*{box-sizing:border-box}:root{--bg: #080810;--bg-panel: #11111c;--border: #1f1f2e;--text: #e2e8f0;--text-dim: #94a3b8;--accent: #9736E7;--accent-hover: #a855f7;--danger: #ef4444;--ok: #22c55e;--backdrop: rgba(0, 0, 0, .72)}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}button{cursor:pointer;border:0;padding:12px 20px;border-radius:6px;font-size:14px;font-weight:600;background:var(--accent);color:#fff;transition:background .15s}button:hover{background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}input{width:100%;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;outline:none}input:focus{border-color:var(--accent)}input[type=checkbox],input[type=radio]{width:auto;padding:0;margin:0;background:transparent;border:none;accent-color:var(--accent)}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}code{background:var(--border);padding:2px 6px;border-radius:4px;font-size:13px;color:#a78bfa}.app-layout{display:flex;min-height:100vh}.app-topbar,.app-backdrop{display:none}.app-sidebar{width:240px;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;position:sticky;top:0;height:100vh}.app-main{flex:1;padding:32px 40px;overflow:auto}@media (max-width: 767.98px){.app-layout{flex-direction:column}.app-topbar{display:flex;align-items:center;gap:8px;position:sticky;top:0;z-index:900;height:56px;padding:0 8px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.app-topbar-logo{height:28px;width:auto}.app-menu-btn{min-width:var(--touch-target);padding:0;display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--text)}.app-menu-btn:hover{background:var(--border)}.app-backdrop,.app-backdrop:hover{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:950;padding:0;border-radius:0;background:var(--backdrop)}.app-sidebar{position:fixed;left:0;z-index:1000;width:min(280px,85vw);overflow-y:auto;transform:translate(-100%);visibility:hidden;transition:transform .18s ease-out,visibility .18s}.app-sidebar.is-open{transform:none;visibility:visible;transition:transform .18s ease-out,visibility 0s}.app-sidebar a,.app-sidebar button,.app-menu-btn{min-height:var(--touch-target)}.app-main{min-width:0;padding:16px}}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header-title{display:flex;align-items:center;gap:12px;min-width:0}.page-header-action{display:flex}@media (max-width: 479.98px){.page-header{flex-direction:column;align-items:stretch;gap:12px}.page-header-action button{min-height:var(--touch-target)}}.playlist-item-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.playlist-item-info{flex:1;min-width:0;overflow-wrap:anywhere}.playlist-item-edit{margin-top:12px;padding-top:12px;border-top:1px solid var(--border);display:grid;gap:12px;grid-template-columns:1fr 1fr 1fr 1fr}.playlist-item-edit.is-video{grid-template-columns:2fr 1fr 1fr 1fr}@media (max-width: 767.98px){.playlist-item-edit,.playlist-item-edit.is-video{grid-template-columns:1fr 1fr}.playlist-item-edit.is-video>:first-child{grid-column:1 / -1}}@media (max-width: 479.98px){.playlist-item-edit,.playlist-item-edit.is-video{grid-template-columns:1fr}.playlist-item-info{flex-basis:calc(100% - 140px)}.playlist-item-row>button{min-height:var(--touch-target)}}