:root{--player-height:76px;--sidebar-width:230px;font-family:Hiragino Sans,Noto Sans JP,Yu Gothic,sans-serif}:root,[data-theme=blue]{--bg:#d6e8ff;--bg-elevated:#f2f8ff;--bg-card:#eaf4ff;--bg-hover:#c2dcfb;--text:#12253f;--text-sub:#4a6180;--accent:#1f78fc;--accent-dark:#1560d1;--border:#aecdf0;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root{--sb-bg:var(--bg-elevated);--sb-text:var(--text);--sb-muted:var(--text-sub);--sb-hover:var(--bg-hover);--sb-indicator:var(--accent);--sb-divider:var(--border);--sb-border:var(--border);--sb-badge:var(--accent);--sb-active-pill:var(--accent);--sb-active-pill-text:#fff}:root:not([data-theme=light]):not([data-theme=dark]),[data-theme=blue]{--sb-bg:linear-gradient(180deg, #2a83ff 0%, #1257c4 100%);--sb-text:#fff;--sb-muted:#ffffffd1;--sb-hover:#ffffff29;--sb-indicator:#fff;--sb-divider:#ffffff47;--sb-border:transparent;--sb-badge:#fff;--sb-active-pill:#fff;--sb-active-pill-text:#1f78fc}[data-theme=light]{--bg:#f9f9f9;--bg-elevated:#fff;--bg-card:#fff;--bg-hover:#efefef;--text:#202020;--text-sub:#858585;--accent:#1f78fc;--accent-dark:#1560d1;--border:#d9d9d9;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--bg:#121212;--bg-elevated:#1e1e1e;--bg-card:#232323;--bg-hover:#2e2e2e;--text:#f5f5f5;--text-sub:#9e9e9e;--accent:#4caef5;--accent-dark:#2196f3;--border:#333;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.app-layout{min-height:100vh;display:flex}.sidebar{top:0;left:0;bottom:var(--player-height);width:var(--sidebar-width);background:var(--sb-bg);border-right:1px solid var(--sb-border);z-index:20;flex-direction:column;padding:20px 12px;display:flex;position:fixed}.brand{letter-spacing:.5px;color:var(--sb-text);padding:4px 12px 20px;font-size:22px;font-weight:800}.brand-web{vertical-align:super;color:var(--sb-badge);font-size:11px;font-weight:700}.sidebar-nav{flex-direction:column;gap:4px;display:flex}.sidebar-link{color:var(--sb-muted);border-radius:8px;align-items:center;gap:12px;padding:10px 12px;font-size:14px;font-weight:600;display:flex}.sidebar-link:hover{color:var(--sb-text);background:var(--sb-hover)}.sidebar-link.active{color:var(--sb-text);background:var(--sb-hover);box-shadow:inset 3px 0 0 var(--sb-indicator)}.sidebar-icon{text-align:center;width:20px;font-size:16px}.sidebar-footer{border-top:1px solid var(--sb-divider);margin-top:auto;padding-top:12px}.sidebar-account{color:var(--sb-muted);white-space:nowrap;text-overflow:ellipsis;padding:10px 12px;font-size:13px;overflow:hidden}.app-main{margin-left:var(--sidebar-width);padding:24px;padding-bottom:calc(var(--player-height) + 220px);flex:1;max-width:1200px}.home-tabbar{z-index:15;background:var(--bg);border-bottom:2px solid var(--border);scrollbar-width:thin;gap:4px;margin:-24px 0 16px;padding:8px 0 10px;display:flex;position:sticky;top:0;overflow-x:auto}.home-tab{color:var(--text-sub);white-space:nowrap;background:0 0;border:none;border-radius:8px 8px 0 0;flex:none;padding:10px 16px;font-size:14px;font-weight:700;position:relative}.home-tab:hover{color:var(--text);background:var(--bg-card)}.home-tab-active{color:var(--accent)}.home-tab-tool{color:var(--text-sub);padding:10px 12px;font-size:16px}.tab-edit-row{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:8px 6px;display:flex}.tab-edit-move{flex-direction:column;gap:2px;display:flex}.tab-edit-move button{background:var(--bg-card);border:1px solid var(--border);color:var(--text-sub);cursor:pointer;border-radius:4px;padding:3px 6px;font-size:9px;line-height:1}.tab-edit-move button:disabled{opacity:.3;cursor:default}.tab-edit-label{color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:600;overflow:hidden}.tab-edit-hidden{color:var(--text-sub);opacity:.6}.tab-edit-toggle{color:var(--text-sub);white-space:nowrap;cursor:pointer;align-items:center;gap:6px;font-size:12px;display:flex}.home-tab-active:after{content:"";background:var(--accent);border-radius:2px;height:3px;position:absolute;bottom:-10px;left:8px;right:8px}.tab-actions{align-items:center;gap:12px;margin-bottom:12px;display:flex}.inline-link{color:var(--accent);margin:0 4px}.search-form{gap:12px;margin-bottom:20px;display:flex}.search-form input{background:var(--bg-card);border:1px solid var(--border);max-width:480px;color:var(--text);border-radius:999px;flex:1;padding:12px 20px;font-size:15px}.search-form input:focus{border-color:var(--accent);outline:none}.lead-sub{color:var(--text-sub);margin:0 0 16px;font-size:14px}.chat-layout{height:calc(100vh - var(--player-height) - 180px);gap:16px;min-height:360px;display:flex}.chat-room-list{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;flex-shrink:0;width:280px;padding:8px;overflow-y:auto}.chat-room{width:100%;color:var(--text);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:10px;display:flex}.chat-room:hover{background:var(--bg-hover)}.chat-room-active{background:var(--bg-hover);box-shadow:inset 3px 0 0 var(--accent)}.chat-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:36px;height:36px}.chat-avatar-placeholder{background:var(--bg-hover);justify-content:center;align-items:center;display:inline-flex}.chat-room-meta{flex-direction:column;min-width:0;display:flex}.chat-room-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.chat-room-last{color:var(--text-sub);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.chat-view{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;flex-direction:column;flex:1;min-width:0;display:flex}.chat-view-empty{justify-content:center;align-items:center}.chat-scroll{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.chat-msg{gap:8px;max-width:75%;display:flex}.chat-msg-mine{flex-direction:row-reverse;align-self:flex-end}.chat-sender{color:var(--text-sub);margin-bottom:2px;font-size:12px}.chat-bubble{background:var(--bg-hover);white-space:pre-wrap;word-break:break-word;border-radius:12px;padding:8px 14px;font-size:14px}.chat-msg-mine .chat-bubble{background:var(--accent);color:#fff}.chat-time{color:var(--text-sub);margin-top:2px;font-size:11px}.chat-msg-mine .chat-time{text-align:right}.chat-input-row{border-top:1px solid var(--border);gap:10px;padding:12px;display:flex}.chat-input-row input{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:999px;flex:1;padding:10px 18px;font-size:14px}.chat-input-row input:focus{border-color:var(--accent);outline:none}.search-type-tabs{background:var(--bg-card);border:1px solid var(--border);border-radius:999px;gap:4px;margin-bottom:16px;padding:4px;display:inline-flex}.search-type-tab{color:var(--text-sub);background:0 0;border:none;border-radius:999px;padding:8px 20px;font-size:14px;font-weight:700}.search-type-tab:hover{color:var(--text)}.search-type-tab-active{background:var(--accent);color:#fff}.artist-result-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;display:grid}.artist-result-card{background:var(--bg-card);border:1px solid var(--border);color:var(--text);text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:8px;padding:18px 12px;text-decoration:none;display:flex}.artist-result-card:hover{border-color:var(--accent)}.artist-result-card img,.artist-result-placeholder{object-fit:cover;background:var(--bg-hover);border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;font-size:28px;display:inline-flex}.artist-result-name{font-size:14px;font-weight:700}.artist-result-followers{color:var(--text-sub);font-size:12px}.guide-step{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;gap:18px;margin-bottom:18px;padding:22px;display:flex}.guide-step-num{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;font-weight:800;display:flex}.guide-step-body{flex:1;min-width:0}.guide-step-body h3{margin:6px 0 10px;font-size:18px}.guide-step-body p{color:var(--text-sub);margin:0 0 14px;font-size:14px;line-height:1.8}.guide-os-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;display:grid}.guide-os-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.guide-os-card h4{margin:0 0 10px;font-size:15px}.guide-os-card ol{color:var(--text-sub);margin:0;padding-left:20px;font-size:13px;line-height:2}.guide-os-card b{color:var(--accent)}.import-result{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;margin-top:16px;padding:14px 18px}.import-result h4{margin:0 0 8px}.import-result ul{color:var(--text-sub);margin:0;padding-left:4px;font-size:13px;line-height:1.9;list-style:none}.guide-cta{text-decoration:none;display:inline-block}.drive-import{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;margin-bottom:8px;padding:18px 22px}.drive-import-toggle{cursor:pointer;width:100%;color:var(--text);text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;margin-bottom:8px;padding:0;display:flex}.drive-import-toggle-title{font-size:17px;font-weight:700}.drive-import-chevron{color:var(--text-sub);font-size:12px;transition:transform .15s}.drive-import-chevron-open{transform:rotate(180deg)}.drive-guide{color:var(--text-sub);margin:0 0 16px;padding-left:22px;font-size:14px;line-height:2}.drive-guide li{margin-bottom:6px}.drive-guide li::marker{color:var(--accent);font-weight:800}.drive-guide b{color:var(--text)}.drive-file-list{margin:0 0 14px;padding:0;list-style:none}.drive-file-list li{border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:8px 4px;font-size:14px;display:flex}.drive-file-name{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.drive-file-state{color:var(--text-sub);font-size:13px}.library-header{align-items:baseline;gap:16px;margin-top:28px;display:flex}.library-header h2{margin:0}.storage-info{color:var(--text-sub);font-size:13px}.row-play-btn{background:var(--bg-hover) center/cover;color:#fff;text-shadow:0 1px 3px #000c;border:none;border-radius:8px;width:40px;height:40px;font-size:14px}.row-play-btn:hover{outline:2px solid var(--accent)}.row-delete-btn{opacity:.6;background:0 0;border:none;font-size:15px}.row-delete-btn:hover{opacity:1}.settings-card{background:var(--bg-card);border-radius:12px;flex-direction:column;gap:14px;max-width:480px;padding:24px;display:flex}.settings-row{gap:16px;font-size:14px;display:flex}.settings-label{color:var(--text-sub);width:90px}.settings-page .settings-card{max-width:560px;margin-bottom:14px}.settings-profile{align-items:center;gap:16px;display:flex}.settings-avatar{object-fit:cover;border-radius:50%;width:56px;height:56px}.settings-name{font-size:17px;font-weight:800}.settings-gid{color:var(--text-sub);font-size:13px}.settings-row-between{justify-content:space-between;align-items:center;gap:16px;display:flex}.settings-item-title{font-size:15px;font-weight:700}.settings-item-desc{color:var(--text-sub);margin:8px 0 0;font-size:12px;line-height:1.8}.settings-badge{color:var(--text-sub);background:var(--bg-hover);white-space:nowrap;border-radius:999px;padding:4px 12px;font-size:12px}.settings-card-disabled{opacity:.75}.profile-edit-form{flex-direction:column;gap:14px;display:flex}.profile-edit-form label{color:var(--text-sub);flex-direction:column;gap:6px;font-size:13px;display:flex}.profile-edit-form input,.profile-edit-form select,.profile-edit-form textarea{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:15px}.profile-edit-form textarea{resize:vertical;min-height:80px}.settings-select{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 10px;font-size:14px}.yt-pane-hidden{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;overflow:hidden}.crossfade-slider{width:100%;accent-color:var(--accent);margin-top:12px}.settings-version{color:var(--text-sub);margin-top:20px;font-size:12px}.switch{flex-shrink:0;width:48px;height:26px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.switch-slider{background:var(--bg-hover);border:1px solid var(--border);border-radius:999px;transition:background .15s;position:absolute;inset:0}.switch-slider:before{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0000004d}.switch input:checked+.switch-slider{background:#1a1a1a;border-color:#1a1a1a}.switch input:checked+.switch-slider:before{transform:translate(22px)}.switch input:disabled+.switch-slider{opacity:.5}.page-status{text-align:center;color:var(--text-sub);padding:48px}.primary-btn{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:10px 24px;font-size:15px;font-weight:700}.primary-btn:hover{background:var(--accent-dark)}.primary-btn:disabled{opacity:.5;cursor:default}.ghost-btn{color:var(--text-sub);border:1px solid var(--border);background:0 0;border-radius:999px;padding:6px 14px;font-size:13px}.ghost-btn:hover{color:var(--text);border-color:var(--text-sub)}.notice{background:color-mix(in srgb, #e8a020 12%, var(--bg-elevated));border:1px solid color-mix(in srgb, #e8a020 50%, var(--border));color:var(--text);border-radius:8px;margin-top:16px;padding:12px 16px;font-size:13px;line-height:1.7}.home-section{margin-bottom:32px}.home-section h2{margin:0 0 12px;font-size:18px}.tile-row{gap:16px;padding-bottom:8px;display:flex;overflow-x:auto}.tile{background:var(--bg-card);border-radius:10px;flex:0 0 160px;padding:10px;transition:background .15s}.tile:hover{background:var(--bg-hover)}.tile img,.tile-placeholder{object-fit:cover;background:var(--bg-elevated);width:140px;height:105px;color:var(--text-sub);border-radius:6px;justify-content:center;align-items:center;font-size:32px;display:flex}.tile-title{white-space:nowrap;text-overflow:ellipsis;margin-top:8px;font-size:13px;font-weight:600;overflow:hidden}.tile-sub{color:var(--text-sub);font-size:12px}.playlist-header{align-items:center;gap:20px;margin-bottom:16px;display:flex}.playlist-header h1{margin:0;font-size:24px}.song-list{margin:0;padding:0;list-style:none}.song-row{cursor:pointer;border-radius:8px;align-items:center;gap:14px;padding:8px 12px;display:flex}.song-row:hover{background:var(--bg-card)}.song-row-active{background:var(--bg-card);color:var(--accent)}.song-index{text-align:right;width:24px;color:var(--text-sub);font-size:13px}.song-row-active .song-index{color:var(--accent)}.song-row img{object-fit:cover;border-radius:4px;width:64px;height:36px}.song-title{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:14px;overflow:hidden}.song-duration{color:var(--text-sub);font-size:13px}.load-more{margin:16px auto;display:block}.player-bar{z-index:30;height:var(--player-height);background:var(--bg-elevated);border-top:1px solid var(--border);align-items:center;gap:24px;padding:0 24px;display:flex;position:fixed;bottom:0;left:0;right:0}.player-info{align-items:center;gap:12px;width:320px;min-width:0;display:flex}.player-thumb{object-fit:cover;border-radius:4px;width:72px;height:40px}.player-meta{min-width:0}.player-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.player-sub{color:var(--text-sub);font-size:12px}.player-center{flex-direction:column;flex:1;align-items:center;gap:2px;min-width:0;display:flex}.player-controls{align-items:center;gap:12px;display:flex}.player-seek{align-items:center;gap:10px;width:100%;max-width:560px;display:flex}.player-seek input[type=range]{accent-color:var(--accent);flex:1;height:4px}.player-time{color:var(--text-sub);text-align:center;font-variant-numeric:tabular-nums;min-width:34px;font-size:11px}.player-right{align-items:center;gap:8px;display:flex}.volume-icon{font-size:14px}.volume-slider{width:90px;accent-color:var(--accent)}.song-actions{align-items:center;gap:4px;display:flex}.icon-btn{color:var(--text-sub);background:0 0;border:none;border-radius:6px;padding:4px 6px;font-size:16px;line-height:1}.icon-btn:hover{color:var(--text);background:var(--bg-hover)}.icon-btn-fav{color:#e0426e}.modal-overlay{z-index:50;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:12px;width:400px;max-width:calc(100vw - 40px);max-height:80vh;padding:22px;display:flex;overflow-y:auto}.modal h3{margin:0}.modal-song{color:var(--text-sub);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.picker-list{flex-direction:column;gap:4px;max-height:260px;display:flex;overflow-y:auto}.picker-item{color:var(--text);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:8px;font-size:14px;display:flex}.picker-item:hover{background:var(--bg-hover)}.picker-item img,.picker-thumb-placeholder{object-fit:cover;background:var(--bg-card);width:44px;height:30px;color:var(--text-sub);border-radius:4px;justify-content:center;align-items:center;display:inline-flex}.picker-title{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.picker-count{color:var(--text-sub);font-size:12px}.picker-create{gap:8px;display:flex}.picker-create input{background:var(--bg-card);border:1px solid var(--border);color:var(--text);border-radius:8px;flex:1;padding:8px 12px;font-size:14px}.picker-message{color:var(--accent);font-size:13px}.modal-close{align-self:center}.present-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.present-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px}.present-song{align-items:center;gap:12px;display:flex}.present-song img{object-fit:cover;border-radius:6px;width:80px;height:45px}.present-title{font-size:14px;font-weight:700}.present-owner{color:var(--text-sub);font-size:12px}.present-hint{margin-top:10px;font-size:13px}.present-meta{color:var(--text-sub);justify-content:space-between;margin-top:8px;font-size:12px;display:flex}.player-controls button{color:var(--text);background:0 0;border:none;padding:6px;font-size:20px}.player-controls .play-btn{background:var(--accent);border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:flex}.yt-dock{right:16px;bottom:calc(var(--player-height) + 12px);z-index:25;border-radius:10px;position:fixed;overflow:hidden;box-shadow:0 8px 24px #0009}.yt-dock-hidden{opacity:0;pointer-events:none;width:1px;height:1px;overflow:hidden}.yt-tap-overlay{z-index:10;color:#fff;cursor:pointer;background:#0000008c;border:none;justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex;position:absolute;inset:0}.login-page{flex-direction:column;align-items:center;padding-top:48px;display:flex}.login-card{background:var(--bg-card);border-radius:12px;flex-direction:column;gap:16px;width:380px;padding:32px;display:flex}.login-card h1{margin:0 0 8px;font-size:22px}.login-card label{color:var(--text-sub);flex-direction:column;gap:6px;font-size:13px;display:flex}.login-card input{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:10px 12px;font-size:15px}.login-error{color:#e05252;font-size:13px}.login-checkbox{align-items:center;flex-direction:row!important;gap:8px!important}.login-checkbox input{width:auto}.theme-switch{background:var(--sb-hover);border:1px solid var(--sb-divider);border-radius:999px;gap:4px;margin:0 8px 10px;padding:3px;display:flex}.theme-switch button{color:var(--sb-muted);background:0 0;border:none;border-radius:999px;flex:1;padding:6px 0;font-size:11px;font-weight:700}.theme-switch button:hover{color:var(--sb-text)}.theme-switch button.theme-active{background:var(--sb-active-pill);color:var(--sb-active-pill-text)}.login-note{color:var(--text-sub);text-align:center;margin:0;font-size:12px}.app-promo{text-align:center;width:380px;margin-top:16px}.app-promo p{color:var(--text-sub);margin:0 0 8px;font-size:12px}.app-promo-links{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.app-promo-links a{color:var(--accent);font-size:12px;text-decoration:underline}.inline-link-btn{color:var(--accent);text-align:center;cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}.inline-link-btn:hover{text-decoration:underline}.login-divider{color:var(--text-sub);align-items:center;gap:10px;font-size:12px;display:flex}.login-divider:before,.login-divider:after{content:"";background:var(--border);flex:1;height:1px}.sso-buttons{flex-direction:column;align-items:center;gap:10px;display:flex}.sso-google-slot{justify-content:center;width:100%;min-height:40px;display:flex}.sso-btn{border:1px solid var(--border);cursor:pointer;border-radius:8px;width:100%;max-width:320px;padding:10px 16px;font-size:14px;font-weight:600}.sso-apple-btn{color:#fff;background:#000;border-color:#000}.sso-line-btn{color:#fff;background:#06c755;border-color:#06c755}.import-guide{background:var(--bg-card);border-radius:12px;margin-bottom:20px;padding:20px 24px}.import-guide h3{margin:0 0 10px}.import-guide ol{margin:0;padding-left:20px;font-size:14px;line-height:2}.guide-note{color:var(--text-sub);font-size:12px}.drop-zone{border:2px dashed var(--border);text-align:center;color:var(--text-sub);cursor:pointer;border-radius:12px;padding:40px;transition:border-color .15s,background .15s}.drop-zone-over,.drop-zone:hover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent)}.drop-sub{font-size:12px}.import-table{border-collapse:collapse;width:100%;margin:20px 0 16px;font-size:14px}.import-table th{text-align:left;color:var(--text-sub);border-bottom:1px solid var(--border);padding:8px;font-size:12px;font-weight:600}.import-table td{border-bottom:1px solid var(--border);padding:8px}.import-art{object-fit:cover;border-radius:4px;width:40px;height:40px}.import-art-placeholder{background:var(--bg-card);color:var(--text-sub);justify-content:center;align-items:center;display:flex}:root{--bottomnav-height:58px}.mobile-topbar,.bottom-nav,.mobile-sheet-overlay{display:none}@media (width<=1200px){.app-layout{flex-direction:column}.sidebar{display:none}.app-main{max-width:100%;padding:16px 16px calc(var(--player-height) + var(--bottomnav-height) + 32px);margin-left:0}.mobile-topbar{z-index:25;background:var(--sb-bg);border-bottom:1px solid var(--sb-border);justify-content:space-between;align-items:center;height:52px;padding:0 16px;display:flex;position:sticky;top:0}.mobile-topbar .brand{color:var(--sb-text);padding:0}.mobile-topbar .brand-web{color:var(--sb-badge)}.mobile-more-btn{color:var(--sb-text);background:0 0;border:none;border-radius:8px;padding:4px 10px;font-size:26px;line-height:1}.bottom-nav{z-index:40;height:calc(var(--bottomnav-height) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:var(--bg-elevated);border-top:1px solid var(--border);display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{color:var(--text-sub);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;min-width:0;font-size:9px;text-decoration:none;display:flex}.bottom-nav-item.active{color:var(--accent)}.bottom-nav-icon{font-size:20px;line-height:1}.bottom-nav-label{white-space:nowrap}.mobile-sheet-overlay{z-index:60;background:#00000073;display:block;position:fixed;inset:0}.mobile-sheet{background:var(--bg-elevated);padding:8px 16px calc(20px + env(safe-area-inset-bottom,0px));border-radius:16px 16px 0 0;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #0000004d}.mobile-sheet-handle{background:var(--border);border-radius:2px;width:40px;height:4px;margin:6px auto 14px}.mobile-sheet-links{flex-direction:column;gap:2px;margin-bottom:14px;display:flex}.mobile-sheet-link{color:var(--text);border-radius:8px;align-items:center;gap:12px;padding:12px;font-size:15px;font-weight:600;text-decoration:none;display:flex}.mobile-sheet-link.active{background:var(--bg-hover);color:var(--accent)}.mobile-sheet-account{color:var(--text-sub);padding:12px;font-size:14px}.mobile-sheet .theme-switch{margin:0}.player-bar{bottom:var(--bottomnav-height);gap:10px;height:60px;padding:0 12px}.player-info{flex:1;order:1;width:auto}.player-thumb{width:44px;height:44px}.player-center{flex:none;order:2}.player-seek{gap:0;max-width:none;padding:0;position:absolute;top:0;left:0;right:0}.player-seek .player-time{display:none}.player-seek input[type=range]{height:3px}.player-controls{gap:18px}.player-controls button{font-size:20px}.play-btn{font-size:24px}.player-right{display:none}.yt-dock{right:8px;bottom:calc(var(--bottomnav-height) + 66px);max-width:calc(100vw - 16px)}.tile{flex-basis:132px}.chat-layout{flex-direction:column;height:auto;min-height:0}.chat-room-list{width:100%;max-height:180px}.chat-view{height:60vh}.import-table{white-space:nowrap;width:100%;font-size:13px;display:block;overflow-x:auto}.search-form input,.settings-page .settings-card,.settings-card{max-width:none}}@media (width<=480px){.app-main{padding-left:12px;padding-right:12px}.home-tab{padding:10px 12px;font-size:13px}h1{font-size:22px}}