.home-navigation-sticky{position:sticky;top:0;z-index:50;flex-shrink:0;background-color:var(--app-page, #FFFDF4);background-image:var(--game-doodle-bg-image);background-repeat:repeat;background-size:760px 560px;background-position:top center;border-bottom:none}.home-navigation-sticky .home-header{position:relative!important;top:auto;max-width:1440px;margin:0 auto;padding-left:24px;padding-right:24px;border-bottom:none!important;background:transparent!important}.home-navigation-sticky .home-header:after{content:"";position:absolute;left:24px;right:24px;bottom:0;height:1px;background:var(--app-border, #e2e8f0);border-radius:9999px}@media(max-width:600px){.home-navigation-sticky .home-header{padding-left:14px;padding-right:14px}.home-navigation-sticky .home-header:after{left:14px;right:14px}}.home-navigation-sticky .nav-room-mobile-row{position:relative;top:auto;z-index:auto}.home-header.home-header--expanded{--header-control-size: 38px}.home-header:not(.home-header--expanded){--header-control-size: 44px}.home-header :is(.nav-create-quiz-main,.nav-settings-btn,.nav-account-trigger,.nav-login-btn,.nav-join-room-btn,.app-header__theme-toggle,.nav-hamburger,.nav-lang-switch,.nav-room-code-bar){--button-height: var(--header-control-size);box-sizing:border-box;height:var(--header-control-size);min-height:var(--header-control-size);flex-shrink:0;line-height:1;border-radius:var(--radius-control, 12px);transition:background .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease,transform .15s ease}.home-header :is(.nav-settings-btn,.nav-account-trigger,.app-header__theme-toggle,.nav-hamburger){width:var(--header-control-size);min-width:var(--header-control-size);padding:0;display:inline-flex;align-items:center;justify-content:center}.home-header .nav-account-trigger{overflow:hidden}.home-header .nav-account-trigger .user-avatar{width:100%!important;height:100%!important;border-radius:inherit}.home-public-layout{box-sizing:border-box;height:100vh;height:100dvh;color:var(--text-primary);overflow-y:auto;overflow-x:clip}.home-content-shell{width:100%;max-width:1440px;margin:0 auto;padding:8px 24px 24px;display:flex;flex-direction:column;gap:20px}.home-content-shell>.hero-banner{margin:0}.home-content-shell>.recently-played,.home-content-shell>.suggested-section{padding:0}.home-explore-section{display:flex;flex-direction:column;gap:14px;min-width:0}.home-explore-section>.home-footer{margin-left:-24px;margin-right:-24px;width:calc(100% + 48px)}@media(max-width:1023px){.home-explore-section>.home-footer{margin-left:-14px;margin-right:-14px;width:calc(100% + 28px)}}.home-explore-top-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:0;background:transparent;border:none;box-shadow:none}.home-explore-sticky-bar{position:sticky;top:var(--home-navigation-height, 53px);z-index:40;padding:10px 0 8px;margin:-10px 0 -8px;background-color:var(--app-page, #FFFDF4);background-image:var(--game-doodle-bg-image);background-repeat:repeat;background-size:760px 560px;background-position:top center;border:none;box-shadow:0 -4px 0 0 var(--app-page, #FFFDF4)}.home-explore-title-group{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.home-explore-title-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--accent-cyan-soft, #E2F4FB);color:var(--accent-cyan, #218FA3);border:1px solid var(--accent-cyan-border, #B4E2EC);flex-shrink:0}.home-explore-title-meta{display:flex;flex-direction:column;gap:2px;min-width:0}.home-explore-title-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.home-explore-title{font-size:var(--type-section, 1.25rem);font-weight:800;letter-spacing:-.4px;color:var(--app-text, #172B30);margin:0;line-height:1.25}.home-explore-count-pill{display:inline-flex;align-items:center;justify-content:center;padding:2px 9px;border-radius:8px;background:var(--app-surface-soft, #F5F2E6);border:1px solid var(--app-border, #D8E2DB);color:var(--app-accent-text, #174D53);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}.home-explore-reset-btn{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 10px;border-radius:8px;border:1px solid var(--app-border, #D8E2DB);background:var(--app-surface, #ffffff);color:var(--app-text-secondary, #52656A);font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:all .15s ease}.home-explore-reset-btn:hover{background:var(--app-accent-soft, #E8F3F1);border-color:var(--app-primary, #174D53);color:var(--app-accent-text, #174D53)}.home-explore-subtitle{font-size:var(--type-caption, 13px);color:var(--app-text-secondary, #52656A);margin:0;line-height:1.4}.home-explore-tabs-bar{display:inline-flex;align-items:center;gap:4px;padding:4px;background:var(--app-surface-soft, #F5F2E6);border:1px solid var(--app-border, #D8E2DB);border-radius:12px;max-width:100%;flex-shrink:0}.home-explore-tab-btn{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;font-family:inherit;font-size:13.5px;font-weight:600;background:transparent;color:var(--app-text-secondary, #52656A);border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .18s ease;white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none}.home-explore-tab-icon{flex-shrink:0;color:var(--app-text-muted, #66797E);transition:color .18s ease}.home-explore-tab-btn:hover:not(.active){background:var(--app-surface, #ffffff);color:var(--app-text, #172B30)}.home-explore-tab-btn.active{background:var(--app-surface, #ffffff);color:var(--app-text, #172B30);font-weight:700;border-color:var(--app-border, #D8E2DB);box-shadow:0 1px 4px #172b300f}.home-explore-tab-btn--system.active,.home-explore-tab-btn--system.active .home-explore-tab-icon{color:var(--app-accent-text, #174D53)}.home-explore-tab-btn--community.active,.home-explore-tab-btn--community.active .home-explore-tab-icon{color:var(--accent-cyan, #218FA3)}.home-explore-tab-badge{display:inline-flex;align-items:center;justify-content:center;background:var(--app-surface, #FFFFFF);color:var(--app-text-secondary, #52656A);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;padding:1px 7px;border-radius:6px;line-height:1.3}.home-explore-tab-btn--system.active .home-explore-tab-badge{background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53)}.home-explore-tab-btn--community.active .home-explore-tab-badge{background:var(--accent-cyan-soft, #E8F6F9);color:var(--accent-cyan, #218FA3)}.home-explore-controls-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.home-explore-search{flex:1 1 260px;min-width:220px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border-radius:12px;background:var(--app-surface, #FFFFFF);border:1px solid var(--app-border, #D8E2DB);box-shadow:0 1px 2px #172b300a;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.home-explore-search:focus-within{background:var(--app-surface, #ffffff);border-color:var(--app-primary, #2563EB);box-shadow:0 0 0 3px #2563eb26}.home-explore-search__icon{color:var(--app-text-muted, #66797E);flex-shrink:0}.home-explore-search__input{flex:1;min-width:0;border:none;background:transparent;color:var(--app-text, #172B30);font-family:inherit;font-size:var(--type-label, 14px);font-weight:500;outline:none}.home-explore-search__input::-moz-placeholder{color:var(--app-text-muted, #66797E)}.home-explore-search__input::placeholder{color:var(--app-text-muted, #66797E)}.home-explore-search__clear{width:24px;height:24px;border-radius:6px;border:none;background:var(--app-surface-soft, #F5F2E6);color:var(--app-text-secondary, #52656A);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background .15s ease,color .15s ease}.home-explore-search__clear:hover{background:var(--app-border, #D8E2DB);color:var(--app-text, #172B30)}.home-explore-selects{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.home-explore-select-item{width:175px;min-width:150px}.home-explore-select-item .neo-select{height:40px;min-height:40px;padding:0 12px;border-radius:12px;font-size:13.5px}.home-scroll-top-btn{position:fixed;bottom:24px;right:24px;z-index:100;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:var(--app-primary, #2563EB);color:var(--app-primary-text, #FFFFFF);box-shadow:0 8px 24px #2563eb47;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease,background .2s ease}.home-scroll-top-btn:hover{transform:translateY(-2px);background:var(--app-primary-hover, #1D4ED8)}.home-scroll-top-btn:active{transform:translateY(0)}@media(max-width:640px){.home-scroll-top-btn{bottom:calc(108px + env(safe-area-inset-bottom,0px));right:16px}.home-public-layout .search-filter-input{font-size:16px}.nav-room-code-bar--mobile{min-height:40px;box-sizing:border-box}.nav-room-code-bar--mobile .nav-room-code-input{min-height:34px;box-sizing:border-box}.nav-room-code-bar--mobile .nav-room-code-submit{min-height:30px;height:30px;padding:0 12px;font-size:13px}}@media(max-width:1023px){.home-content-shell{padding:6px 14px 14px;gap:16px;box-sizing:border-box}}@media(max-width:768px){.home-explore-section{gap:12px}.home-explore-top-row{flex-direction:column;align-items:stretch;gap:12px;padding:0}.home-explore-sticky-bar{top:var(--home-navigation-height, 110px);padding:6px 0;margin:-6px 0}.home-explore-title-icon{width:34px;height:34px;border-radius:10px}.home-explore-title{font-size:1.125rem}.home-explore-tabs-bar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;box-sizing:border-box}.home-explore-tab-btn{min-width:0;justify-content:center;padding:0 6px;gap:5px;font-size:13px;height:34px}.home-explore-tab-icon{width:14px;height:14px}.home-explore-tab-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-explore-tab-badge{flex-shrink:0;font-size:13px;padding:1px 5px}.home-explore-controls-row{flex-direction:column;align-items:stretch;gap:12px}.home-explore-search{flex:none;width:100%;min-width:0;height:38px;box-sizing:border-box}.home-explore-selects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:6px}.home-explore-select-item{width:100%;min-width:0}.home-explore-select-item .neo-select{height:36px;min-height:36px;padding:0 8px;border-radius:10px;font-size:13px;gap:4px}.home-explore-select-item .neo-select-chevron svg{width:14px;height:14px}}.home-public-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;position:sticky;top:0;z-index:100;background:var(--header-bg, rgba(255, 253, 244, .94));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--app-border, #e2e8f0);transform:translateZ(0);will-change:transform}.nav-logo{display:flex;align-items:center;gap:10px}.nav-logo-icon{width:40px;height:40px;background:var(--brand-gradient);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:var(--type-section)}.nav-logo-text{font-size:var(--type-section);font-weight:800;letter-spacing:-.5px;background:var(--brand-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-actions{display:flex;gap:12px;align-items:center}.nav-locale-wrapper{position:relative}.nav-locale-btn{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:10px;border:1px solid var(--app-border, #e2e8f0);background:var(--app-surface, #ffffff);color:var(--app-text, #1e293b);font-size:var(--type-label);font-weight:700;cursor:pointer;transition:all .25s ease;font-family:inherit;letter-spacing:.3px}.nav-locale-btn:hover{background:var(--app-surface-soft, #f1f5f9);border-color:var(--app-border, #cbd5e1);color:var(--app-text, #1e293b)}.nav-locale-flag{font-size:var(--type-card-title);line-height:1}.nav-locale-label{font-size:var(--type-label)}.nav-locale-arrow{opacity:.65;flex-shrink:0;transition:transform .2s ease}.nav-locale-arrow.open{transform:rotate(180deg)}.nav-locale-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:196px;max-height:min(75vh,380px);overflow-y:auto;background:var(--app-surface, #ffffff);backdrop-filter:blur(20px);border:1px solid var(--app-border, #D8E2DB);border-radius:14px;padding:6px;display:flex;flex-direction:column;gap:2px;box-shadow:0 16px 40px #172b301f,0 4px 12px #172b300f;z-index:260;animation:dropdownSlideIn .18s ease-out}.nav-locale-option{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border:none;border-radius:10px;background:transparent;color:var(--app-text, #172B30);font-size:13.5px;font-weight:600;cursor:pointer;transition:background .15s ease,color .15s ease;font-family:inherit;white-space:nowrap}.nav-locale-option:hover{background:var(--app-surface-soft, #F5F2E6);color:var(--app-text, #172B30)}.nav-locale-option.active{background:var(--app-accent-soft, #EFF6FF);color:var(--app-primary, #2563EB);font-weight:700}.nav-locale-option-flag{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;line-height:1}.nav-locale-option-label{flex:1;text-align:left}.nav-locale-option-code{font-size:13px;font-weight:700;color:var(--app-text-muted, #66797E);letter-spacing:.3px}.nav-locale-option.active .nav-locale-option-code{color:var(--app-primary, #2563EB)}.nav-locale-check{color:var(--app-primary, #2563EB);flex-shrink:0}.nav-drawer-locale-group{display:flex;flex-direction:column;gap:6px}.nav-drawer-locale-title{font-size:var(--type-caption);font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:0 4px 4px}.nav-drawer-locale-option{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;border:1px solid var(--border-subtle);border-radius:12px;background:var(--bg-overlay);color:var(--text-secondary);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .15s ease;font-family:inherit}.nav-drawer-locale-option:hover{background:var(--bg-overlay-hover);color:var(--text-primary)}.nav-drawer-locale-option.active{background:#6366f126;border-color:var(--border-focus);color:var(--text-primary)}.nav-join-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;border:2px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-primary);font-size:var(--type-label);font-weight:700;cursor:pointer;transition:all .2s ease;font-family:inherit}.nav-join-btn:hover{background:var(--bg-overlay-hover);border-color:var(--text-muted);transform:translateY(-1px)}.nav-auth-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;border:none;font-size:var(--type-label);font-weight:700;cursor:pointer;transition:all .2s ease;font-family:inherit}.nav-login-btn{background:var(--brand-gradient);color:var(--text-primary);box-shadow:0 4px 12px #2361e44d}.nav-login-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px #6366f173}.nav-logout-btn{background:var(--color-wrong-bg);border:1px solid var(--color-wrong-border);color:var(--color-wrong)}.nav-logout-btn:hover{background:var(--color-wrong-bg);color:var(--text-primary)}.nav-user-wrapper{position:relative}.nav-user-avatar-btn{width:40px;height:40px;border-radius:50%;border:2px solid rgba(168,85,247,.5);background:#a855f726;cursor:pointer;display:flex;align-items:center;justify-content:center;overflow:hidden;transition:all .25s ease;padding:0}.nav-user-avatar-btn:hover{border-color:var(--accent);box-shadow:0 0 16px #a855f759;transform:scale(1.08)}.nav-avatar-img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;border-radius:50%}.nav-avatar-fallback{font-size:var(--type-section)}.nav-user-dropdown{position:absolute;top:calc(100% + 10px);right:0;width:268px;max-width:calc(100vw - 24px);background:var(--app-surface, #ffffff);border:1px solid var(--app-border, #e2e8f0);border-radius:16px;padding:6px;box-shadow:0 16px 40px -8px #0f172a24,0 4px 12px -2px #0f172a0f;z-index:260;animation:dropdownSlideIn .18s cubic-bezier(.16,1,.3,1);overflow:hidden}@keyframes dropdownSlideIn{0%{opacity:0;transform:translateY(-8px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.nav-dropdown-header{display:flex;align-items:center;gap:12px;padding:12px 12px 10px}.nav-dropdown-avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;border:2px solid rgba(99,102,241,.25);flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--app-accent-soft, #eef2ff);font-size:var(--type-heading)}.nav-dropdown-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.nav-dropdown-info{display:flex;flex-direction:column;gap:2px;min-width:0}.nav-dropdown-name{font-size:var(--type-label);font-weight:700;color:var(--app-text, #0f172a);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-dropdown-email{font-size:var(--type-caption);color:var(--app-text-secondary, #64748b);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-dropdown-divider{height:1px;background:var(--app-surface-soft, #f1f5f9);margin:4px 6px}.nav-dropdown-section-label{padding:6px 12px 2px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--app-text-muted, #64748b);-webkit-user-select:none;-moz-user-select:none;user-select:none}.nav-drawer-section-label{padding:10px 14px 4px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--app-text-muted, #64748b);-webkit-user-select:none;-moz-user-select:none;user-select:none}.nav-dropdown-stats{padding:12px 16px;display:flex;flex-direction:column;gap:10px}.nav-dropdown-stat{display:flex;align-items:center;justify-content:space-between}.nav-dropdown-stat-label{font-size:var(--type-label);color:var(--app-text-secondary, #475569);font-weight:500}.nav-dropdown-stat-value{font-size:var(--type-label);font-weight:700;color:var(--color-warn)}.nav-dropdown-plan-badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:var(--type-caption);font-weight:700;text-transform:uppercase;letter-spacing:.5px;background:var(--brand-gradient);color:#fff}.nav-dropdown-item{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border:none;border-radius:10px;background:transparent;color:var(--app-text-secondary, #334155);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .15s ease;font-family:inherit;text-align:left}.nav-dropdown-item svg{color:var(--app-text-secondary, #64748b);flex-shrink:0;transition:color .15s ease}.nav-dropdown-item:hover{background:var(--app-accent-soft, #eef2ff);color:var(--app-accent-text, #4f46e5)}.nav-dropdown-item:hover svg{color:var(--app-accent-text, #4f46e5)}.nav-dropdown-logout{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;margin-top:2px;border:none;border-radius:10px;background:transparent;color:#e11d48;font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .15s ease;font-family:inherit;text-align:left}.nav-dropdown-logout svg{color:#e11d48;flex-shrink:0}.nav-dropdown-logout:hover{background:var(--app-danger-surface, #fff1f2);color:var(--app-danger-text, #be123c)}.hero-section{display:flex;align-items:center;justify-content:space-between;padding:60px 48px 40px;position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:-50%;left:-20%;width:60%;height:200%;background:radial-gradient(ellipse,rgba(99,102,241,.15) 0%,transparent 70%);pointer-events:none}.hero-section:after{content:"";position:absolute;top:-30%;right:-10%;width:50%;height:160%;background:radial-gradient(ellipse,rgba(168,85,247,.1) 0%,transparent 70%);pointer-events:none}.hero-content{position:relative;z-index:1;max-width:560px}.hero-badge{display:inline-block;padding:8px 18px;border-radius:50px;background:#6366f126;border:1px solid var(--border-focus);color:var(--accent);font-size:var(--type-label);font-weight:600;margin-bottom:20px;letter-spacing:.3px}.hero-title{font-size:48px;font-weight:800;line-height:1.15;letter-spacing:-1.5px;margin-bottom:16px}.hero-title-highlight{background:var(--brand-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-desc{font-size:var(--type-card-title);color:var(--text-secondary);line-height:1.6;margin-bottom:28px;font-weight:400}.hero-stats{display:flex;align-items:center;gap:20px}.hero-stat{display:flex;flex-direction:column;align-items:center}.hero-stat-value{font-size:var(--type-page);font-weight:800;background:linear-gradient(135deg,#c084fc,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-stat-label{font-size:var(--type-caption);color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.hero-stat-divider{width:1px;height:36px;background:var(--bg-overlay-hover)}.hero-visual{position:relative;z-index:1;width:280px;height:220px;flex-shrink:0}.hero-visual-card{position:absolute;width:90px;height:90px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:var(--type-display);border:2px solid rgba(255,255,255,.1);backdrop-filter:blur(8px);color:var(--text-btn, #ffffff)}.hero-card-1{top:10px;left:30px;background:linear-gradient(135deg,var(--border-focus),var(--border-focus));animation:float-card 4s ease-in-out infinite}.hero-card-2{top:40px;right:20px;background:linear-gradient(135deg,#eab3084d,#eab3081a);animation:float-card 4s ease-in-out infinite 1s}.hero-card-3{bottom:10px;left:80px;background:linear-gradient(135deg,#a855f74d,#a855f71a);animation:float-card 4s ease-in-out infinite 2s}@keyframes float-card{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-12px) rotate(3deg)}}.quiz-listing-section{padding:20px 48px 60px;position:relative}.quiz-listing-title{font-size:var(--type-page);font-weight:800;letter-spacing:-.5px;margin-bottom:24px}.search-filter-section{margin-bottom:0;padding:16px;background:var(--app-surface, #ffffff);color:var(--app-text, #1e293b);border:1px solid var(--app-border, #e2e8f0);max-height:calc(100dvh - 108px);gap:12px;border-radius:16px;box-sizing:border-box;overflow:hidden}.search-filter-section .tags-tree-wrapper{scrollbar-gutter:stable}.home-catalog-sidebar .search-filter-section{max-height:calc(100dvh - 108px)}.search-filter-bar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:var(--app-page, #FFFDF4);border:1px solid var(--app-border, #D8E2DB);margin-bottom:0;transition:all .2s;box-shadow:none}.search-filter-bar:focus-within{background:var(--app-surface, #ffffff);border-color:var(--app-primary, #174D53);box-shadow:0 0 0 3px #174d5324}.search-filter-icon{width:14px;height:14px;flex-shrink:0;opacity:.5}.search-filter-input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:var(--type-label);font-family:inherit;line-height:24px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.search-filter-input::-moz-placeholder{color:var(--text-muted)}.search-filter-input::placeholder{color:var(--text-muted)}.filter-chips{display:flex;flex-wrap:wrap;gap:8px}.filter-chip{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:50px;border:1px solid var(--app-border, #e2e8f0);background:var(--app-surface, #ffffff);color:var(--app-text-secondary, #475569);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .2s ease;font-family:inherit}.filter-chip:hover{background:var(--app-surface-soft, #f1f5f9);color:var(--app-text, #1e293b);border-color:var(--app-border, #cbd5e1)}.filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-chip-emoji{font-size:var(--type-label)}.quiz-listing-slider{gap:24px;padding-top:12px;padding-bottom:24px}.quiz-listing-slider>*{flex:0 0 320px}.pqc{background:var(--app-surface, #ffffff);border:1px solid var(--app-border, #D8E2DB);border-radius:var(--radius-card, 16px);overflow:hidden;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;will-change:transform}.pqc:hover{transform:none;border-color:var(--app-primary, #174D53);box-shadow:none}.pqc:focus-visible{outline:2px solid var(--app-primary, #2563EB);outline-offset:3px}.pqc:active{transform:none}.pqc__thumb{border-radius:15px 15px 0 0;position:relative;width:100%;aspect-ratio:16 / 9;height:auto;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.pqc__thumb:after{content:"";position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(0,0,0,.25),transparent);pointer-events:none;z-index:1}.pqc__thumb-overlay{position:absolute;bottom:0;right:0;width:60%;height:60%;background:linear-gradient(135deg,transparent 30%,rgba(20,184,166,.15) 100%);pointer-events:none;z-index:1;border-radius:0;transition:opacity .3s}.pqc:hover .pqc__thumb-overlay{opacity:.6}.pqc__thumb-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .4s cubic-bezier(.4,0,.2,1)}.pqc:hover .pqc__thumb-bg{transform:none}.pqc__icon{font-size:var(--type-display);opacity:.7;transition:transform .35s ease;z-index:1}.pqc:hover .pqc__icon{transform:none}.pqc__recency{position:absolute;top:8px;left:8px;padding:3px 10px;border-radius:8px;font-size:var(--type-caption);font-weight:700;text-transform:uppercase;letter-spacing:.3px;color:#fff;backdrop-filter:blur(8px);z-index:2}.pqc__badges{position:absolute;top:8px;right:8px;display:flex;flex-direction:column;align-items:flex-end;gap:4px;z-index:2}.pqc__badge{padding:3px 10px;border-radius:8px;font-size:var(--type-caption);font-weight:700;background:var(--app-surface, rgba(255, 255, 255, .92));color:var(--app-text, #172B30);backdrop-filter:blur(8px);box-shadow:0 1px 4px #0000001a;letter-spacing:.01em}.pqc__badge--community{display:inline-flex;align-items:center;gap:4px;background:var(--accent-cyan, #218FA3);color:#fff;border:1px solid rgba(255,255,255,.25)}.pqc__badge--plays{background:var(--app-surface, rgba(255, 255, 255, .85))}.pqc__footer{padding:12px 14px 14px;display:flex;flex-direction:column;gap:8px;flex:1}.pqc__title{margin:0;font-size:var(--type-card-title, 1.125rem);font-weight:700;line-height:1.4;color:var(--app-text, #172B30);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;overflow-wrap:anywhere;letter-spacing:-.2px}.pqc__stats{display:flex;flex-wrap:nowrap;gap:8px 12px;margin-top:auto;padding-top:12px;color:var(--app-text-secondary, #52656A);font-size:var(--type-caption);font-weight:500;font-variant-numeric:tabular-nums}.pqc__stats>span{display:inline-flex;align-items:center;gap:5px;min-width:0;white-space:nowrap}.pqc__stats>span:not(:first-child){display:block;overflow:hidden;text-overflow:ellipsis}.pqc__stats svg{flex-shrink:0;color:var(--app-text-muted, #66797E)}.pqc__tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-top:4px}.pqc__tag-item{background:var(--bg-overlay, #f1f5f9);padding:2px 8px;border-radius:6px;font-size:var(--type-caption);font-weight:500;color:var(--text-secondary, #64748b);border:1px solid transparent;transition:all .2s ease;cursor:pointer}.pqc__tag-item:hover{background:#6366f11a;color:var(--primary, #6366f1);border-color:#6366f14d;transform:translateY(-1px)}.pqc__play-btn{display:flex;align-items:center;justify-content:center;gap:5px;width:100%;padding:7px 0;border:none;border-radius:8px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:var(--type-caption);font-weight:600;cursor:pointer;transition:all .2s ease;font-family:inherit;margin-top:auto}.pqc__play-btn:hover{background:linear-gradient(135deg,#4f46e5,#7c3aed);box-shadow:0 3px 12px #6366f159}.pqc__play-btn:disabled{opacity:.6;cursor:not-allowed}.pqc__play-loading{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:pqc-spin .6s linear infinite}@keyframes pqc-spin{to{transform:rotate(360deg)}}.quiz-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);text-align:center}.quiz-empty-icon{font-size:48px;margin-bottom:12px;opacity:.5}.quiz-empty p{font-size:var(--type-body);font-weight:500}.home-public-footer{text-align:center;padding:28px;border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:var(--type-label);font-weight:500}.nav-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;min-width:44px;min-height:44px;padding:10px;background:var(--app-surface, #ffffff);border:1px solid var(--app-border, #D8E2DB);border-radius:11px;box-shadow:0 1px 2px #172b300d;cursor:pointer;transition:all .2s ease;position:relative;z-index:250}.nav-hamburger:hover{background:var(--app-surface-soft, #F5F2E6);border-color:var(--app-primary, #174D53)}.nav-hamburger-line{display:block;width:22px;height:2px;flex-shrink:0;background:var(--app-accent-text, #174D53);border-radius:2px;transition:all .3s ease;transform-origin:center}.nav-hamburger-line.open:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-hamburger-line.open:nth-child(2){opacity:0;transform:scaleX(0)}.nav-hamburger-line.open:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-drawer-overlay{position:fixed;inset:0;background:#0f172a52;z-index:150;touch-action:none;animation:drawerFadeIn .18s ease-out both}@keyframes drawerFadeIn{0%{opacity:0}to{opacity:1}}@keyframes drawerFadeOut{0%{opacity:1}to{opacity:0}}.nav-drawer-overlay.closing{animation:drawerFadeOut .18s ease-in both}@keyframes drawerSlideIn{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes drawerSlideOut{0%{transform:translate(0)}to{transform:translate(100%)}}.nav-mobile-drawer{position:fixed;top:0;right:0;width:320px;max-width:85vw;height:100vh;height:100dvh;max-height:100dvh;background:var(--app-surface, #fff);color:var(--app-text, #172B30);font-family:var(--font-ui);border-left:1px solid var(--app-border, #D8E2DB);box-shadow:-8px 0 32px #172b301f;z-index:200;transform:translate(100%);overflow:hidden;display:flex;flex-direction:column}.nav-mobile-drawer.open{animation:drawerSlideIn .2s cubic-bezier(.2,.8,.2,1) both}.nav-mobile-drawer.closing{animation:drawerSlideOut .18s ease-in both}@media(prefers-reduced-motion:reduce){.nav-mobile-drawer.open,.nav-mobile-drawer.closing,.nav-drawer-overlay,.nav-drawer-overlay.closing{animation-duration:1ms}}.nav-drawer-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--app-border, #e2e8f0);flex-shrink:0}.nav-drawer-header-profile{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.nav-drawer-title{font-size:var(--type-card-title);font-weight:700;color:var(--app-text, #1e293b);letter-spacing:-.5px}.nav-drawer-close{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;min-height:44px;border-radius:10px;background:var(--app-page, #f8fafc);border:1px solid var(--app-border, #e2e8f0);color:var(--app-text-secondary, #64748b);cursor:pointer;flex-shrink:0;transition:background .12s,color .12s}.nav-drawer-close:hover{background:var(--app-accent-soft, #eef2ff);color:var(--app-accent-text, #4f46e5)}.nav-drawer-content{display:flex;flex-direction:column;padding:16px;flex:1;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;padding-bottom:max(20px,env(safe-area-inset-bottom))}.nav-drawer-user-profile{display:flex;flex-direction:row;align-items:center;text-align:left;gap:12px;margin-bottom:14px;padding:12px 14px;background:var(--app-accent-soft, #E8F3F1);border-radius:14px;border:1px solid var(--app-border, #D8E2DB)}.nav-drawer-avatar-large{width:42px;height:42px;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;flex-shrink:0}.nav-drawer-avatar-large img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.nav-drawer-user-info-large{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.nav-drawer-name-large{font-size:var(--type-label, 14px);font-weight:700;color:var(--app-text, #172B30);line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-drawer-email-large{font-size:var(--type-caption, 12px);color:var(--app-text-secondary, #52656A);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-drawer-menu{display:flex;flex-direction:column;gap:6px}.nav-drawer-menu-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;background:var(--app-page, #f8fafc);border:1px solid transparent;color:var(--app-text-secondary, #334155);font-size:var(--type-label, 14px);font-weight:600;cursor:pointer;transition:background .12s,border-color .12s,color .12s;text-align:left}.nav-drawer-menu-item:hover{background:var(--app-accent-soft, #eef2ff);color:var(--app-accent-text, #4f46e5);border-color:var(--app-border, #e0e7ff)}.nav-drawer-menu-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--app-accent-soft, #eef2ff);color:var(--app-accent-text, #6366f1);flex-shrink:0}.nav-drawer-menu-item.primary{background:var(--app-accent-soft, #eef2ff);border-color:var(--app-border, #e0e7ff);color:var(--app-accent-text, #4f46e5)}.nav-drawer-menu-item.primary:hover{background:var(--app-accent-soft, #e0e7ff);border-color:#c7d2fe}.nav-drawer-menu-item.primary .nav-drawer-menu-icon{background:var(--app-accent-soft, #e0e7ff)}.nav-drawer-menu-item.logout{margin-top:16px;color:var(--app-danger-text, #dc2626);background:#f871710d;border:1px solid rgba(248,113,113,.1)}.nav-drawer-menu-item.logout:hover{background:#f8717126;color:var(--app-danger-text, #b91c1c);border-color:#f8717140}.nav-drawer-menu-item.logout .nav-drawer-menu-icon{background:#f871711a;color:inherit;color:#f87171}.home-header{gap:6px;min-height:54px;background:var(--app-page, #FFFDF4)!important;backdrop-filter:none!important}[data-theme=dark] .home-public-layout .home-header{background:var(--app-page, #101D20)!important}.home-header .app-header__left{flex:0 0 auto}.home-header .app-header__right{flex:0 0 auto;margin-left:auto;gap:6px}.nav-lang-switch{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:44px;min-height:44px;padding:0 10px;border-radius:11px;background:var(--app-surface, #FFFFFF);border:1px solid var(--app-border, #D8E2DB);color:var(--app-text, #172B30);font-family:var(--font-ui);font-size:13px;font-weight:800;letter-spacing:.2px;cursor:pointer;flex-shrink:0;transition:background .15s ease,border-color .15s ease,transform .12s ease}.nav-lang-switch:hover{background:var(--app-surface-soft, #F5F2E6);border-color:var(--app-primary, #174D53)}.home-header.home-header--expanded .nav-lang-switch{height:var(--header-control-size);min-height:var(--header-control-size);padding:0 8px}.home-header:not(.home-header--expanded) .nav-lang-switch{height:var(--header-control-size);min-height:var(--header-control-size)}.nav-lang-switch:active{transform:scale(.97)}.nav-lang-switch__code{line-height:1}.home-header:not(.home-header--expanded) :is(.nav-header-desktop-only,.nav-actions-desktop,.nav-account-actions){display:none!important}.nav-create-quiz-main.is-hidden-by-hero{display:none!important}@keyframes navCreateBtnIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.nav-create-quiz-main:not(.is-hidden-by-hero){animation:navCreateBtnIn .18s cubic-bezier(.2,.8,.2,1)}.home-header:not(.home-header--expanded) .nav-create-quiz-main{min-height:var(--header-control-size)!important;height:var(--header-control-size)!important;padding:0 11px!important;border-radius:12px!important;font-size:13px!important;font-weight:800!important;gap:6px!important}.home-header:not(.home-header--expanded) .nav-create-quiz-main .nav-create-quiz-label{display:inline!important}.home-header.home-header--expanded .app-logo-text{display:inline}.home-header :is(.nav-create-quiz-btn,.nav-join-room-btn){min-height:var(--header-control-size);padding:0 12px;font-size:var(--type-label);flex-shrink:0}.home-header:not(.home-header--expanded) .nav-hamburger{display:flex;flex-shrink:0}.home-header.home-header--expanded .nav-hamburger{display:none}.home-header :is(.nav-header-desktop-only,.nav-join-room-wrapper){display:inline-flex}.home-header.home-header--expanded :is(.nav-create-quiz-label,.nav-join-room-label,.nav-login-label){display:inline}.home-header:not(.home-header--expanded){gap:8px}.home-header .nav-account-actions{display:flex;flex-shrink:0}.home-header:not(.home-header--expanded) .nav-join-room-wrapper{margin-right:0!important}@media(max-width:768px){.hero-section{flex-direction:column;padding:28px 16px 20px;text-align:center}.hero-content{max-width:100%}.hero-title{font-size:var(--type-page)}.hero-visual{display:none}.hero-stats{justify-content:center}.quiz-listing-section{padding:12px 8px 32px}.quiz-listing-title{font-size:var(--type-section)}.home-public-nav{padding:8px 10px}.filter-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}.filter-chip{flex-shrink:0;padding:6px 12px;font-size:var(--type-caption)}.pqc{border-radius:var(--radius-card, 16px)}.pqc__thumb{aspect-ratio:16 / 9;height:auto}.pqc__footer{padding:8px 10px 10px;gap:6px}.pqc__title{font-size:var(--type-label);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis}.pqc__tag-list{gap:3px;margin-top:2px}.pqc__tag-item{padding:1px 6px;font-size:var(--type-caption)}.pqc__play-btn{padding:6px 0;font-size:var(--type-caption);border-radius:6px}.explore-grid{gap:12px;padding:0}.home-load-more-btn{padding:10px 22px;font-size:var(--type-label)}}.nav-dropdown-action{width:100%;display:flex;align-items:center;gap:8px;padding:12px 16px;border:none;background:transparent;color:var(--text-primary);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .15s ease;font-family:inherit}.nav-dropdown-action:hover{background:#6366f11f;color:var(--accent)}.nav-drawer-action{display:flex;align-items:center;gap:8px;width:100%;padding:12px 14px;border:1px solid var(--border-subtle);border-radius:12px;background:var(--bg-overlay);color:var(--text-primary);font-size:var(--type-label);font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s ease}.nav-drawer-action:hover{background:#6366f11f;color:var(--accent)}.history-section{padding:24px;position:relative}.history-section button,.history-section a[class*=btn],.history-section>div[class*=rounded]{border-radius:var(--radius-control, 12px)}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.history-title{font-size:var(--type-heading);font-weight:800;letter-spacing:-.5px;display:flex;align-items:center;gap:10px}.history-tabs{display:flex;gap:8px;margin-bottom:20px}.history-tab{display:flex;align-items:center;gap:6px;padding:10px 20px;border-radius:12px;border:1px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-secondary);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .2s ease;font-family:inherit}.history-tab:hover{background:var(--bg-overlay-hover);color:var(--text-primary)}.history-tab-active{background:#6366f126;border-color:var(--border-focus);color:var(--accent)}.history-tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--border-focus);color:var(--accent);font-size:var(--type-caption);font-weight:700}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.home-load-more-btn{display:flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-control, 12px);background:var(--app-surface, #ffffff);border:1px solid var(--app-border, #D8E2DB);color:var(--app-accent-text, #174D53);font-size:var(--type-body);font-weight:700;cursor:pointer;box-shadow:0 2px 10px #172b300d;transition:all .2s ease}.home-load-more-btn:hover{transform:translateY(-2px);background:var(--app-accent-soft, #E8F3F1);border-color:var(--app-primary, #174D53)}.history-card{background:var(--app-surface, #ffffff);border:1px solid var(--border-subtle);border-radius:16px;padding:18px;transition:all .25s ease}.history-card:hover{border-color:#6366f140;background:var(--bg-overlay);transform:translateY(-2px);box-shadow:0 8px 24px #0003}.history-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.history-card-mode-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:8px;font-size:var(--type-caption);font-weight:700;text-transform:uppercase;letter-spacing:.3px;background:#6366f126;color:var(--app-accent-text, #4f46e5);border:1px solid rgba(99,102,241,.3)}.history-card-mode-badge[data-mode=assignment]{background:#a855f726;color:#7e22ce;border-color:#a855f74d}.history-card-status{font-size:var(--type-caption);font-weight:700;padding:3px 8px;border-radius:6px}.history-status-finished{background:#9ca3af26;color:var(--app-text-secondary, #4b5563)}.history-status-active{background:#22c55e26;color:var(--app-success-text, #16a34a)}.history-card-title{font-size:var(--type-body);font-weight:700;margin-bottom:10px;letter-spacing:-.2px;line-height:1.3;color:var(--text-primary)}.history-card-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:var(--type-caption);color:var(--text-muted);font-weight:500;margin-bottom:14px}.history-card-meta span{display:flex;align-items:center;gap:4px}.history-card-stats{display:flex;gap:16px;margin-bottom:14px;padding:10px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.history-stat{display:flex;align-items:center;gap:6px}.history-stat-icon{color:var(--text-muted)}.history-stat-value{font-size:var(--type-body);font-weight:700;color:var(--text-primary)}.history-stat-label{font-size:var(--type-caption);color:var(--text-muted);font-weight:500}.history-card-actions{display:flex;gap:8px}.history-card-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:1px solid var(--border-focus);background:var(--border-focus);color:var(--accent);font-size:var(--type-caption);font-weight:600;cursor:pointer;transition:all .2s ease;font-family:inherit}.history-card-btn:hover{background:var(--border-focus);color:var(--text-primary);transform:translateY(-1px)}.history-card-btn-secondary{border-color:var(--border-subtle);background:var(--bg-overlay);color:var(--text-secondary)}.history-card-btn-secondary:hover{background:var(--bg-overlay-hover);color:var(--text-primary)}.history-loading{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 0;color:var(--text-secondary)}.history-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 0;color:var(--text-muted);font-size:var(--type-label)}@media(max-width:768px){.history-section{padding:16px 20px}.history-grid{grid-template-columns:1fr}}.mobile-filter-fab{position:fixed;bottom:24px;right:24px;z-index:90;width:52px;height:52px;border-radius:50%;border:2px solid var(--app-primary, #2563EB);background:var(--app-primary, #2563EB);color:var(--app-primary-text, #FFFFFF);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 24px #2563eb47,0 2px 8px #0000001f;transition:all .25s cubic-bezier(.4,0,.2,1)}.mobile-filter-fab:hover{transform:scale(1.06);background:var(--app-primary-hover, #1D4ED8);box-shadow:0 8px 28px #2563eb59,0 4px 12px #00000026}.mobile-filter-fab:active{transform:scale(.95)}.mobile-filter-fab__badge{position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;background:var(--color-wrong, #ef4444);border:2px solid #ffffff;animation:fabBadgePulse 2s ease-in-out infinite}@keyframes fabBadgePulse{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}.mobile-filter-drawer-overlay{position:fixed;inset:0;z-index:500;background:#00000080;animation:mfOverlayIn .25s ease}@keyframes mfOverlayIn{0%{opacity:0}to{opacity:1}}.mobile-filter-drawer{position:absolute;bottom:0;left:0;right:0;max-height:85vh;background:var(--app-surface, #FFFFFF);border-radius:24px 24px 0 0;border-top:1px solid var(--app-border, #D8E2DB);display:flex;flex-direction:column;box-shadow:0 -8px 40px #172b3029;animation:mfDrawerSlideUp .3s cubic-bezier(.4,0,.2,1)}@keyframes mfDrawerSlideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.mobile-filter-drawer__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid var(--app-border, #D8E2DB);flex-shrink:0;background:var(--app-surface, #FFFFFF)}.mobile-filter-drawer__title{font-size:var(--type-card-title);font-weight:700;color:var(--app-text, #172B30);letter-spacing:-.2px}.mobile-filter-drawer__close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--app-border, #D8E2DB);background:var(--app-surface-soft, #F5F2E6);border-radius:50%;color:var(--app-text-secondary, #52656A);cursor:pointer;transition:all .2s}.mobile-filter-drawer__close:hover{background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53)}.mobile-filter-drawer__body{overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}.mobile-filter-drawer__body .search-filter-section{max-height:none!important;min-height:auto!important;border-radius:0;box-shadow:none;border:none}.nav-room-code-bar{display:inline-flex;align-items:center;gap:8px;height:38px;min-height:38px;padding:3px 4px 3px 12px;background:var(--app-surface, #FFFFFF);border:1px solid var(--app-border, #D8E2DB);border-radius:var(--radius-control, 12px);box-shadow:0 1px 2px #172b300d;transition:border-color .15s ease,box-shadow .15s ease}.nav-room-code-bar:focus-within{border-color:var(--app-primary, #2563EB);box-shadow:0 0 0 3px #2563eb26}.nav-room-code-icon{color:var(--app-text, #172B30);flex-shrink:0}.nav-room-code-input{width:148px;border:none;background:transparent;color:var(--app-text, #172B30);font-size:var(--type-label, 14px);font-weight:600;line-height:1.4;padding:4px 2px;outline:none}.nav-room-code-input::-moz-placeholder{color:var(--app-text-muted, #66797E);font-weight:500}.nav-room-code-input::placeholder{color:var(--app-text-muted, #66797E);font-weight:500}.nav-room-code-submit{height:30px;min-height:30px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:none;background:var(--app-primary, #174D53);color:var(--app-primary-text, #FFFFFF);font-family:inherit;font-size:var(--type-caption, 12px);font-weight:700;cursor:pointer;white-space:nowrap;transition:background .15s ease,transform .15s ease}.nav-room-code-submit:hover{background:var(--app-primary-hover, #1E6068)}.nav-room-code-submit:focus-visible{outline:2px solid var(--app-primary, #174D53);outline-offset:2px}.nav-room-mobile-row{padding:8px 12px 10px;background:var(--header-bg, rgba(255, 253, 244, .94));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--app-border, #D8E2DB)}.nav-room-code-bar--mobile{display:flex;width:100%;max-width:520px;margin:0 auto}.nav-room-code-bar--mobile .nav-room-code-input{flex:1;width:auto;min-width:0;font-size:var(--type-body, 16px)}.home-header:not(.home-header--expanded) .nav-join-room-wrapper{display:none!important}@media(min-width:768px){.home-header:not(.home-header--expanded) .nav-join-room-wrapper{display:inline-flex!important}.home-header:not(.home-header--expanded) .nav-room-code-input{width:110px}.home-header:not(.home-header--expanded) .nav-room-code-submit{height:36px;min-height:36px;padding-inline:10px}.nav-room-mobile-row{display:none}}.home-header:not(.home-header--expanded) :is(.nav-join-room-btn,.nav-login-btn){width:var(--header-control-size)!important;min-width:var(--header-control-size)!important;height:var(--header-control-size)!important;padding:0!important;gap:0!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;border-radius:10px!important;white-space:nowrap!important}.home-header:not(.home-header--expanded) :is(.nav-join-room-label,.nav-login-label){display:none}.home-header .nav-create-quiz-main.is-hidden-by-hero,.home-header:not(.home-header--expanded) .nav-create-quiz-main{display:none!important}@media(max-width:768px){:is(.nav-create-quiz-btn,.nav-join-room-btn,.nav-login-btn) .neo-button__icon{display:flex;align-items:center;justify-content:center}:is(.nav-create-quiz-btn,.nav-join-room-btn,.nav-login-btn) .neo-button__icon svg{width:16px;height:16px}.mobile-filter-fab{width:46px;height:46px;bottom:16px;right:16px}}@media(max-width:360px){.home-header{gap:6px}}.home-content-shell .pqc,.home-content-shell .pqc:hover{background:transparent;border:none;box-shadow:none;overflow:visible}.home-content-shell .pqc__thumb{border-radius:var(--radius-control, 12px)}.home-content-shell .pqc__footer{padding:12px 0 8px}.home-content-shell .pqc:hover .pqc__title{color:var(--app-primary, #2563EB)}@media(max-width:1024px){.home-explore-search__input,.nav-room-code-input{font-size:16px}}.ss-overlay{position:fixed;inset:0;z-index:9000;background:#0009;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;animation:ss-fade-in .2s ease}@keyframes ss-fade-in{0%{opacity:0}to{opacity:1}}.ss-modal{--text-primary: var(--app-text, #1e293b);--text-secondary: var(--app-text-secondary, #475569);--text-muted: var(--app-text-muted, #64748b);--border-subtle: var(--app-border, #e2e8f0);--bg-overlay: var(--app-surface-soft, #f8fafc);--bg-overlay-hover: var(--app-accent-soft, #ede9fe);background:var(--app-surface, #ffffff);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:24px;width:680px;max-width:92vw;max-height:85vh;max-height:min(85vh,calc(100dvh - 32px));overflow-y:auto;box-shadow:0 24px 64px #00000080;animation:ss-slide-up .25s ease;font-family:var(--font-ui)}@keyframes ss-slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.ss-audio-subs{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:600px){.ss-audio-subs{grid-template-columns:1fr}}.ss-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border-subtle)}.ss-header-left{display:flex;align-items:center;gap:10px}.ss-title{font-size:var(--type-card-title);font-weight:800;letter-spacing:-.3px}.ss-close{background:var(--bg-overlay);border:1px solid var(--border-subtle);color:var(--text-muted);width:32px;height:32px;border-radius:10px;font-size:var(--type-label);cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center}.ss-close:hover{background:var(--bg-overlay-hover);color:var(--text-primary)}.ss-group{padding:16px 24px 20px;border-bottom:1px solid var(--border-subtle)}.ss-group-header{display:flex;align-items:center;gap:8px;margin-bottom:14px}.ss-group-icon{color:var(--app-accent-text, #174D53);flex-shrink:0}.ss-group-title{font-size:var(--type-label);font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary)}.ss-modal .neo-select-option+.neo-select-option,.ss-language-dropdown .neo-select-option+.neo-select-option{margin-top:6px}.ss-lang-list{display:flex;gap:8px}.ss-lang-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-muted);font-size:var(--type-label);font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}.ss-lang-btn:hover{background:var(--bg-overlay);color:var(--text-primary)}.ss-lang-active{background:color-mix(in srgb,var(--primary) 15%,transparent);border-color:var(--border-focus);color:var(--accent)}.ss-lang-flag{display:flex;align-items:center}.ss-lang-label{font-weight:700}.ss-lang-check{color:var(--app-accent-text, #174D53);font-weight:700;margin-left:auto}.ss-master-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;background:var(--bg-overlay);border:1px solid var(--border-subtle);cursor:pointer;transition:all .2s;margin-bottom:12px}.ss-master-row:hover{background:var(--bg-overlay-hover)}.ss-master-volume{margin-top:12px;padding:12px 16px;border-radius:12px;background:var(--bg-overlay);border:1px solid var(--border-subtle)}.ss-master-info{flex:1;display:flex;flex-direction:column;gap:2px}.ss-master-label{font-size:var(--type-body);font-weight:700}.ss-master-status{font-size:var(--type-caption);color:var(--text-muted)}.ss-toggle{width:44px;height:24px;border-radius:12px;background:var(--bg-overlay);position:relative;transition:background .2s;flex-shrink:0}.ss-toggle-on{background:var(--brand-gradient)}.ss-toggle-thumb{width:20px;height:20px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:transform .2s;box-shadow:0 1px 4px #0000004d}.ss-toggle-on .ss-toggle-thumb{transform:translate(20px)}.ss-advanced-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 16px;margin-top:10px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-muted);font-size:var(--type-caption);font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s}.ss-advanced-toggle:hover:not(:disabled){background:var(--bg-overlay);color:var(--text-secondary)}.ss-advanced-toggle:disabled{opacity:.3;cursor:not-allowed}.ss-advanced-open{background:var(--app-accent-soft, #E8F3F1);border-color:var(--app-primary, #174D53);color:var(--app-accent-text, #174D53)}.ss-advanced-label{letter-spacing:.5px;text-transform:uppercase}.ss-advanced-chevron{transition:transform .2s}.ss-chevron-up{transform:rotate(180deg)}.ss-advanced-panel{margin-top:10px;display:flex;flex-direction:column;gap:10px;animation:ss-panel-in .2s ease}@keyframes ss-panel-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.ss-sub{padding:14px 16px;border-radius:14px;background:var(--bg-overlay);border:1px solid var(--border-subtle);transition:opacity .2s}.ss-sub:last-child{margin-bottom:0}.ss-sub.ss-disabled{opacity:.35;pointer-events:none}.ss-sub-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.ss-sub-icon{color:var(--text-muted);flex-shrink:0}.ss-sub-title{font-size:var(--type-label);font-weight:700;flex:1}.ss-sub-val{font-size:var(--type-label);font-weight:700;font-variant-numeric:tabular-nums;color:var(--app-accent-text, #174D53);min-width:36px;text-align:right}.ss-sub-desc{font-size:var(--type-caption);color:var(--text-muted);margin:0 0 10px 22px}.ss-slider-row{display:flex;align-items:center;gap:10px}.ss-slider-compact{padding:0 4px}.ss-slider{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--bg-overlay-hover);outline:none;cursor:pointer}.ss-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--app-primary, #174D53);cursor:pointer;border:2px solid var(--border-subtle);box-shadow:0 2px 8px #174d5359;-webkit-transition:transform .15s;transition:transform .15s}.ss-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.ss-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--app-primary, #174D53);cursor:pointer;border:2px solid var(--border-subtle);box-shadow:0 2px 8px #174d5359}.ss-slider:disabled{opacity:.4;cursor:not-allowed}.ss-preview-btn{margin-top:8px;padding:6px 14px;border-radius:8px;border:1px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-secondary);font-size:var(--type-caption);font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s;display:flex;align-items:center;gap:6px}.ss-preview-btn:hover:not(:disabled){background:var(--bg-overlay-hover);color:var(--text-primary)}.ss-preview-btn:disabled{opacity:.3;cursor:not-allowed}.ss-bgm-list{display:flex;flex-direction:column;gap:8px}.ss-bgm-item{padding:10px 12px;border-radius:10px;background:var(--bg-overlay);border:1px solid var(--border-subtle)}.ss-bgm-info{display:flex;align-items:center;gap:10px;margin-bottom:6px}.ss-bgm-icon{font-size:var(--type-body);flex-shrink:0}.ss-bgm-text{flex:1;display:flex;flex-direction:column;gap:1px}.ss-bgm-label{font-size:var(--type-label);font-weight:700}.ss-bgm-desc{font-size:var(--type-caption);color:var(--text-muted)}.ss-bgm-val{font-size:var(--type-caption);font-weight:700;font-variant-numeric:tabular-nums;color:var(--app-accent-text, #174D53);min-width:32px;text-align:right}.ss-footer{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}.ss-footer-note{font-size:var(--type-caption);color:var(--text-muted);font-style:italic}.ss-modal::-webkit-scrollbar{width:4px}.ss-modal::-webkit-scrollbar-track{background:transparent}.ss-modal::-webkit-scrollbar-thumb{background:var(--bg-overlay-hover);border-radius:2px}