:root {
  color-scheme: dark;
  --bg: #111315;
  --panel: #191d20;
  --panel-2: #20252a;
  --line: #333a41;
  --text: #f4f7f8;
  --muted: #9aa6ad;
  --accent: #2dbd8f;
  --accent-2: #f0b84f;
  --danger: #ec6a5e;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  min-height: 100vh;
  padding: 18px;
}

.player-panel,
.side-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-width: 0;
}

.player-panel {
  display: grid;
  grid-template-rows: minmax(260px, 1fr) auto;
  overflow: hidden;
}

.video-frame {
  position: relative;
  background: #050607;
  min-height: 260px;
}

video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: contain;
  background: #050607;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  padding: 24px;
  color: var(--muted);
  pointer-events: none;
}

.empty-state strong {
  color: var(--text);
  font-size: clamp(28px, 7vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

.now-playing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}

.label,
label span {
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 4px 0 0;
  font-size: 20px;
  line-height: 1.25;
  word-break: break-word;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--danger);
  cursor: pointer;
}

.side-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 14px 10px;
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.view {
  display: none;
  min-height: 0;
  overflow: auto;
  padding: 16px;
}

.view.active {
  display: block;
}

.search,
.source-form label {
  display: grid;
  gap: 7px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #101315;
  color: var(--text);
  border-radius: 8px;
  padding: 11px 12px;
  outline: none;
}

textarea {
  min-height: 142px;
  resize: vertical;
  line-height: 1.45;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
}

.stats {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  padding: 12px 0;
}

.item-list,
.source-list {
  display: grid;
  gap: 8px;
}

.item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 8px;
  padding: 11px 12px;
  cursor: pointer;
}

.item:hover,
.item:focus-visible {
  border-color: var(--accent);
}

.item.unsupported,
.item:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.item small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.source-form {
  display: grid;
  gap: 13px;
}

.bulk-import {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.bulk-import label {
  display: grid;
  gap: 7px;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

button[type="submit"],
.secondary {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 11px 12px;
  cursor: pointer;
}

button[type="submit"] {
  background: var(--accent);
  color: #06110e;
}

.secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.notice,
.source-card {
  border: 1px solid var(--line);
  background: var(--panel-2);
  border-radius: 8px;
  padding: 12px;
  margin-top: 14px;
}

.notice p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.library-hint {
  margin: 0 0 12px;
}

.source-card {
  margin-top: 0;
}

.source-card strong,
.source-card span {
  display: block;
}

.source-card span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.source-card button {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--danger);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(320px, 48vh) minmax(0, 1fr);
    min-height: 100dvh;
    padding: 10px;
  }

  .side-panel {
    min-height: 360px;
  }

  .button-row {
    grid-template-columns: 1fr;
  }
}