/* ==========================================================================
   Onboarding Studio styles.
   Tone matches incidents.css / teams-onboarding.css while introducing
   a video-library + player workspace.
   ========================================================================== */

.studio-player-empty[hidden],
.studio-player-panel[hidden],
.studio-chat-backdrop[hidden],
.studio-chat-panel[hidden],
.studio-chat-status[hidden] {
  display: none !important;
}

.studio-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-12);
}

.studio-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.95fr);
  gap: var(--space-6);
  padding: var(--space-7);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(37, 99, 235, 0.12);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 38%),
    linear-gradient(135deg, rgba(248, 250, 252, 0.98), rgba(239, 246, 255, 0.98));
}

.studio-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-title {
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}

.studio-subtitle {
  margin: 0;
  max-width: 64ch;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-600);
}

.studio-hero-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: space-between;
}

.studio-promise-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.studio-promise-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.studio-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: 0;
}

.studio-metric {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: var(--shadow-sm);
}

.studio-metric dt {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.studio-metric dd {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 800;
  color: var(--color-gray-900);
}

.studio-banner {
  margin-bottom: var(--space-5);
}

.studio-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.15fr);
  gap: var(--space-5);
  align-items: start;
}

.studio-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.studio-section-sub {
  margin: var(--space-1) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.studio-card-grid {
  display: grid;
  gap: var(--space-3);
}

.studio-video-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
  box-shadow: var(--shadow-sm);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
  text-align: left;
  cursor: pointer;
}

.studio-video-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.42);
  box-shadow: var(--shadow-md);
}

.studio-video-card.is-selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.22), var(--shadow-md);
}

.studio-video-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.studio-tool-mark {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(14, 165, 233, 0.16));
  color: var(--color-primary-dark);
  font-size: var(--font-size-sm);
  font-weight: 800;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.studio-video-card-copy {
  flex: 1;
  min-width: 0;
}

.studio-video-card-title {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: var(--line-height-tight);
}

.studio-video-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.studio-time-pill,
.studio-status-badge,
.studio-tool-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.studio-time-pill {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.studio-status-badge {
  border: 1px solid transparent;
}

.studio-status--todo {
  background: #f8fafc;
  color: #475569;
  border-color: rgba(148, 163, 184, 0.22);
}

.studio-status--watching {
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-dark);
  border-color: rgba(37, 99, 235, 0.22);
}

.studio-status--complete {
  background: rgba(16, 185, 129, 0.14);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.18);
}

.studio-video-card-desc {
  margin: 0;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.studio-card-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.studio-card-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.studio-progress-bar {
  width: 100%;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(148, 163, 184, 0.18);
  overflow: hidden;
}

.studio-progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #2563eb, #0ea5e9);
  transition: width 220ms ease;
}

.studio-video-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.studio-video-card-link {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.studio-video-card-link:hover {
  text-decoration: underline;
}

.studio-player {
  position: sticky;
  top: calc(var(--space-5) + 72px);
  padding: var(--space-6);
}

.studio-player-empty {
  min-height: 540px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-3);
  color: var(--color-gray-500);
}

.studio-player-empty-icon {
  width: 68px;
  height: 68px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.studio-player-empty-title {
  margin: 0;
  font-size: var(--font-size-2xl);
  color: var(--color-gray-900);
}

.studio-player-empty-text {
  margin: 0;
  max-width: 42ch;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.studio-player-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.studio-player-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.studio-player-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.studio-tool-pill {
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-dark);
}

.studio-player-title {
  margin: 0 0 var(--space-2);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

.studio-player-desc {
  margin: 0;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.studio-player-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.studio-video-wrap {
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.96));
  padding: var(--space-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.studio-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #020617;
  border-radius: calc(var(--radius-lg) - 4px);
}

.studio-player-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  gap: var(--space-5);
}

.studio-player-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.studio-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0;
}

.studio-meta-list div {
  padding: var(--space-3);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
}

.studio-meta-list dt {
  margin-bottom: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.studio-meta-list dd {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-900);
}

.studio-meta-list a {
  color: var(--color-primary-dark);
}

.studio-progress-block {
  padding: var(--space-4);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.92), rgba(248, 250, 252, 0.96));
}

.studio-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

.studio-progress-head strong {
  color: var(--color-primary-dark);
}

.studio-player-notice {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(248, 250, 252, 0.96);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.studio-chapters {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.studio-chapters-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.studio-chapters-title {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-900);
}

.studio-chapter-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.studio-chapter-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-3);
  align-items: center;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
  cursor: pointer;
  text-align: left;
}

.studio-chapter-item:hover {
  transform: translateY(-1px);
  border-color: rgba(37, 99, 235, 0.24);
  box-shadow: var(--shadow-sm);
}

.studio-chapter-item.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12);
  background: rgba(239, 246, 255, 0.58);
}

.studio-chapter-time {
  display: inline-flex;
  justify-content: center;
  padding: 6px 8px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.studio-chapter-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-900);
}

.studio-chapter-caption {
  display: block;
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.studio-toast-host {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.studio-toast {
  min-width: 220px;
  max-width: 320px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.92);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
}

.studio-toast.is-success {
  background: rgba(4, 120, 87, 0.94);
}

.studio-toast.is-info {
  background: rgba(37, 99, 235, 0.94);
}

.studio-chat-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
}

.studio-chat-panel {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 1110;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: min(460px, calc(100vw - 32px));
  max-height: min(78vh, 760px);
  padding: var(--space-5);
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.09), transparent 34%),
    rgba(255, 255, 255, 0.98);
  box-shadow: 0 28px 64px rgba(15, 23, 42, 0.24);
}

.studio-chat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.studio-chat-eyebrow {
  margin: 0 0 6px;
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-chat-title {
  margin: 0 0 6px;
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
}

.studio-chat-context,
.studio-chat-hint {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

.studio-chat-status {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
}

.studio-chat-status.is-error {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.18);
  color: #b91c1c;
}

.studio-chat-messages {
  min-height: 220px;
  max-height: 42vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-right: 4px;
}

.studio-chat-empty {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  background: rgba(248, 250, 252, 0.9);
}

.studio-chat-empty strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-gray-900);
}

.studio-chat-empty p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.studio-chat-bubble {
  max-width: 88%;
  padding: var(--space-3) var(--space-4);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.studio-chat-bubble--user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.98), rgba(14, 165, 233, 0.92));
  color: var(--color-white);
  border-bottom-right-radius: 6px;
}

.studio-chat-bubble--assistant {
  align-self: flex-start;
  background: rgba(248, 250, 252, 0.98);
  color: var(--color-gray-800);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-bottom-left-radius: 6px;
}

.studio-chat-links,
.studio-chat-key-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.studio-chat-links a,
.studio-chat-jump {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(37, 99, 235, 0.2);
  background: rgba(239, 246, 255, 0.92);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-decoration: none;
}

.studio-chat-key {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.08);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.studio-chat-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(226, 232, 240, 0.9);
}

.studio-chat-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-gray-700);
}

.studio-chat-input {
  width: 100%;
  min-height: 92px;
  resize: vertical;
  padding: var(--space-3);
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: var(--radius-lg);
  font: inherit;
  color: var(--color-gray-900);
  background: var(--color-white);
}

.studio-chat-input:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: rgba(37, 99, 235, 0.38);
}

.studio-chat-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

@media (max-width: 1100px) {
  .studio-layout {
    grid-template-columns: 1fr;
  }

  .studio-player {
    position: static;
  }

  .studio-player-meta {
    grid-template-columns: 1fr;
  }

  .studio-chat-panel {
    right: 16px;
    left: 16px;
    width: auto;
  }
}

@media (max-width: 820px) {
  .studio-hero {
    grid-template-columns: 1fr;
    padding: var(--space-6);
  }

  .studio-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .studio-player-head {
    flex-direction: column;
  }

  .studio-player-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .studio-shell {
    padding-inline: var(--space-3);
  }

  .studio-hero,
  .studio-player {
    padding: var(--space-5);
  }

  .studio-metrics,
  .studio-meta-list {
    grid-template-columns: 1fr;
  }

  .studio-video-card {
    padding: var(--space-4);
  }

  .studio-video-card-head,
  .studio-video-card-footer,
  .studio-chapters-head,
  .studio-chat-head,
  .studio-chat-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .studio-card-progress-head {
    gap: var(--space-1);
  }

  .studio-player-empty {
    min-height: 360px;
  }

  .studio-chat-panel {
    right: 12px;
    left: 12px;
    bottom: 12px;
    max-height: calc(100vh - 24px);
    padding: var(--space-4);
  }

  .studio-chat-bubble {
    max-width: 100%;
  }
}