@import"https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&display=swap";:root{color-scheme:light;--bg: #f6f4f1;--bg-accent: #eef3f3;--surface: #ffffff;--surface-muted: #f4f2ee;--surface-glass: rgba(255, 255, 255, .86);--border: rgba(17, 24, 39, .08);--text-main: #1f2937;--text-muted: #667085;--accent: #0f9fa8;--accent-strong: #0b7f86;--accent-soft: rgba(15, 159, 168, .14);--accent-2: #f97316;--danger: #e11d48;--success: #16a34a;--radius-lg: 22px;--radius-md: 16px;--radius-sm: 12px;--shadow-lg: 0 26px 60px rgba(15, 23, 42, .12);--shadow-md: 0 14px 32px rgba(15, 23, 42, .1);--shadow-sm: 0 8px 18px rgba(15, 23, 42, .08);--text-xs: 12px;--text-sm: 14px;--text-md: 15px;--text-lg: 18px;--text-xl: 24px;--btn-height: 44px;--btn-radius: 14px}:root[data-theme=dark]{color-scheme:dark;--bg: #0b0f14;--bg-accent: #0f1722;--surface: #111827;--surface-muted: #0f172a;--surface-glass: rgba(15, 23, 42, .82);--border: rgba(148, 163, 184, .2);--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #22d3ee;--accent-strong: #06b6d4;--accent-soft: rgba(34, 211, 238, .18);--accent-2: #f59e0b;--danger: #fb7185;--success: #22c55e;--shadow-lg: 0 26px 60px rgba(2, 6, 23, .6);--shadow-md: 0 14px 32px rgba(2, 6, 23, .5);--shadow-sm: 0 8px 18px rgba(2, 6, 23, .45)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;font-family:Sora,sans-serif;font-size:var(--text-md);line-height:1.45;background-color:var(--bg);background-image:linear-gradient(180deg,color-mix(in srgb,var(--bg) 94%,var(--accent-soft) 6%) 0%,var(--bg-accent) 100%);color:var(--text-main);min-height:100vh;overflow-x:hidden}:root[data-theme=dark] body{background-color:var(--bg);background-image:linear-gradient(180deg,color-mix(in srgb,var(--bg) 90%,rgba(34,211,238,.08) 10%) 0%,var(--bg-accent) 100%)}button,input,select,textarea{font-family:inherit}.app{max-width:720px;margin:0 auto;padding:24px 20px 32px;min-height:100vh;display:flex;flex-direction:column;gap:18px}.header{display:flex;align-items:flex-start;justify-content:flex-end;gap:12px;padding:12px 2px 2px;flex-wrap:wrap}.brand{display:flex;align-items:center;justify-content:flex-end;margin-top:0;margin-left:auto;flex:1 1 100%}.header-right{display:flex;align-items:flex-start;justify-content:flex-end;gap:10px;flex-wrap:wrap;width:100%;min-width:0}.brand-logo{height:64px;width:auto;border-radius:0;object-fit:contain;display:block;filter:none}.brand-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 10px 24px #0f9fa840}.brand-text h1{margin:0;font-size:26px;font-weight:800;line-height:1.1;background:linear-gradient(135deg,var(--text-main) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.brand-text p{margin:3px 0 0;font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-weight:600}.user-pill{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:var(--text-sm);font-weight:500;color:var(--text-main);box-shadow:var(--shadow-sm);font-variant-numeric:tabular-nums;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tabs-container{margin-top:auto;position:sticky;bottom:calc(12px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface-glass) 86%,var(--bg-accent) 14%);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);padding:8px 8px calc(8px + env(safe-area-inset-bottom));border-radius:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:4px;box-shadow:var(--shadow-md);z-index:10}.tab-btn{background:transparent;border:1px solid transparent;padding:8px 6px;border-radius:12px;color:var(--text-muted);font-weight:600;font-size:12px;line-height:1.1;cursor:pointer;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .15s ease;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center}.tab-icon{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center}.tab-icon svg{display:block}.tab-label{max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tab-btn.active{background:color-mix(in srgb,var(--surface) 84%,var(--accent-soft) 16%);color:var(--accent-strong);border-color:color-mix(in srgb,var(--accent) 34%,var(--border) 66%)}.tab-btn:hover{color:var(--text-main)}.tab-btn:active{transform:scale(.98)}.tab-btn:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}.section{display:flex;flex-direction:column;gap:18px}.section--admin{padding-bottom:calc(10px + env(safe-area-inset-bottom))}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.panel h2{margin:0 0 18px;font-size:var(--text-lg);font-weight:600;line-height:1.2;display:flex;align-items:center;gap:10px}.settings-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.settings-panel-head h2{margin-bottom:0}.settings-info-btn{width:32px;height:32px;border-radius:999px;border:1px solid color-mix(in srgb,#ef4444 34%,var(--border) 66%);background:color-mix(in srgb,var(--surface-muted) 78%,rgba(239,68,68,.18) 22%);color:#f87171;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .15s ease}.settings-info-btn:hover{color:#fca5a5;border-color:color-mix(in srgb,#ef4444 54%,var(--border) 46%);background:color-mix(in srgb,var(--surface-muted) 68%,rgba(239,68,68,.28) 32%)}.settings-info-btn:active{transform:scale(.97)}.settings-info-btn:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}.sheet-overlay{--sheet-top-gap: 20px;--sheet-side-gap: 16px;--sheet-bottom-gap: calc(16px + env(safe-area-inset-bottom)) ;position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:flex-end;justify-content:center;padding:var(--sheet-top-gap) var(--sheet-side-gap) var(--sheet-bottom-gap);background:#02061780;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.sheet-card{width:min(100%,520px);max-height:calc(100dvh - var(--sheet-top-gap) - var(--sheet-bottom-gap));border-radius:24px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,var(--surface-muted) 8%);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.sheet-card--info{padding:0}.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 0;margin-bottom:0;flex-shrink:0}.sheet-body{overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px 18px 20px;overscroll-behavior:contain}.sheet-head h3{margin:0;font-size:16px;line-height:1.15}.sheet-close-btn{width:32px;height:32px;border-radius:999px;border:1px solid color-mix(in srgb,#ef4444 34%,var(--border) 66%);background:color-mix(in srgb,var(--surface-muted) 78%,rgba(239,68,68,.18) 22%);color:#f87171;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transform:translateY(-2px);transition:border-color .2s ease,color .2s ease,background .2s ease}.sheet-close-btn:hover{color:#fca5a5;border-color:color-mix(in srgb,#ef4444 54%,var(--border) 46%);background:color-mix(in srgb,var(--surface-muted) 68%,rgba(239,68,68,.28) 32%)}.sheet-close-btn:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}.sheet-intro{margin:0 0 10px;color:var(--text-muted);font-size:13px;line-height:1.35}.sheet-intro--compact{margin-top:14px;margin-bottom:0}.sheet-timeline{position:relative;display:flex;flex-direction:column;gap:0;margin-bottom:14px;padding-left:22px}.sheet-timeline:before{content:"";position:absolute;left:22px;top:22px;bottom:22px;width:2px;background:color-mix(in srgb,var(--accent) 40%,var(--border) 60%);z-index:0}.sheet-timeline__item{display:flex;align-items:flex-start;gap:14px;padding:8px 0;position:relative;z-index:1}.sheet-timeline__circle{width:40px;height:40px;min-width:40px;border-radius:50%;border:2px solid var(--accent);background:var(--surface);color:var(--accent);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.02em;z-index:1}.sheet-timeline__card{flex:1;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface-muted) 76%,var(--surface) 24%)}.sheet-timeline__title{margin:0;color:var(--text-main);font-size:14px;font-weight:600;line-height:1.3}.sheet-timeline__sub{margin:2px 0 0;color:var(--accent);font-size:13px;line-height:1.3}.sheet-steps{display:grid;gap:10px}.sheet-step{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface-muted) 76%,var(--surface) 24%)}.sheet-step p{margin:0;font-size:14px;color:var(--text-main);font-weight:500}.sheet-step__badge{display:inline-flex;align-items:center;justify-content:center;width:fit-content;min-height:24px;padding:2px 10px;border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 28%,var(--border) 72%);background:color-mix(in srgb,var(--surface) 74%,var(--accent-soft) 26%);color:var(--accent-strong);font-size:11px;font-weight:700;letter-spacing:.2px}.sheet-step__badge--new{border-color:color-mix(in srgb,#fb7185 36%,var(--border) 64%);background:color-mix(in 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strong{color:var(--text-main);opacity:1}.stats-section-title__icon{width:24px;height:24px;border-radius:8px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;color:#fb7185;background:#fb718524;border:1px solid rgba(251,113,133,.4);box-shadow:0 0 0 1px #fb71851a,0 6px 14px #fb718533}:root[data-theme=dark] .stats-section-title__icon{color:#fda4af;background:#fda4af2e;border-color:#fda4af70;box-shadow:0 0 0 1px #fda4af1f,0 6px 14px #fda4af3d}.hero-panel{padding:28px;background:var(--surface)}:root[data-theme=dark] .hero-panel{background:var(--surface)}.streak-hero{display:grid;gap:10px;justify-items:center;text-align:center;position:relative;z-index:1}.streak-main{display:inline-flex;align-items:center;gap:12px}.streak-flame{display:inline-flex;align-items:center;justify-content:center;color:var(--accent-strong)}.streak-count h1{margin:0;font-size:48px;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums}:root[data-theme=dark] .streak-flame{color:#94a3b8a6}.streak-flame.is-lit{color:#f59e0b;filter:drop-shadow(0 0 8px rgba(245,158,11,.6));animation:flamePulse 1.6s ease-in-out infinite}:root[data-theme=dark] .streak-flame.is-lit{color:#fbbf24;filter:drop-shadow(0 0 10px rgba(251,191,36,.55))}@keyframes flamePulse{0%{transform:translateY(0) scale(1);opacity:.85;filter:drop-shadow(0 0 6px rgba(245,158,11,.45))}50%{transform:translateY(-1px) scale(1.06);opacity:1;filter:drop-shadow(0 0 12px rgba(245,158,11,.8))}to{transform:translateY(0) scale(1);opacity:.9;filter:drop-shadow(0 0 6px rgba(245,158,11,.5))}}:root[data-theme=dark] .streak-count h1{color:#f8fafc}:root[data-theme=dark] .streak-subtitle{color:#94a3b8;font-weight:500}:root[data-theme=dark] .streak-tip{color:#94a3b8}.streak-subtitle{font-size:13px;text-transform:lowercase;letter-spacing:.3px;color:var(--text-muted);font-weight:500}.streak-tip{font-size:12px;color:var(--text-muted)}.milestones{margin-top:18px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;position:relative;z-index:1}.milestone{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:10px 8px;display:grid;gap:6px;align-items:center;justify-items:center;text-align:center;transition:transform .2s ease}.milestone-circle{width:34px;height:34px;border-radius:12px;background:var(--surface-muted);display:grid;place-items:center;font-weight:700;font-size:13px;color:var(--text-main)}.milestone-label{font-size:11px;color:var(--text-muted);font-weight:600}.milestone.active{border-color:var(--accent-soft);box-shadow:0 8px 16px #0f9fa82e;transform:translateY(-2px)}.milestone.active .milestone-circle{background:var(--accent-soft);color:var(--accent-strong)}.text-primary{color:var(--accent-strong)}.inline-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.inline-controls--header{justify-content:flex-end;display:flex;flex-wrap:wrap;gap:8px;width:auto}.chip-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-main);font-weight:600;font-size:var(--text-sm);min-height:var(--btn-height);cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s;box-shadow:var(--shadow-sm)}.chip-btn:hover{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.chip-btn:active{transform:scale(.99)}.chip-btn:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,1fr)}.field{display:flex;flex-direction:column;gap:8px}.field label{font-size:var(--text-xs);color:var(--text-muted);font-weight:600}input[type=text],input[type=number],input[type=time]{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;color:var(--text-main);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}textarea{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;color:var(--text-main);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;width:100%;resize:vertical}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea::placeholder{color:var(--text-muted)}.checkbox-field{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--surface);border-radius:12px;border:1px solid var(--border)}.checkbox-wrapper{position:relative;width:46px;height:26px}.checkbox-wrapper input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background-color:#cbd5e1;transition:.25s;border-radius:999px}.toggle-slider:before{position:absolute;content:"";height:20px;width:20px;left:3px;bottom:3px;background-color:#fff;transition:.25s;border-radius:50%;box-shadow:0 2px 6px #0f172a33}input:checked+.toggle-slider{background-color:var(--accent)}input:checked+.toggle-slider:before{transform:translate(20px)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-card{background:linear-gradient(165deg,color-mix(in srgb,var(--surface) 94%,#ffffff 6%),var(--surface));border:1px solid var(--border);padding:16px;border-radius:var(--radius-md);display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-sm);min-height:136px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}:root[data-theme=dark] .stat-card{background:linear-gradient(165deg,color-mix(in srgb,var(--surface) 88%,#1e293b 12%),color-mix(in srgb,var(--surface) 78%,var(--surface-muted) 22%))}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-emoji{width:38px;height:38px;margin-bottom:4px;border-radius:12px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center}.stat-emoji svg{display:block}.stat-card--today{border-color:color-mix(in srgb,#38bdf8 34%,var(--border) 66%)}.stat-emoji--today{color:#38bdf8;background:#38bdf824;border-color:#38bdf85c}.stat-card--notifications{border-color:color-mix(in srgb,#a78bfa 34%,var(--border) 66%)}.stat-emoji--notifications{color:#8b5cf6;background:#8b5cf624;border-color:#8b5cf65c}.stat-card--dictionary{border-color:color-mix(in srgb,#f59e0b 34%,var(--border) 66%)}.stat-emoji--dictionary{color:#f59e0b;background:#f59e0b24;border-color:#f59e0b5c}.stat-card--due{border-color:color-mix(in srgb,#f59e0b 36%,var(--border) 64%)}.stat-emoji--due{color:#f59e0b;background:#f59e0b24;border-color:#f59e0b5c}.stat-card--learned{border-color:color-mix(in srgb,#f59e0b 36%,var(--border) 64%)}.stat-emoji--learned{color:#f59e0b;background:#f59e0b24;border-color:#f59e0b5c}.stat-card--accuracy{border-color:color-mix(in srgb,#22c55e 36%,var(--border) 64%)}.stat-emoji--accuracy{color:#22c55e;background:#22c55e24;border-color:#22c55e61}:root[data-theme=dark] .stat-emoji--today{color:#7dd3fc;background:#38bdf82e}:root[data-theme=dark] .stat-emoji--notifications{color:#c4b5fd;background:#8b5cf62e}:root[data-theme=dark] .stat-emoji--dictionary{color:#fbbf24;background:#f59e0b2e}:root[data-theme=dark] .stat-emoji--due{color:#fbbf24;background:#f59e0b2e}:root[data-theme=dark] .stat-emoji--learned{color:#fbbf24;background:#f59e0b33}:root[data-theme=dark] .stat-emoji--accuracy{color:#4ade80;background:#22c55e33}.stat-card span{font-size:var(--text-xs);color:var(--text-muted)}.stat-card 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.admin-shield-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 6px 16px #0f9fa84d}.admin-grid{position:relative;z-index:1}.admin-grid .stat-card{background:var(--surface);border:1px solid var(--border);transition:transform .2s ease,box-shadow .25s ease}.admin-grid .stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.admin-grid .stat-card .stat-emoji{font-size:20px;margin-bottom:2px}.admin-dashboard-layout{display:flex;flex-direction:column;gap:24px}.admin-tools-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}@media(max-width:700px){.admin-tools-grid{grid-template-columns:1fr}}.admin-col{display:grid;gap:18px;align-content:start}.admin-search{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.admin-search input{flex:1;min-width:180px;background:var(--surface-muted)}.admin-search-actions{display:flex;gap:8px;flex-wrap:wrap}.btn-compact{padding:10px 14px;font-size:var(--text-sm);border-radius:var(--btn-radius);min-height:var(--btn-height)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:border-color .2s,box-shadow .2s,color .2s,transform .15s}.btn-ghost:hover{border-color:var(--accent);color:var(--text-main);box-shadow:0 0 0 2px var(--accent-soft)}.btn-ghost:active{transform:scale(.97)}.admin-hint{margin-top:8px;font-size:12px;color:var(--text-muted)}.admin-error{margin-top:10px;padding:10px 14px;background:#e11d4814;border:1px solid rgba(225,29,72,.18);border-radius:12px;color:var(--danger);font-size:13px;font-weight:500}:root[data-theme=dark] .admin-error{background:#fb718514;border-color:#fb718526}.admin-user-card{margin-top:16px;padding:18px;border-radius:var(--radius-md);background:var(--surface-glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border);box-shadow:var(--shadow-sm);animation:adminCardSlide .3s ease}@keyframes adminCardSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.admin-user-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}.admin-user-left{display:grid;gap:6px}.admin-user-id-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-user-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;font-weight:600}.admin-user-id{font-size:24px;font-weight:700;color:var(--accent);letter-spacing:.2px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-variant-numeric:tabular-nums}.admin-user-date{display:grid;gap:4px;font-size:12px;color:var(--text-muted);text-align:right}.admin-user-date strong{color:var(--text-main);font-size:13px;font-variant-numeric:tabular-nums}.admin-user-grid{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:14px}.admin-user-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;transition:transform .2s ease,box-shadow .2s ease}.admin-user-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.admin-user-item span{display:block;font-size:11px;color:var(--text-muted);margin-bottom:6px;font-weight:500}.admin-user-item strong{font-size:15px;color:var(--text-main);font-weight:700;font-variant-numeric:tabular-nums}.admin-user-card.compact{padding:16px}.admin-user-card.compact .admin-user-grid{margin-top:12px}.admin-recent-list{display:grid;gap:10px}.admin-recent-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:border-color .2s,box-shadow .25s,transform .2s,background .2s;text-align:left;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;color:var(--text-main)}.admin-recent-row:hover{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft),var(--shadow-sm);transform:translateY(-1px)}.admin-recent-row:active{transform:scale(.985)}.admin-recent-left{display:flex;align-items:center;gap:12px}.admin-avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0;box-shadow:0 4px 10px #0000001f}.admin-avatar.av-0{background:linear-gradient(135deg,#0ea5e9,#06b6d4)}.admin-avatar.av-1{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.admin-avatar.av-2{background:linear-gradient(135deg,#f59e0b,#f97316)}.admin-avatar.av-3{background:linear-gradient(135deg,#10b981,#14b8a6)}.admin-avatar.av-4{background:linear-gradient(135deg,#ec4899,#f43f5e)}.admin-recent-main{display:grid;gap:4px}.admin-recent-main strong{font-size:14px}.admin-recent-main span{font-size:11px;color:var(--text-muted)}.admin-recent-meta{display:grid;gap:4px;font-size:12px;color:var(--text-muted);text-align:right}.admin-broadcast-panel{border-top:3px solid;border-image:linear-gradient(90deg,var(--accent),var(--accent-2)) 1}.admin-message{display:grid;gap:10px}.admin-message textarea{background:var(--surface-muted);border-radius:14px;min-height:100px}.admin-message-row{display:grid;gap:6px}.admin-message-row label{font-size:12px;color:var(--text-muted);font-weight:600}.admin-message-row small{font-size:11px;color:var(--text-muted)}.admin-counter{justify-self:end;font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums}.admin-counter.is-warn{color:var(--danger);font-weight:600}.admin-photo-preview{border-radius:14px;overflow:hidden;border:1px solid var(--border);background:var(--surface-muted);box-shadow:var(--shadow-sm)}.admin-photo-preview img{display:block;width:100%;max-height:220px;object-fit:cover}.admin-preview{border:1px solid var(--border);border-radius:12px;background:var(--surface-muted);padding:12px;display:grid;gap:8px}.admin-preview-title{font-size:var(--text-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;font-weight:700}.admin-preview-photo{border-radius:10px;overflow:hidden;border:1px solid var(--border)}.admin-preview-photo img{display:block;width:100%;max-height:180px;object-fit:cover}.admin-preview-text{margin:0;font-size:var(--text-sm);color:var(--text-main);white-space:pre-wrap;word-break:break-word}.admin-preview-empty{margin:0;font-size:var(--text-sm);color:var(--text-muted)}.admin-message-note{margin-top:10px;padding:10px 14px;background:#16a34a14;border:1px solid rgba(22,163,74,.18);border-radius:12px;font-size:13px;color:var(--success);font-weight:500}.admin-shell{display:grid;gap:14px}.admin-top-panel{padding:18px}.admin-top-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.admin-title{margin:0;display:inline-flex;align-items:center;gap:8px;font-size:18px}.admin-refresh-btn{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:8px 12px}.spin{animation:spin .9s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.admin-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.admin-metric{border:1px solid var(--border);border-radius:14px;background:var(--surface-muted);padding:10px 12px;display:grid;grid-template-columns:auto 1fr;grid-template-areas:"icon value" "label label";align-items:center;row-gap:6px;column-gap:10px}.admin-metric-icon{grid-area:icon;width:32px;height:32px;border-radius:10px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;color:var(--accent)}.admin-metric-icon svg{display:block}.admin-metric--users .admin-metric-icon{background:#38bdf829;border-color:#38bdf859;color:#38bdf8}.admin-metric--active .admin-metric-icon{background:#22c55e29;border-color:#22c55e59;color:#22c55e}.admin-metric--new .admin-metric-icon{background:#a78bfa29;border-color:#a78bfa59;color:#a78bfa}.admin-metric--words .admin-metric-icon{background:#f59e0b29;border-color:#f59e0b59;color:#f59e0b}.admin-metric--notify .admin-metric-icon{background:#fb718529;border-color:#fb718559;color:#fb7185}.admin-metric span{grid-area:label;font-size:var(--text-xs);color:var(--text-muted);line-height:1.25}.admin-metric strong{grid-area:value;justify-self:end;font-size:var(--text-xl);line-height:1;font-variant-numeric:tabular-nums}.admin-main-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.admin-block{padding:18px}.admin-block--broadcast{order:1}.admin-block--lookup{order:2}.admin-block h2{margin-bottom:12px}.admin-placeholder{border:1px dashed var(--border);border-radius:12px;padding:14px;color:var(--text-muted);font-size:13px}.admin-state{margin-top:10px;border:1px dashed var(--border);border-radius:12px;padding:10px 12px;font-size:var(--text-sm);color:var(--text-muted)}.admin-state--loading{display:inline-flex;align-items:center;gap:8px}.admin-state--loading:before{content:"";width:12px;height:12px;border-radius:999px;border:2px solid color-mix(in srgb,var(--accent) 35%,var(--border) 65%);border-top-color:var(--accent-strong);animation:spin .8s linear infinite}.admin-state--error{border-style:solid;border-color:color-mix(in srgb,var(--danger) 30%,var(--border) 70%);color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent 92%)}.admin-user-card--clean{margin-top:14px;padding:16px}.admin-recent-list-clean{display:grid;gap:8px}.admin-recent-row-clean{width:100%;border:1px solid var(--border);background:var(--surface-muted);border-radius:12px;padding:12px 14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;text-align:left;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s}.admin-recent-row-clean:hover{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.admin-recent-row-clean:active{transform:scale(.995)}.admin-recent-col{display:grid;gap:4px}.admin-recent-col span{font-size:10px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted)}.admin-recent-col strong{font-size:13px;font-weight:600;color:var(--text-main);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-recent-col--id strong{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px}.admin-recent-col--date strong{font-size:12px}@media(max-width:980px){.admin-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-user-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.admin-main-grid{grid-template-columns:1fr;gap:12px}.admin-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.admin-top-head{flex-direction:row;align-items:center;margin-bottom:10px}.admin-refresh-btn{width:38px;min-width:38px;min-height:38px;padding:0;justify-content:center;gap:0}.admin-refresh-label{display:none}.admin-block,.admin-top-panel{padding:14px}.admin-metric--notify{grid-column:1 / -1}}@media(max-width:520px){.admin-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-user-grid{grid-template-columns:1fr}}.words-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.words-head h2{margin:0;display:inline-flex;align-items:center;gap:8px}.words-total-chip{display:inline-flex;align-items:center;justify-content:center;min-height:23px;padding:0 8px;border-radius:999px;border:1px solid color-mix(in srgb,#38bdf8 34%,var(--border) 66%);background:color-mix(in srgb,var(--surface) 84%,#38bdf8 16%);color:var(--text-main);font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}.words-meta{margin-top:8px;margin-bottom:10px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;color:var(--text-muted);font-size:var(--text-xs)}.words-meta--status{row-gap:6px}.words-meta-separator{opacity:.7}.words-meta-item{font-weight:600}.words-meta-item--due{color:#f97316}.words-meta-item--learned{color:#16a34a}.words-meta-item--new{color:#60a5fa}.word-search input{background:var(--surface-muted);border-radius:14px}.word-list{display:flex;flex-direction:column;gap:10px}.word-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--border);transition:all .2s}.word-item:active{background:var(--surface-muted);transform:scale(.99)}.word-main{flex:1 1 auto;min-width:0;display:grid;gap:4px}.word-main strong{display:block;font-size:16px;margin-bottom:2px}.word-main small{color:var(--text-muted);font-size:13px}.word-actions{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}.word-status{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.2px;border:1px solid transparent;white-space:nowrap}.word-status--learned{color:#16a34a;background:#16a34a1f;border-color:#16a34a57}.word-status--due{color:#f97316;background:#f973161f;border-color:#f9731657}.word-status--new{color:#60a5fa;background:#60a5fa1f;border-color:#60a5fa57}.btn-danger{background:color-mix(in srgb,var(--surface-muted) 86%,var(--danger) 14%);color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 34%,var(--border) 66%);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s,box-shadow .2s,background .2s,transform .15s}.btn-danger:hover{border-color:color-mix(in srgb,var(--danger) 56%,var(--border) 44%);box-shadow:0 0 0 2px color-mix(in srgb,var(--danger) 14%,transparent 86%);background:color-mix(in srgb,var(--surface-muted) 80%,var(--danger) 20%)}.btn-danger:active{transform:scale(.97)}.btn-danger-icon{width:38px;height:38px;padding:0;flex:0 0 auto}.actions{display:flex;gap:12px;margin-top:24px}.settings-actions{margin-top:8px}.settings-actions--secondary{margin-top:4px;justify-content:flex-end}.settings-lang-btn{min-width:0;min-height:38px;padding:6px 14px;border-radius:999px;font-size:15px;gap:6px}.invite-row{display:flex;align-items:center;justify-content:flex-start;width:100%}.invite-cta{position:relative;display:flex;align-items:center;justify-content:center;min-height:50px;padding:10px 16px;border-radius:999px;border:1px solid rgba(59,130,246,.4);background:linear-gradient(180deg,#49b8ff,#2c9ff1);color:#f8fdff;font-size:14px;font-weight:700;letter-spacing:.15px;box-shadow:0 10px 20px #2a9df242;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}.invite-cta--full{width:100%;border-radius:14px}.invite-cta-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;pointer-events:none}.invite-cta-badge{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;min-width:28px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#f8fdff38;border:1px solid rgba(248,253,255,.35);color:#f8fdff}.invite-cta:hover{filter:brightness(1.04);box-shadow:0 12px 24px #2a9df252}.invite-cta:active{transform:translateY(1px) scale(.98)}.invite-cta:focus-visible{outline:2px solid color-mix(in srgb,#2a9df2 56%,var(--surface) 44%);outline-offset:2px}:root[data-theme=dark] .invite-cta{border-color:#7dd3fc59;box-shadow:0 10px 22px #38bdf847}:root[data-theme=dark] .invite-cta-badge{background:#0f172a47;border-color:#bae6fd66;color:#e2f7ff}:root[data-theme=dark] .invite-cta:hover{box-shadow:0 12px 26px #38bdf85c}.btn-primary{flex:1;background:color-mix(in srgb,var(--surface-muted) 88%,#ffffff 12%);color:var(--text-main);border:1px solid color-mix(in srgb,var(--border) 78%,var(--accent) 22%);padding:10px 16px;min-height:var(--btn-height);border-radius:var(--btn-radius);font-weight:600;font-size:var(--text-sm);box-shadow:var(--shadow-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:border-color .2s,box-shadow .2s,background .2s,transform .15s}.btn-primary:hover{border-color:color-mix(in srgb,var(--accent-strong) 48%,var(--border) 52%);background:color-mix(in srgb,var(--surface-muted) 82%,var(--accent-soft) 18%);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 14%,transparent 86%),var(--shadow-sm)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.btn-admin-send{width:100%;flex:unset}.btn-admin-send:disabled{opacity:.56;cursor:not-allowed;box-shadow:none}.btn-secondary{padding:10px 16px;min-height:var(--btn-height);background:transparent;border:1px solid var(--border);color:var(--text-muted);border-radius:var(--btn-radius);font-weight:600;font-size:var(--text-sm);cursor:pointer}.notice{padding:12px 14px;background:#16a34a1a;color:var(--success);border-radius:12px;font-size:14px;text-align:center;margin-bottom:16px;border:1px solid rgba(22,163,74,.2)}:root[data-lite-ui=true] .tabs-container,:root[data-lite-ui=true] .admin-user-card{backdrop-filter:none;-webkit-backdrop-filter:none}:root[data-lite-ui=true] .panel,:root[data-lite-ui=true] .tabs-container,:root[data-lite-ui=true] .tab-btn.active,:root[data-lite-ui=true] .btn-primary,:root[data-lite-ui=true] .btn-secondary,:root[data-lite-ui=true] .chip-btn,:root[data-lite-ui=true] .user-pill,:root[data-lite-ui=true] .stat-card,:root[data-lite-ui=true] .word-item{box-shadow:none}:root[data-lite-ui=true] .streak-flame.is-lit,:root[data-lite-ui=true] .spin{animation:none}:root[data-lite-ui=true] .btn-primary,:root[data-lite-ui=true] .btn-secondary,:root[data-lite-ui=true] .chip-btn,:root[data-lite-ui=true] .tab-btn,:root[data-lite-ui=true] .word-item{transition:none}@media(max-width:600px){.app{padding:18px 16px 28px}.sheet-overlay{--sheet-top-gap: calc(clamp(56px, 9dvh, 76px) + env(safe-area-inset-top)) ;--sheet-side-gap: 12px;--sheet-bottom-gap: calc(12px + env(safe-area-inset-bottom)) }.sheet-card{width:100%;border-radius:22px}.header{flex-direction:row;align-items:flex-start}.header-right{width:100%;justify-content:flex-end;align-items:flex-start}.user-pill{align-self:auto}.milestones{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.two{grid-template-columns:1fr}.inline-controls{justify-content:flex-end}.invite-row{width:100%}.invite-cta{max-width:100%}.tab-btn{padding:8px 4px}.tab-label{font-size:11px}.admin-search{flex-direction:column;align-items:stretch}.admin-recent-row{flex-direction:column;align-items:flex-start}.admin-recent-meta{text-align:left}.admin-layout{grid-template-columns:1fr}.admin-user-date{text-align:left}}