:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a2e;background:#f4f5f7}*{box-sizing:border-box}body{margin:0}.page{max-width:720px;margin:48px auto;padding:0 24px}h1{margin:0 0 4px;font-size:2rem}.subtitle{margin:0 0 24px;color:#6b7280}.subtitle code,code{background:#e8eaf0;padding:1px 6px;border-radius:4px;font-size:.9em}.users{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.users th,.users td{text-align:left;padding:12px 16px;border-bottom:1px solid #eceef1}.users thead th{background:#1a1a2e;color:#fff;font-weight:600}.users tbody tr:last-child td{border-bottom:none}.users tbody tr:hover{background:#f9fafb}.muted{color:#9ca3af}.error{color:#b91c1c;background:#fee2e2;padding:12px 16px;border-radius:8px}.success-msg{color:#166534;background:#dcfce7;padding:12px 16px;border-radius:8px}.notice{color:#1e40af;background:#dbeafe;padding:12px 16px;border-radius:8px}.page__header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.auth-bar{display:flex;align-items:center;gap:8px}.auth-bar__user{color:#374151;font-size:.9rem}.btn{border:1px solid #d1d5db;background:#fff;color:#1a1a2e;padding:8px 14px;border-radius:8px;font-size:.9rem;cursor:pointer;text-decoration:none;display:inline-block}.btn:hover{background:#f3f4f6}.btn--primary{background:#1a1a2e;color:#fff;border-color:#1a1a2e}.btn--primary:hover{background:#2a2a44}.btn--ghost{border-color:transparent;color:#6b7280}.auth-form{background:#fff;border:1px solid #eceef1;border-radius:10px;padding:20px;margin:16px 0 24px;display:flex;flex-direction:column;gap:12px;max-width:420px;box-shadow:0 1px 3px #00000014}.auth-form h2{margin:0 0 4px;font-size:1.2rem}.auth-form label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:#374151}.auth-form input{padding:9px 11px;border:1px solid #d1d5db;border-radius:8px;font-size:.95rem}.auth-form input:focus{outline:none;border-color:#1a1a2e}.hint{color:#9ca3af;font-size:.75rem;font-weight:400}.req{color:#b91c1c}.field-error{color:#b91c1c;font-size:.75rem;font-weight:400}.auth-form input.input--error{border-color:#b91c1c}.auth-form button{align-self:flex-start;background:#1a1a2e;color:#fff;border:none;padding:10px 18px;border-radius:8px;cursor:pointer}.auth-form button:disabled{opacity:.6;cursor:default}.link-button{align-self:flex-start;background:none!important;border:none!important;color:#2563eb!important;padding:0!important;font-size:.85rem;cursor:pointer;text-decoration:underline}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;white-space:nowrap}.badge--ok{background:#dcfce7;color:#166534}.badge--pending{background:#fef9c3;color:#854d0e}.badge--admin{background:#ede9fe;color:#6d28d9}.admin-bar{display:flex;gap:8px;margin:8px 0 16px}.btn--danger{background:#b91c1c;color:#fff;border-color:#b91c1c}.btn--danger:hover{background:#991b1b}.btn--danger:disabled{opacity:.5;cursor:default}.users tr.row--selected td{background:#fef2f2}.pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:18px}.pagination__info{color:#6b7280;font-size:.9rem}.btn{display:inline-flex;align-items:center;gap:6px}.icon-btn{padding:8px}.profile-card{display:flex;align-items:center;gap:20px;background:#fff;border-radius:12px;padding:24px;box-shadow:0 1px 3px #0000001a}.avatar{width:96px;height:96px;border-radius:50%;object-fit:cover;background:#e8eaf0}.avatar--empty{display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;color:#6b7280}.profile-name{font-size:1.4rem;font-weight:600}.settings-card{background:#fff;border-radius:12px;padding:20px 24px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.settings-card h2{margin:0 0 14px;font-size:1.1rem}.avatar-row{display:flex;align-items:center;gap:20px}.toggle{display:flex;align-items:center;gap:10px;cursor:pointer}.page--wide{max-width:920px}.btn--small{padding:4px 9px;font-size:.85rem}.music-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:96px}@media(max-width:720px){.music-grid{grid-template-columns:1fr}}.track-list,.playlist-list{list-style:none;padding:0;margin:10px 0 0}.track,.playlist{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid #f0f1f3}.track--active{background:#eef2ff;border-radius:6px}.track-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-select{border:1px solid #d1d5db;border-radius:6px;padding:3px 6px;font-size:.8rem}.playlist{justify-content:space-between}.playlist--active{background:#eef2ff;border-radius:6px}.playlist-create{display:flex;gap:8px}.playlist-create input{flex:1;padding:8px 11px;border:1px solid #d1d5db;border-radius:8px}.playlist-detail{margin-top:14px;border-top:2px solid #eceef1;padding-top:10px}.playlist-detail h3{margin:0 0 8px}.player{position:fixed;left:0;right:0;bottom:0;background:#1a1a2e;color:#fff;display:flex;align-items:center;gap:16px;padding:10px 20px;flex-wrap:wrap;box-shadow:0 -2px 8px #0003}.player__title{min-width:140px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.player__controls{display:flex;align-items:center;gap:6px}.player__seek{display:flex;align-items:center;gap:8px;flex:1;min-width:220px}.player__seek input{flex:1}.player__time{font-size:.8rem;font-variant-numeric:tabular-nums;opacity:.85}.player__volume{display:flex;align-items:center;gap:6px}.player__volume input{width:90px}.chat-grid{display:grid;grid-template-columns:260px 1fr;gap:16px;align-items:start}@media(max-width:720px){.chat-grid{grid-template-columns:1fr}}.chat-sidebar{background:#fff;border-radius:12px;padding:14px;box-shadow:0 1px 3px #00000014}.chat-newchat{display:flex;gap:6px;margin-bottom:8px}.chat-newchat input{flex:1;min-width:0;padding:6px 8px;border:1px solid #d1d5db;border-radius:8px}.chat-find-error{margin:0 0 10px;padding:6px 10px;font-size:.82rem}.chat-btn{position:relative}.notif-dot{position:absolute;top:-4px;right:-4px;width:11px;height:11px;border-radius:50%;background:#2563eb;border:2px solid #fff}.chat-msg__del{background:none;border:none;cursor:pointer;color:inherit;opacity:.45;font-size:.7rem;margin-left:8px;padding:0}.chat-msg__del:hover{opacity:1}.conversation-list{list-style:none;padding:0;margin:0}.conversation{display:flex;align-items:center;gap:8px;padding:8px;border-radius:8px;border-bottom:1px solid #f0f1f3}.conversation__main{flex:1;min-width:0;cursor:pointer}.conversation__del{background:none;border:none;cursor:pointer;color:#9ca3af;font-size:.85rem;padding:2px 6px}.conversation__del:hover{color:#b91c1c}.conversation:hover{background:#f9fafb}.conversation--active{background:#eef2ff}.conversation__name{display:flex;align-items:center;gap:8px;font-weight:600}.conversation__name-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation__name .badge{flex-shrink:0}.conversation__last{font-size:.8rem;color:#6b7280;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-thread{background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000014;min-height:360px;display:flex;flex-direction:column}.chat-thread h2{margin:0 0 10px}.chat-messages{flex:1;display:flex;flex-direction:column;gap:6px;max-height:420px;overflow-y:auto;padding:4px}.chat-msg{align-self:flex-start;background:#e8eaf0;border-radius:12px;padding:6px 12px;max-width:75%}.chat-msg--mine{align-self:flex-end;background:#1a1a2e;color:#fff}.chat-msg__text{margin-right:8px}.chat-msg__time{font-size:.7rem;opacity:.7}.chat-input{display:flex;gap:8px;margin-top:10px}.chat-input input{flex:1;padding:9px 11px;border:1px solid #d1d5db;border-radius:8px}.chat-section{margin:16px 0 8px;font-size:.95rem;border-top:1px solid #eceef1;padding-top:12px}.group-create{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}.group-create input{padding:6px 8px;border:1px solid #d1d5db;border-radius:8px}.group-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.group-header h2{margin:0;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-header .btn{flex-shrink:0}.group-members{font-size:.82rem;color:#6b7280;margin:6px 0 10px}.group-add{display:flex;gap:6px;margin-top:6px}.group-add input{flex:1;padding:5px 8px;border:1px solid #d1d5db;border-radius:8px}.chat-msg__sender{display:block;font-size:.7rem;font-weight:600;opacity:.8;margin-bottom:2px}.game-scores{display:flex;gap:12px;margin:8px 0 16px;justify-content:center}.score-box{background:#1a1a2e;color:#fff;border-radius:8px;padding:8px 18px;text-align:center;min-width:90px}.score-box span{display:block;font-size:.72rem;text-transform:uppercase;opacity:.7}.score-box strong{font-size:1.3rem}.board{display:block;width:fit-content;margin:0 auto;background:#bbada0;padding:12px;border-radius:10px}.board-row{display:flex}.tile{width:95px;height:95px;margin:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:#776e65;background:#cdc1b4}.tile--0{background:#cdc1b4}.tile--2{background:#eee4da}.tile--4{background:#ede0c8}.tile--8{background:#f2b179;color:#f9f6f2}.tile--16{background:#f59563;color:#f9f6f2}.tile--32{background:#f67c5f;color:#f9f6f2}.tile--64{background:#f65e3b;color:#f9f6f2}.tile--128{background:#edcf72;color:#f9f6f2;font-size:1.75rem}.tile--256{background:#edcc61;color:#f9f6f2;font-size:1.75rem}.tile--512{background:#edc850;color:#f9f6f2;font-size:1.75rem}.tile--1024{background:#edc53f;color:#f9f6f2;font-size:1.35rem}.tile--2048{background:#edc22e;color:#f9f6f2;font-size:1.35rem}.tile-threes--0{background:#cdc1b4}.tile-threes--1{background:#4aa3df;color:#fff}.tile-threes--2{background:#ec6f6f;color:#fff}.tile-threes--high{background:#faf8ef;color:#333}.win-banner{text-align:center;background:#dcfce7;color:#166534;border-radius:8px;padding:10px 16px;margin:0 auto 12px;width:fit-content;font-weight:600}.game-over{margin:16px auto 0;width:fit-content;text-align:center;background:#fff3cd;border:1px solid #ffe69c;border-radius:8px;padding:14px 22px}.game-over p{margin:0;font-weight:600}.game-actions{text-align:center;margin-top:16px}.game-hint{text-align:center;color:#9ca3af;font-size:.8rem;margin-top:12px}.leaderboard-section{margin-top:36px}.leaderboard-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.leaderboard-head h2{margin:0;font-size:1.2rem}.leaderboard-table th,.leaderboard-table td{text-align:center;vertical-align:middle}.leaderboard-table th:nth-child(2),.leaderboard-table td:nth-child(2){text-align:left}.leaderboard-table th:first-child,.leaderboard-table td:first-child{width:44px}.leaderboard-table th:last-child,.leaderboard-table td:last-child,.leaderboard-table th:nth-child(3),.leaderboard-table td:nth-child(3){width:90px}.game-tabs{display:flex;gap:6px;border-bottom:2px solid #eceef1;margin-bottom:14px}.tab{border:none;background:none;padding:8px 16px;font-size:.95rem;cursor:pointer;color:#6b7280;border-bottom:2px solid transparent;margin-bottom:-2px}.tab--active{color:#1a1a2e;font-weight:600;border-bottom-color:#1a1a2e}.player-cell{display:inline-flex;align-items:center;gap:10px}.avatar-sm{width:32px;height:32px;border-radius:50%;object-fit:cover;background:#e8eaf0;flex-shrink:0}.avatar-sm--empty{display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:#6b7280}.verify{background:#fff;border-radius:10px;padding:28px;box-shadow:0 1px 3px #0000001a;border-left:5px solid #9ca3af}.verify--ok{border-left-color:#16a34a}.verify--error{border-left-color:#b91c1c}.verify h1{margin-top:0}