;max-width:100%}.dashboard-header-actions{display:flex;flex-direction:column;gap:1.5rem;min-width:0;width:100%}@media(min-width:769px){.dashboard-header-actions{flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:nowrap}}.folder-navigation-bar{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.folder-navigation-bar .dashboard-breadcrumbs{margin-bottom:0}.dashboard-breadcrumbs{display:flex;align-items:center;justify-content:flex-start;gap:.5rem;margin-bottom:1.5rem;color:var(--text-secondary);font-size:.95rem;min-width:0;flex-wrap:wrap}.dashboard-title-group{min-width:0;width:100%}.dashboard-title-group h1{font-size:clamp(1.75rem,1rem + 2.2vw,2.5rem);margin-bottom:.5rem}.dashboard-title-group p{color:var(--text-secondary)}.dashboard-tabs{display:flex;gap:2rem;border-bottom:2px solid var(--border-color);margin-bottom:2rem}@media(max-width:768px){.dashboard-tabs{margin-bottom:.35rem}}.dashboard-tab-btn{background:none;border:none;padding:1rem 0;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.6rem;transition:all var(--transition-fast);color:var(--text-secondary);position:relative;border-bottom:2px solid transparent;margin-bottom:-2px}.dashboard-tab-btn:hover{color:var(--text-primary)}.dashboard-tab-btn.active{color:var(--brand-primary);border-bottom-color:var(--brand-primary)}@media(min-width:769px)and (max-width:1680px){.dashboard-tabs{gap:1.25rem;flex-wrap:wrap}.dashboard-tab-btn{padding:.75rem 0;font-size:.95rem}}.dashboard-controls{display:flex;align-items:center;gap:1.5rem;flex-wrap:nowrap;min-width:0}@media(min-width:769px){.dashboard-controls{flex:0 0 auto;justify-content:flex-end}}@media(max-width:768px){.dashboard-controls{flex-direction:row;align-items:center;width:100%;gap:.75rem;flex-wrap:nowrap}}.dashboard-action-btns{display:flex;gap:1rem;align-items:center}.dashboard-header .dashboard-action-btns{box-sizing:border-box;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));flex:0 0 21rem;min-width:0;max-width:21rem;width:21rem;justify-content:flex-end}.dashboard-header .dashboard-action-btns .btn-primary,.dashboard-header .dashboard-action-btns .btn-secondary{width:100%;min-width:0;white-space:nowrap}@media(min-width:769px)and (max-width:1040px){.dashboard-header .dashboard-action-btns{flex-basis:19rem;max-width:19rem;width:19rem}}@media(max-width:768px){.dashboard-header .dashboard-action-btns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));flex:1 1 0;min-width:0;max-width:none;width:100%;gap:.5rem}.dashboard-header .dashboard-action-btns .btn-primary,.dashboard-header .dashboard-action-btns .btn-secondary{width:100%;height:44px;min-width:0;padding:0 .75rem;border-radius:var(--radius-md);line-height:1;white-space:nowrap}.dashboard-header .dashboard-action-btns svg{width:18px;height:18px;flex-shrink:0}}@media(min-width:769px)and (max-width:1100px){.dashboard-header .dashboard-action-btns .btn-primary,.dashboard-header .dashboard-action-btns .btn-secondary{padding:.65rem .85rem;font-size:.9rem;gap:.45rem}}.dashboard-action-btns .btn-primary,.dashboard-action-btns .btn-secondary{box-sizing:border-box;padding:.75rem 1.25rem;font-size:1rem;font-weight:600;line-height:1.1;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;gap:.75rem}.dashboard-action-btns .btn-primary svg,.dashboard-action-btns .btn-secondary svg{flex:0 0 auto;width:1.125rem;height:1.125rem}.dashboard-action-btns .btn-primary{border:1px solid transparent}@media(max-width:480px){.dashboard-controls{flex-wrap:nowrap;min-width:0}.dashboard-action-btns{flex-direction:row;flex:1;min-width:0;gap:.5rem}.dashboard-action-btns .btn-primary,.dashboard-action-btns .btn-secondary{width:auto;flex:1 1 0;justify-content:center;min-width:0;padding:.75rem .5rem;font-size:.9rem;white-space:nowrap}.dashboard-action-btns .btn-invite{flex:0 0 auto;padding:.75rem;min-width:auto}.dashboard-action-btns .btn-folder{padding-left:.5rem;padding-right:.5rem}.dashboard-controls{gap:.5rem}}@media(max-width:480px){.dashboard-header .dashboard-action-btns .btn-primary,.dashboard-header .dashboard-action-btns .btn-secondary{flex:none;width:100%;min-width:0;height:44px;min-height:44px;max-height:44px;padding:0 .75rem;border:1px solid transparent;border-radius:var(--radius-md);line-height:1}.dashboard-header .dashboard-action-btns .btn-secondary{border-color:#94a3b840}}.dashboard-controls .view-mode-toggle{flex-shrink:0}.view-mode-toggle{display:flex;background:var(--bg-secondary);padding:.25rem;border-radius:var(--radius-md);border:1px solid var(--border-color)}.view-mode-btn{padding:.4rem;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;width:32px;transition:var(--transition-fast);background:transparent;color:var(--text-secondary)}.view-mode-btn.active{background:var(--brand-primary);color:#fff}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:1.5rem}@media(min-width:769px){.dashboard-grid>*{min-width:0;max-width:100%}}@media(max-width:768px){.dashboard-grid{grid-template-columns:1fr;min-width:0}.dashboard-grid>*{min-width:0;max-width:100%}.dashboard-grid .card{overflow:hidden}.dashboard-grid .card .card-header-row,.dashboard-grid .card .card-meta{min-width:0}}.dashboard-list{display:flex;flex-direction:column;gap:1rem}.dashboard-list>.card.compact{min-width:0}.card{height:100%;transition:var(--transition-fast);cursor:pointer;text-decoration:none;color:inherit;display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);border-color:var(--brand-primary);box-shadow:0 10px 30px -10px #6366f166}.card.is-dragging{opacity:.4;transform:scale(.97);border:2px dashed var(--brand-primary)!important;cursor:grabbing!important;box-shadow:none!important}.card.drag-over{border-color:var(--brand-primary)!important;background:#6366f11f!important;box-shadow:0 0 0 2px var(--brand-primary),0 8px 24px #6366f14d!important;transform:translateY(-2px) scale(1.02)}.breadcrumb-drop-target{padding:.2rem .5rem;border-radius:var(--radius-sm);transition:all var(--transition-fast);border:1px solid transparent}.breadcrumb-drop-target.drag-over{background:#6366f133!important;border-color:var(--brand-primary)!important;color:var(--brand-primary)!important;box-shadow:0 0 10px #6366f14d}.card.compact{flex-direction:row;align-items:center;padding:1rem 1.5rem;gap:1rem}.folder-back-card{-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;outline:none}.folder-back-card:hover,.folder-back-card:active,.folder-back-card:focus{transform:none;border-color:var(--border-color);box-shadow:none}.dashboard-grid .folder-back-card{grid-column:1 / -1;max-width:300px}.dashboard-list .folder-back-card{align-self:flex-start;max-width:300px}.card-header-row{margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center;gap:.75rem}.card-icon-wrapper{display:flex;align-items:center;justify-content:center;flex-shrink:0}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1;text-align:left}.card-desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-clamp:2}.dashboard-grid .card:not(.compact) .card-desc{min-height:2.7rem}.card.compact .card-desc{display:-webkit-box;flex:1 1 0;min-width:0;margin-bottom:0;padding:0 .65rem;text-align:left;max-width:none;color:var(--text-secondary)}.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:1rem;border-top:1px solid var(--border-color);gap:.5rem}.card-actions{display:flex;gap:.5rem;align-items:center}@media(max-width:480px){.card-actions{gap:.25rem}}.card.compact .card-meta{border-top:none;padding-top:0;margin-top:0;width:auto;flex-shrink:0;gap:.65rem;margin-left:0;min-width:0;justify-content:flex-end}.card.compact{padding:.85rem 1.25rem;transition:var(--transition-fast)}@media(min-width:769px){.dashboard-list>.card.compact:not(.folder-back-card){display:grid;grid-template-columns:minmax(0,1fr) 7.5rem 7.5rem auto;align-items:center;column-gap:1.25rem;padding:.85rem 1.5rem}.card-list-info{display:flex;align-items:center;gap:.75rem;min-width:0;text-align:left}.card-list-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:24px}.card-list-info .card-title{font-size:1.05rem;font-weight:600;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;min-width:0}.card-list-badge-col{display:flex;justify-content:center;align-items:center;min-width:7.5rem}.card-list-count-col{display:flex;justify-content:center;align-items:center;min-width:7.5rem;color:var(--text-secondary);font-size:.9rem;white-space:nowrap}.card-list-actions-col{display:flex;justify-content:flex-end;align-items:center;min-width:8.5rem;margin-left:auto}}@media(max-width:768px){.dashboard-list>.card.compact:not(.folder-back-card){display:grid;grid-template-columns:1fr auto;grid-template-areas:"info info" "count actions";align-items:center;row-gap:.65rem;column-gap:.75rem;padding:1rem}.card-list-info{grid-area:info;display:flex;align-items:center;gap:.75rem;width:100%;min-width:0;text-align:left}.card-list-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:24px}.card-list-info .card-title{font-size:1rem;font-weight:600;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;min-width:0;flex:1}.card-list-badge-col{display:none}.card-list-count-col{grid-area:count;color:var(--text-secondary);font-size:.85rem;text-align:left;display:flex;align-items:center}.card-list-actions-col{grid-area:actions;display:flex;justify-content:flex-end;align-items:center}}.badge{font-size:.75rem;padding:.2rem .5rem;border-radius:1rem;border:1px solid currentColor}.badge-qa{background:#38bdf81a;color:var(--brand-accent)}.badge-language{background:#8b5cf61a;color:var(--brand-secondary)}.badge-terms{background:#6366f11a;color:var(--brand-primary)}.badge-glossary{background:#0d94881a;color:#0d9488}.badge-teacher{background:#10b9811a;color:#34d399}.badge-student{background:#3b82f61a;color:#60a5fa}.badge-folder{background:#eab3081a;color:#eab308}.icon-btn{background:transparent;padding:.5rem;border-radius:50%;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.icon-btn:hover{background:#ffffff1a;color:var(--text-primary)}.icon-btn-delete:hover{background:#ef44441a;color:#ef4444}.icon-btn-edit:hover{background:#38bdf81a;color:var(--brand-accent)}.icon-btn-move:hover{background:#eab3081a;color:#eab308}.dashboard-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:clamp(2.25rem,4.5vh,3.25rem) 2rem;text-align:center;background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color)}.dashboard-empty h3{font-size:1.5rem;margin-bottom:.75rem}.dashboard-empty p{color:var(--text-secondary);margin-bottom:1.5rem;max-width:440px}.dashboard-empty .dashboard-action-btns{justify-content:center}@media(max-width:480px){.dashboard-empty .dashboard-action-btns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;max-width:320px;gap:.5rem}.dashboard-empty .dashboard-action-btns .btn-primary,.dashboard-empty .dashboard-action-btns .btn-secondary{width:100%;height:44px;min-height:44px;max-height:44px;padding:0 .75rem;font-size:.9rem;line-height:1;white-space:nowrap}.dashboard-empty .dashboard-action-btns .btn-secondary{border-color:#94a3b840}}.modal-overlay{position:fixed;inset:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;width:90%;max-width:450px;box-shadow:0 25px 50px -12px #00000080;animation:modalScale .2s ease-out}@keyframes modalScale{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@keyframes matching-game-correct{0%{transform:scale(1);box-shadow:0 0 #22c55e00}28%{transform:scale(1.06);box-shadow:0 0 22px 6px #22c55e6b}52%{transform:scale(1.02);box-shadow:0 0 14px 3px #22c55e47}78%{transform:scale(1.04);box-shadow:0 0 18px 5px #22c55e52}to{transform:scale(1);box-shadow:0 0 10px 2px #22c55e2e}}.matching-game-tile--correct{animation:matching-game-correct .55s ease-out forwards;border-color:#22c55e!important;background-color:#22c55e1f!important}@keyframes matching-game-wrong{0%,to{transform:translate(0);box-shadow:0 0 #ef444400}12%{transform:translate(-5px);box-shadow:0 0 14px 3px #ef444473}28%{transform:translate(5px);box-shadow:0 0 18px 4px #ef444480}44%{transform:translate(-4px);box-shadow:0 0 14px 3px #ef44446b}60%{transform:translate(4px);box-shadow:0 0 16px 3px #ef444461}76%{transform:translate(-2px);box-shadow:0 0 10px 2px #ef444447}90%{transform:translate(0);box-shadow:0 0 8px 1px #ef444433}}.matching-game-tile--wrong{animation:matching-game-wrong .72s ease-out forwards;border-color:#ef4444!important;background-color:#ef44441a!important}@media(prefers-reduced-motion:reduce){.matching-game-tile--correct{animation:none;box-shadow:0 0 0 2px #22c55e8c;border-color:#22c55e!important;background-color:#22c55e24!important}.matching-game-tile--wrong{animation:none;box-shadow:0 0 0 2px #ef44448c;border-color:#ef4444!important;background-color:#ef44441f!important}}.modal-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary);text-align:center}.modal-body{margin-bottom:2rem;color:var(--text-secondary);line-height:1.6;text-align:center}.modal-text{text-align:center}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:2rem}.modal-actions button{min-width:120px;padding:.75rem 1.5rem}.modal-content.auto-mode-modal{max-height:90vh;overflow-y:auto;padding:clamp(1rem,4vw,2rem)}.modal-content.auto-mode-modal .modal-body{max-height:60vh;overflow-y:auto}.modal-actions.modal-actions-auto-mode{flex-wrap:wrap}.modal-actions.modal-actions-auto-mode button{min-width:80px}@media(max-width:480px){.modal-content.auto-mode-modal{width:95%}}.move-list{max-height:60vh;overflow-y:auto;display:flex;flex-direction:column;gap:.5rem;margin:0 -1rem;padding:0 1rem;scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}.move-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);border:1px solid transparent}.move-item:hover{background:#ffffff0d;color:var(--text-primary)}.move-item.selected{background:#6366f11a;color:var(--brand-primary);border-color:#6366f133;font-weight:600}.move-item svg{flex-shrink:0}.move-item.disabled{cursor:not-allowed;opacity:.45;background:transparent!important;border-color:transparent!important}.move-item.disabled:hover{background:transparent!important;color:var(--text-secondary)!important}.move-modal-content{max-width:480px;width:100%}@media(max-width:480px){.mobile-hide-text{display:none}}.create-set-title-mobile{display:none}@media(max-width:480px){.create-set-title-mobile{display:inline}.create-set-title-desktop{display:none}}.students-toolbar{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-bottom:1.5rem;font-family:inherit}.students-toolbar label{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.9rem;font-weight:500}.students-toolbar select{padding:.5rem 1rem;min-width:140px;font-family:inherit;font-size:.9rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);outline:none;transition:var(--transition-fast)}.students-toolbar select:focus{border-color:var(--brand-primary);box-shadow:0 0 0 2px #6366f133}.students-toolbar select option{background:var(--bg-secondary);color:var(--text-primary)}.students-table-wrap{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}@media(min-width:769px)and (max-width:1100px){.students-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.students-table th,.students-table td{padding:.8rem .9rem}}.students-th-school-mobile,.students-th-xp-mobile{display:none}.students-td-name{min-width:0}.students-td-xp{white-space:nowrap}.students-table .student-name-expandable{display:block;width:100%;max-width:100%;border:none;background:none;padding:0;margin:0;font:inherit;font-weight:inherit;color:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}.students-table .student-name-expandable:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px;border-radius:var(--radius-sm)}.students-table .student-name-expandable.student-name--expanded{white-space:normal;word-break:break-word}.students-table{width:100%;border-collapse:collapse;font-family:inherit;font-size:.92rem;background:#ffffff05}.students-table th{padding:1rem 1.25rem;text-align:left;font-weight:600;font-size:.85rem;color:var(--text-secondary);text-transform:none;letter-spacing:0}.students-table th:last-child{text-align:right}.students-table tbody tr{border-bottom:1px solid var(--border-color);transition:var(--transition-fast)}.students-table tbody tr:hover{background:#ffffff05}.students-table td{padding:1rem 1.25rem;color:var(--text-primary)}.students-table td:nth-child(2),.students-table td:nth-child(3){color:var(--text-secondary)}.students-table td:last-child{text-align:right}.students-table .btn-edit-student{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.35rem;border-radius:var(--radius-sm);transition:var(--transition-fast)}.students-table .btn-edit-student:hover{color:var(--brand-primary);background:#6366f11a}.students-table .student-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.students-table .student-name.has-nickname{font-weight:600}.students-table .student-name.student-name--expanded{white-space:normal;word-break:break-word;overflow:visible;text-overflow:clip}.students-empty-cell{padding:2rem 1.25rem;text-align:center;color:var(--text-secondary);font-size:.95rem}.btn-remove-from-class{flex:1 1 100%;margin-top:.75rem;padding:.75rem 1rem;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-family:inherit;font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition-fast)}.btn-remove-from-class:hover{border-color:#ef444480;color:#ef4444;background:#ef44440f}.modal-actions .btn-confirm-remove{background:#ef4444;border:1px solid #ef4444;color:#fff;font-weight:600;border-radius:var(--radius-md)}.modal-actions .btn-confirm-remove:hover{background:#dc2626;border-color:#dc2626}.no-spinner::-webkit-outer-spin-button,.no-spinner::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.no-spinner{-moz-appearance:textfield;appearance:none}@media(max-width:1023px){.students-toolbar{flex-direction:column;align-items:stretch;gap:.45rem;margin-bottom:.75rem}.students-toolbar label{flex-direction:column;align-items:stretch;gap:.3rem;width:100%;font-size:.8rem}.students-toolbar select{width:100%;min-width:0;margin-left:0;padding:.4rem .65rem;font-size:.8rem}.students-th-school-desktop,.students-th-xp-desktop{display:none}.students-th-school-mobile,.students-th-xp-mobile{display:inline}.students-table th.students-th-actions:last-child{position:relative;width:2.5rem;max-width:2.75rem;padding-left:.25rem;padding-right:.35rem;text-align:center}.students-th-actions-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.students-table-wrap{overflow-x:hidden;-webkit-overflow-scrolling:touch}.students-table{table-layout:fixed;font-size:.74rem}.students-col-name{width:36%}.students-col-year{width:22%}.students-col-xp{width:28%}.students-col-actions{width:14%;min-width:2.25rem}.students-table th,.students-table td{white-space:normal;padding:.4rem .45rem;font-size:.74rem;vertical-align:middle}.students-table th{font-size:.68rem;padding:.35rem .45rem}.students-table td:nth-child(2){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.students-table .students-td-xp{text-align:right}.students-xp-suffix{display:none}.students-table td.students-td-actions:last-child{text-align:center;padding-left:.2rem;padding-right:.2rem;white-space:nowrap}.students-table .btn-edit-student{padding:.2rem}.students-table .students-edit-icon{width:15px;height:15px}.students-table .student-name:not(.student-name-expandable){display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}@media(max-width:380px){.students-table{font-size:.68rem}.students-table th,.students-table td{font-size:.68rem;padding:.35rem}.students-table th{font-size:.62rem}.students-table .students-edit-icon{width:14px;height:14px}}.students-section-title{margin:-.9rem 0 1.45rem;font-size:clamp(1.15rem,.95rem + .7vw,1.45rem);line-height:1.2;color:var(--text-primary)}.students-overview{background:linear-gradient(180deg,#1e293b9e,#0f172a2e);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:clamp(.85rem,1.6vw,1.2rem);box-shadow:0 18px 45px #00000029}.students-overview-topbar{margin-bottom:.8rem}.students-overview .students-toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;margin-bottom:0}.students-overview .students-dropdown{position:relative;display:grid;gap:.25rem;padding:0;background:transparent;border:none;border-radius:0}.students-filter-label{color:var(--text-secondary);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.students-dropdown-trigger{width:100%;min-width:0;height:34px;padding:.55rem .7rem;background:#0f172aad;border:1px solid rgba(148,163,184,.18);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:.84rem;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:.75rem}.students-dropdown-trigger span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.students-dropdown-trigger.open,.students-dropdown-trigger:focus-visible{border-color:#6366f1a6;box-shadow:0 0 0 2px #6366f12e;outline:none}.students-dropdown-trigger svg{flex-shrink:0;color:var(--text-secondary);transition:transform var(--transition-fast)}.students-dropdown-trigger.open svg{transform:rotate(180deg)}.students-dropdown-menu{position:absolute;left:.8rem;right:.8rem;top:calc(100% + .35rem);z-index:50;padding:.35rem;background:#0f172afa;border:1px solid rgba(99,102,241,.28);border-radius:var(--radius-md);box-shadow:0 18px 40px #00000073}.students-dropdown-option{width:100%;padding:.65rem .75rem;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.88rem;font-weight:600;text-align:left}.students-dropdown-option:hover,.students-dropdown-option:focus-visible{background:#6366f124;border-color:#6366f138;outline:none}.students-dropdown-option.selected{background:linear-gradient(135deg,#6366f1eb,#8b5cf6eb);color:#fff}.students-overview .students-table-wrap{background:transparent;border:none;border-radius:0;overflow:visible}.students-overview .students-table{border-collapse:separate;border-spacing:0 .6rem;background:transparent}.students-overview .students-table th{padding:0 1rem .15rem;color:var(--text-secondary);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase}.students-overview .students-table tbody tr{border-bottom:none}.students-overview .students-table td{padding:.95rem 1rem;background:#1e293b9e;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.students-overview .students-table td:first-child{border-left:1px solid var(--border-color);border-radius:var(--radius-md) 0 0 var(--radius-md)}.students-overview .students-table td:last-child{border-right:1px solid var(--border-color);border-radius:0 var(--radius-md) var(--radius-md) 0}.students-overview .students-table tbody tr:hover td{background:#1e293bd1;border-color:#6366f147}.students-overview .students-table .student-name{color:var(--text-primary);font-weight:700}.students-overview .students-td-xp{text-align:center;font-weight:700}.students-overview .students-table th:nth-child(3){text-align:center}.students-overview .students-table .btn-edit-student{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-secondary);border:1px solid transparent;border-radius:50%}.students-overview .students-table .btn-edit-student:hover{color:var(--brand-primary);background:#6366f11f;border-color:#6366f138}@media(max-width:768px){.students-section-title{margin-top:-1.1rem;margin-bottom:1.25rem;font-size:1.2rem}.students-overview{padding:0;background:transparent;border:none;box-shadow:none}.students-overview-topbar{padding:.75rem;margin-bottom:.6rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg)}.students-overview .students-toolbar{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem}.students-overview .students-dropdown{padding:0;background:transparent}.students-dropdown-trigger{padding:.55rem .6rem;font-size:.8rem}.students-dropdown-menu{left:0;right:0}.students-overview .students-table-wrap{overflow-x:hidden}.students-overview .students-table{border-spacing:0 .42rem;font-size:.74rem}.students-overview .students-table th{padding:0 .7rem .1rem;font-size:.64rem}.students-overview .students-table th.students-th-actions:last-child{padding-left:.2rem;padding-right:.2rem}.students-overview .students-table td{padding:.62rem .7rem;font-size:.74rem}.students-overview .students-table .btn-edit-student{width:28px;height:28px;padding:0}}.create-set-page{max-width:600px}.create-set-card-fields{display:flex;flex-wrap:wrap;gap:1rem}.create-set-image-strip{display:flex;flex-direction:row;align-items:stretch;gap:.65rem;margin-top:.85rem}.create-set-image-nav-btn{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;min-width:5.25rem;max-width:6.5rem;padding:.55rem .45rem;border-radius:var(--radius-md);border:1px solid rgba(99,102,241,.45);background:#6366f124;color:var(--text-primary);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .12s ease}.create-set-image-nav-btn:hover:not(:disabled){background:#6366f142;border-color:#818cf8bf;color:#fff}.create-set-image-nav-btn:active:not(:disabled){transform:scale(.98)}.create-set-image-nav-btn:disabled{opacity:.38;cursor:not-allowed;border-color:var(--border-color);background:#ffffff0a}.create-set-image-nav-label{font-size:.72rem;font-weight:600;line-height:1.2;text-align:center;color:var(--text-secondary)}.create-set-image-nav-btn:hover:not(:disabled) .create-set-image-nav-label{color:var(--text-primary)}.create-set-image-preview{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);background:#0003;max-height:200px;display:flex;align-items:center;justify-content:center}.create-set-image-preview--strip{flex:1 1 0;min-width:0;margin-top:0;max-height:220px}.create-set-image-preview img{max-width:100%;max-height:200px;width:auto;height:auto;object-fit:contain;display:block}.create-set-image-preview--strip img{max-height:220px}.create-set-image-attrib{margin-top:.35rem;font-size:.65rem;color:var(--text-secondary);opacity:.85}.create-set-image-loading{margin-top:.85rem;font-size:.8rem;color:var(--text-secondary);text-align:center;font-style:italic}.create-set-image-counter{margin-top:.45rem;font-size:.75rem;font-weight:600;color:var(--text-primary);text-align:center}.create-set-image-counter-hint{font-weight:400;color:var(--text-secondary)}.create-set-toggle-wrap{margin-bottom:1rem}.create-set-toggle-wrap--centered{display:flex;justify-content:center}.create-set-toggle{position:relative;display:inline-flex;flex-direction:row;align-items:center;gap:.65rem;cursor:pointer;-webkit-user-select:none;user-select:none}.create-set-toggle-input{position:absolute;opacity:0;width:1px;height:1px;margin:0}.create-set-toggle-track{position:relative;width:2.85rem;height:1.55rem;border-radius:9999px;background:#ffffff1f;border:1px solid var(--border-color);flex-shrink:0;transition:background .2s ease,border-color .2s ease}.create-set-toggle-track:after{content:"";position:absolute;width:1.2rem;height:1.2rem;border-radius:50%;background:#fff;top:50%;left:.2rem;transform:translateY(-50%);transition:transform .2s ease;box-shadow:0 1px 3px #00000040}.create-set-toggle-input:checked+.create-set-toggle-track{background:#6366f18c;border-color:#6366f1bf}.create-set-toggle-input:checked+.create-set-toggle-track:after{transform:translate(1.25rem,-50%)}.create-set-toggle-input:focus-visible+.create-set-toggle-track{box-shadow:0 0 0 3px #6366f159}.create-set-toggle-text{font-size:.95rem;font-weight:600;color:var(--text-primary);line-height:1.2}@media(max-width:768px){.create-set-page{max-width:100%;padding-left:.75rem;padding-right:.75rem}.create-set-image-strip{gap:.45rem}.create-set-image-nav-btn{min-width:4.25rem;max-width:5rem;padding:.45rem .3rem}.create-set-image-nav-label{font-size:.65rem}.create-set-image-preview--strip,.create-set-image-preview--strip img{max-height:180px}.create-set-image-preview,.create-set-image-preview img{max-height:160px}}.profile-header-nav{width:100%;max-width:400px;margin:2rem auto;display:flex;justify-content:center}.profile-view-card{display:flex;flex-direction:row;align-items:center;margin-bottom:2rem;position:relative;width:100%;max-width:400px;min-height:0;height:auto;margin:.5rem auto 1.25rem;padding:3.5rem 2.5rem;gap:2rem}.profile-view-card,.profile-edit-card{transform:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),background-color var(--transition-fast)}.profile-view-card:hover,.profile-edit-card:hover{transform:none}.profile-avatar-container{width:120px;height:120px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--brand-primary);flex-shrink:0;transition:border-color var(--transition-fast),background-color var(--transition-fast),color var(--transition-fast)}.profile-details{flex:1;display:flex;flex-direction:column;align-items:flex-start}.profile-username{font-size:2rem;margin-bottom:.25rem;font-weight:800;line-height:1.1}.profile-edit-btn{margin-top:.5rem;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);padding:.6rem 1.25rem;font-size:.95rem;border-radius:var(--radius-md);cursor:pointer;transition:all .2s}.profile-edit-btn:hover{background:var(--bg-hover)}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;max-width:400px;margin:0 auto}.profile-page-container{width:100%;overflow-x:hidden;box-sizing:border-box;padding:1rem}.stat-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:1.5rem}@media(max-width:480px){.profile-page-container{padding:.5rem .5rem 0;display:flex;flex-direction:column;flex:1;justify-content:center;min-height:calc(100vh - 100px)}}.stat-icon{margin-bottom:1rem}.stat-value{font-size:2rem;font-weight:800}.stat-label{color:var(--text-secondary);font-size:.85rem;text-transform:uppercase;letter-spacing:.5px}@media(max-width:480px){.profile-view-card{padding:1.75rem 1.4rem;gap:1.5rem;box-sizing:border-box;width:100%;max-width:100%;overflow-x:hidden}.profile-avatar-container{width:88px;height:88px;border-width:2px}.profile-username{font-size:1.5rem}.profile-edit-btn{padding:.5rem 1rem;font-size:.9rem}.stats-grid{gap:1rem;box-sizing:border-box;width:100%;padding:0 .5rem}.stat-card{padding:.25rem .5rem;aspect-ratio:1 / 1}.stat-icon{margin-bottom:.25rem}.stat-value{font-size:1.4rem}.stat-label{font-size:.75rem}}.profile-edit-card{display:flex;flex-direction:column;margin-bottom:2rem;position:relative;width:100%;max-width:400px;margin:0 auto 2rem;padding:1.5rem 2rem}.edit-card-header{display:flex;flex-direction:row;align-items:center;gap:1.5rem;width:100%;margin-bottom:1rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.edit-header-text{flex:1;display:flex;flex-direction:column;align-items:flex-start}.edit-avatar-preview{width:72px;height:72px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--brand-primary);flex-shrink:0}.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem;margin-bottom:2rem;justify-items:center;width:100%}.icon-grid-btn{width:40px;height:40px;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s}.icon-grid-btn:hover{transform:scale(1.1)}.icon-grid-btn.active{background:var(--brand-primary);color:#fff}.icon-grid-btn.inactive{background:var(--bg-secondary);color:var(--text-secondary)}@media(max-width:480px){.profile-header-nav{margin-top:0;margin-bottom:.5rem}.profile-edit-card{padding:1rem;width:100%;max-width:400px;margin:1.5rem auto;height:auto;flex:none;box-sizing:border-box}.edit-card-header{gap:.5rem;margin-bottom:.5rem;padding-bottom:.5rem}.edit-avatar-preview{width:48px;height:48px}.edit-header-text h2{font-size:1.1rem!important;margin-bottom:0!important}.edit-header-text p{display:none}.icon-grid{gap:.4rem}.icon-grid-btn{width:38px;height:38px}}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: rgba(30, 41, 59, .7);--text-primary: #f8fafc;--text-secondary: #94a3b8;--brand-primary: #6366f1;--brand-secondary: #8b5cf6;--brand-accent: #38bdf8;--border-color: rgba(148, 163, 184, .1);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--transition-fast: .2s ease;--transition-normal: .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}#root{min-width:0;width:100%}html{overflow-y:scroll;scrollbar-gutter:stable}body{font-family:Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}a,button,[role=button],input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit;border:none;border-radius:var(--radius-sm);transition:var(--transition-fast)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.title{font-size:2.25rem;font-weight:700;background:linear-gradient(135deg,var(--brand-primary),var(--brand-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-primary{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;padding:.75rem 1.5rem;font-weight:600;border-radius:var(--radius-md)}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;line-height:1.1;-webkit-user-select:none;user-select:none;transition:var(--transition-fast)}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px #38bdf847}.btn-secondary{background:#1e293b8c;border:1px solid rgba(148,163,184,.25);color:var(--text-primary);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.btn-secondary:hover{transform:translateY(-1px);border-color:#38bdf88c;box-shadow:0 10px 24px #00000040}.btn-secondary:active{transform:translateY(0)}.card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem}.input{width:100%;padding:.75rem 1rem;background:#0f172a80;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);outline:none;transition:var(--transition-fast)}.input-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.input:focus{border-color:var(--brand-primary);box-shadow:0 0 0 2px #6366f133}@media(max-width:900px){.input-grid-2{grid-template-columns:1fr!important}}@media(max-width:768px){:root{--radius-lg: .75rem}.title{font-size:1.75rem}.container{padding:0 1rem;width:100%}.card .input-group,.input-grid-2{grid-template-columns:1fr!important}}@media(max-width:480px){.title{font-size:1.5rem}.btn-primary{width:100%;display:flex;justify-content:center;align-items:center;min-height:48px;font-size:1.0625rem;line-height:1.25}}.perspective-1000{perspective:1000px}.transform-style-3d{transform-style:preserve-3d}.backface-hidden{backface-visibility:hidden;-webkit-backface-visibility:hidden}.rotate-y-180{transform:rotateY(180deg)}