:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a4;
  --primary: #4f7cff;
  --primary-2: #3a63d8;
  --danger: #ef4444;
  --ok: #22c55e;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px 20px; }
.logo {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: grid; place-items: center; font-weight: 800; letter-spacing: .5px;
}
.brand-title { font-weight: 700; font-size: 15px; }
.brand-sub { color: var(--muted); font-size: 12px; }
nav { display: flex; flex-direction: column; gap: 4px; }
.nav-btn {
  display: flex; align-items: center; gap: 10px;
  background: transparent; border: none; color: var(--muted);
  padding: 11px 12px; border-radius: 10px; cursor: pointer;
  font-size: 14px; text-align: left; transition: .15s;
}
.nav-btn span { font-size: 16px; }
.nav-btn:hover { background: var(--panel-2); color: var(--text); }
.nav-btn.active { background: var(--primary); color: #fff; }
.sidebar-foot { margin-top: auto; color: var(--muted); font-size: 11px; padding: 8px; }

/* Content */
.content { flex: 1; overflow-y: auto; padding: 28px 32px; }
.view { display: none; }
.view.active { display: block; }
.view-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; gap: 16px; }
.view-head h1 { margin: 0; font-size: 24px; }
.muted { color: var(--muted); margin: 4px 0 0; font-size: 13px; }

/* Buttons */
.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 9px 16px; border-radius: 9px; cursor: pointer; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px; transition: .15s;
}
.btn:hover { border-color: #3a4150; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-2); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(239,68,68,.1); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.icon-btn { background: transparent; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.icon-btn:hover { color: var(--text); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.pill {
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
}
.pill.on { color: var(--ok); border-color: rgba(34,197,94,.4); }
.pill.off { color: var(--muted); }
.kv { color: var(--muted); font-size: 13px; margin: 3px 0; }
.kv b { color: var(--text); font-weight: 600; }
.card-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.keybox {
  font-family: monospace; background: var(--bg); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 6px; font-size: 12px; color: var(--primary);
}

/* Split (playlists) */
.split { display: grid; grid-template-columns: 300px 1fr; gap: 20px; align-items: start; }
.list-col { display: flex; flex-direction: column; gap: 8px; }
.list-item {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; cursor: pointer; transition: .15s;
}
.list-item:hover { border-color: #3a4150; }
.list-item.active { border-color: var(--primary); background: var(--panel-2); }
.list-item .name { font-weight: 600; }
.list-item .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.detail-col { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; min-height: 300px; }
.empty { color: var(--muted); text-align: center; padding: 60px 20px; }

/* Playlist items */
.pl-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 8px;
}
.pl-item .thumb { width: 64px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--bg); flex-shrink: 0; display:grid; place-items:center; font-size:20px; }
.pl-item .info { flex: 1; min-width: 0; }
.pl-item .info .t { font-weight: 600; font-size: 14px; }
.pl-item .info .s { color: var(--muted); font-size: 12px; }
.pl-item .badge { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; padding: 2px 7px; border-radius: 5px; background: var(--bg); color: var(--muted); }
.dur-input { width: 62px; background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 6px; padding: 5px 8px; }
.move-btns { display: flex; flex-direction: column; }
.move-btns button { background: none; border: none; color: var(--muted); cursor: pointer; padding: 0 4px; line-height: 1; }
.move-btns button:hover { color: var(--text); }

/* Media grid */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.media-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.media-card .preview { width: 100%; height: 120px; object-fit: cover; background: var(--bg); display: block; }
.media-card .preview.vid { display: grid; place-items: center; font-size: 34px; color: var(--muted); }
.media-card .meta { padding: 8px 10px; }
.media-card .meta .n { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.media-card .meta .b { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.media-card .type { font-size: 10px; text-transform: uppercase; color: var(--muted); }

/* Forms */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 10px 12px; font-size: 14px; font-family: inherit;
}
.field textarea { min-height: 90px; resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: grid; place-items: center; z-index: 100; padding: 20px; }
.modal-overlay[hidden] { display: none; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-body { padding: 20px; }

/* Menu builder */
.menu-row { display: grid; grid-template-columns: 1fr 90px 30px; gap: 8px; margin-bottom: 8px; }
.menu-row input { background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 7px; padding: 8px 10px; }

/* LUI editor */
.modal.wide { max-width: 720px; }
.lui-section-title { font-size: 13px; color: var(--muted); margin: 18px 0 8px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.lui-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lui-prow { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px; margin-bottom: 8px; }
.lui-prow .top { display: flex; gap: 8px; }
.lui-prow input, .lui-drow input { background: var(--panel); border: 1px solid var(--border); color: var(--text); border-radius: 6px; padding: 7px 9px; font-size: 13px; width: 100%; font-family: inherit; }
.lui-prow .p-desc { margin-top: 6px; }
.lui-drow { display: grid; grid-template-columns: 1fr 90px 28px; gap: 8px; margin-bottom: 6px; align-items: center; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 20px; border-radius: 10px; z-index: 200; font-size: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.toast.ok { border-color: rgba(34,197,94,.5); }
.toast.err { border-color: rgba(239,68,68,.5); }

.upload-progress { margin-bottom: 16px; color: var(--muted); font-size: 13px; }

.chooser-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-height: 300px; overflow-y: auto; }
.chooser-item { border: 2px solid transparent; border-radius: 8px; cursor: pointer; overflow: hidden; background: var(--bg); }
.chooser-item.sel { border-color: var(--primary); }
.chooser-item img, .chooser-item .vid { width: 100%; height: 70px; object-fit: cover; display: grid; place-items: center; font-size: 24px; color: var(--muted); }