:root {
  color-scheme: dark;
  --bg: #090a0d;
  --panel: #11141a;
  --line: #252a34;
  --text: #f5f7fb;
  --muted: #9da7b7;
  --accent: #21c187;
  --accent-2: #ff4f7b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
}

a {
  color: inherit;
}

.app {
  min-height: 100vh;
  padding: 18px;
}

.player-shell {
  width: min(980px, 100%);
  margin: 0 auto;
}

.admin-shell {
  width: min(760px, 100%);
  margin: 0 auto;
}

.topbar,
.meta-row,
.ad-banner,
.list-panel {
  border: 1px solid var(--line);
  background: var(--panel);
}

.topbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-radius: 8px 8px 0 0;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.share-btn,
.close-btn {
  border: 1px solid var(--line);
  background: #181d26;
  color: var(--text);
  cursor: pointer;
}

.share-btn {
  height: 36px;
  padding: 0 14px;
  border-radius: 7px;
  font-weight: 700;
}

.video-frame {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 24px;
  background: #10131a;
}

.empty-state h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.meta-row {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
  padding: 16px;
}

.meta-row h1 {
  margin: 4px 0 0;
  font-size: 22px;
  line-height: 1.25;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.video-id {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.ad-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 8px;
  text-decoration: none;
}

.ad-banner span {
  grid-row: span 2;
  align-self: center;
  color: #09130f;
  background: var(--accent);
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 900;
}

.ad-banner small {
  color: var(--muted);
}

.list-panel {
  margin-top: 12px;
  padding: 14px;
  border-radius: 8px;
}

.list-panel h2 {
  margin: 0 0 12px;
  font-size: 16px;
}

.video-list {
  display: grid;
  gap: 8px;
}

.video-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #0d1016;
  text-decoration: none;
}

.video-link small {
  color: var(--muted);
}

.ad-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.72);
  z-index: 20;
}

.ad-modal.show {
  display: flex;
}

.ad-card {
  width: min(360px, 100%);
  position: relative;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: #101218;
  padding: 22px;
  text-align: center;
}

.ad-card .eyebrow {
  color: var(--accent-2);
}

.ad-card h2 {
  margin: 8px 0;
}

.ad-card p:not(.eyebrow) {
  color: #59606c;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #101218;
  background: #f2f3f5;
}

.primary-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 0 16px;
  border-radius: 7px;
  background: var(--accent-2);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.admin-form,
.result-box {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}

.ad-settings {
  margin-top: 12px;
  border-radius: 8px;
}

.ad-settings h2 {
  margin: 0;
  font-size: 16px;
}

.admin-form {
  display: grid;
  gap: 12px;
  border-top: 0;
}

.admin-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-form input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #0d1016;
  color: var(--text);
  padding: 0 12px;
  font: inherit;
}

.full-button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.result-box {
  margin-top: 12px;
  border-radius: 8px;
  display: grid;
  gap: 10px;
}

.result-box a {
  overflow-wrap: anywhere;
  color: var(--accent);
}

.admin-app {
  background:
    radial-gradient(circle at top left, rgba(33, 193, 135, 0.08), transparent 34rem),
    var(--bg);
}

.admin-shell {
  width: min(1040px, 100%);
}

.admin-shell .topbar {
  min-height: 72px;
  margin-bottom: 14px;
  border-radius: 8px;
}

.topbar-subtitle {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-card {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(17, 20, 26, 0.96);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.admin-card.admin-form {
  border-top: 1px solid var(--line);
}

.admin-form {
  gap: 18px;
}

.card-heading {
  display: grid;
  gap: 5px;
}

.card-heading h1,
.card-heading h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.card-heading.compact {
  margin-bottom: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-span-2 {
  grid-column: span 2;
}

.admin-form input:focus {
  border-color: rgba(33, 193, 135, 0.8);
  box-shadow: 0 0 0 3px rgba(33, 193, 135, 0.14);
  outline: none;
}

.admin-form input[type="file"] {
  min-height: 44px;
  padding: 9px 12px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

.form-actions .full-button {
  width: auto;
  min-width: 160px;
}

.admin-shell .list-panel {
  margin-top: 12px;
  padding: 16px;
}

@media (max-width: 640px) {
  .app {
    padding: 0;
  }

  .topbar,
  .video-frame,
  .meta-row {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }

  .meta-row {
    display: block;
  }

  .video-id {
    display: block;
    margin-top: 8px;
  }

  .ad-banner,
  .list-panel {
    margin-left: 10px;
    margin-right: 10px;
  }

  .admin-shell .topbar,
  .admin-card,
  .result-box {
    margin-left: 10px;
    margin-right: 10px;
  }

  .admin-shell .topbar {
    align-items: flex-start;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-span-2 {
    grid-column: span 1;
  }

  .form-actions {
    display: block;
  }

  .form-actions .full-button {
    width: 100%;
  }
}