:root{color-scheme:light;--bg: #eef3f0;--surface: #ffffff;--surface-soft: #f4f7f5;--ink: #14211f;--muted: #64726f;--line: #d8e0dd;--teal: #0b7d73;--teal-dark: #045c55;--coral: #d05b45;--gold: #c39134;--green-soft: #dff0ea;--error-soft: #ffe5df;--shadow: 0 18px 45px rgba(26, 43, 39, .13);--radius: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.5;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;background:linear-gradient(180deg,#102d2914,#102d2900 340px),linear-gradient(135deg,rgba(11,125,115,.11),rgba(208,91,69,.05) 52%,transparent),var(--bg)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}a{color:inherit}.app-shell{width:min(1580px,calc(100% - 28px));min-height:100vh;margin:0 auto;display:flex;flex-direction:column;gap:14px;padding:14px 0 18px}.topbar,.site-footer{display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{display:inline-flex;align-items:center;min-width:0;gap:10px;color:inherit;text-decoration:none}.brand-mark{width:42px;height:42px;display:grid;place-items:center;flex:0 0 auto;border-radius:var(--radius);color:#fff;background:linear-gradient(135deg,var(--teal),#38a07e);box-shadow:0 10px 28px #0b7d7338}.brand strong{display:block;font-size:18px;line-height:1.15}.brand small{display:block;color:var(--muted);font-size:12px}.top-actions,.player-actions,.channel-card-actions,.dialog-links{display:flex;align-items:center;gap:8px}.icon-button,.command-button,.favorite-chip{min-height:38px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffe6;color:var(--ink);transition:border-color .16s ease,background .16s ease,color .16s ease,transform .16s ease}.icon-button{width:38px;height:38px;display:inline-grid;place-items:center;text-decoration:none}.icon-button.accent{border-color:#d05b4557;color:var(--coral);background:#fff7f4}.icon-button:hover,.command-button:hover,.favorite-chip:hover{border-color:#0b7d7373;transform:translateY(-1px)}.icon-button:focus-visible,.command-button:focus-visible,.favorite-chip:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(11,125,115,.22);outline-offset:2px}.command-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;font-weight:800}.command-button.primary{color:#fff;border-color:var(--teal);background:var(--teal)}.command-button.feedback-button{color:var(--muted);border-color:#d8e0ddf2;background:#ffffffb8}.command-button.compact{min-height:34px;padding:0 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#1a2b271a}.channel-card.active{background:linear-gradient(180deg,#f7fffc,#fff)}.channel-main{min-width:0;width:100%;display:grid;grid-template-columns:56px minmax(0,1fr);gap:10px;align-items:center;padding:0;border:0;background:transparent;color:inherit;text-align:left}.channel-copy{min-width:0;display:grid;gap:3px}.channel-copy strong,.channel-copy span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.channel-copy strong{font-size:16px}.channel-copy span{color:var(--muted);font-size:12px}.channel-card-actions{justify-content:space-between}.status-panel{margin-bottom:12px}.loading-card,.empty-card{min-height:130px;display:grid;place-items:center;gap:10px;padding:18px;border:1px dashed var(--line);border-radius:var(--radius);background:#ffffff9e;color:var(--muted);text-align:center}.loading-card svg{animation:spin 1s linear infinite}.error-card{color:#8f3528;background:var(--error-soft)}.load-more-wrap{display:flex;justify-content:center;margin-top:14px}.load-more-wrap [hidden]{display:none}.site-footer{flex-wrap:wrap;padding:2px 0;color:var(--muted);font-size:13px}.site-footer a,.dialog-links a{color:var(--teal-dark);font-weight:800;text-decoration:none}.support-dialog{width:min(620px,calc(100vw - 28px));padding:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);box-shadow:var(--shadow)}.support-dialog::backdrop{background:#0d17157a}.close-dialog{position:absolute;top:10px;right:10px}.dialog-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:20px;align-items:center;padding:28px}.dialog-grid img{width:100%;max-height:260px;object-fit:contain;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.dialog-grid h2{margin:4px 0 8px;font-size:26px}.dialog-grid p{margin:0 0 14px;color:var(--muted)}.dialog-links{flex-wrap:wrap}.dialog-links a{min-height:34px;display:inline-flex;align-items:center;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius)}svg{width:18px;height:18px;stroke-width:2.1}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1040px){.workspace{grid-template-columns:1fr;grid-template-areas:"watch" "playlists" "browse" "favorites" "channels"}.playlist-panel{position:static;max-height:none;overflow:visible}.playlist-stack{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.app-shell{width:min(calc(100% - 20px),1580px);padding-top:10px}.topbar{align-items:flex-start}.brand small{display:none}.top-actions{gap:6px}.icon-button{width:36px;height:36px;min-height:36px}.player-meta,.section-head{flex-direction:column;align-items:stretch}.now-playing{grid-template-columns:56px minmax(0,1fr)}.player-logo,.player-logo-inner{width:56px;height:56px}.player-actions{justify-content:flex-start}.playlist-stack,.filter-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.command-button{min-height:40px}.channel-shelf{grid-auto-columns:minmax(166px,190px)}.shelf-main{min-height:152px}.shelf-logo{width:64px;height:64px}.channel-list{grid-template-columns:1fr}.dialog-grid{grid-template-columns:1fr;padding:24px 18px 18px}.dialog-grid img{max-width:260px;justify-self:center}}