/*
  Phase 6 Creator Studio — shared tab nav + "My Videos" management page.
  Reuses tokens.css variables and components.css primitives (.card, .btn,
  .field, .input, .alert) rather than redefining them, same convention as
  every other page-specific stylesheet in this app (home.css, watch.css,
  shorts.css).
*/

/* ---------------------------------------------------------------------
   Studio tab nav (partials/studio-nav.php)
---------------------------------------------------------------------- */
.studio-nav {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.studio-nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.studio-nav-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  white-space: nowrap;
}

.studio-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex: 1;
}

.studio-tab {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-muted);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

a.studio-tab:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

.studio-tab--active {
  background: var(--color-surface-strong);
  color: var(--color-ink);
}

.studio-tab--disabled {
  color: var(--color-faint);
  cursor: default;
  opacity: 0.6;
}

/* ---------------------------------------------------------------------
   My Videos page (studio/videos.php)
---------------------------------------------------------------------- */
.studio-page {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

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

.studio-page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

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

.studio-video-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3);
}

.studio-video-thumb {
  position: relative;
  flex: 0 0 160px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(124,92,252,0.25), rgba(33,209,159,0.15));
}

.studio-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.studio-video-thumb-placeholder {
  width: 100%;
  height: 100%;
}

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

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

.studio-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}

.studio-badge--ready { color: var(--color-payout-strong); border-color: rgba(33,209,159,0.35); }
.studio-badge--processing,
.studio-badge--uploading { color: var(--color-warn); border-color: rgba(255,180,84,0.35); }
.studio-badge--failed { color: var(--color-edge); border-color: rgba(255,77,109,0.35); }

.studio-video-title {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.studio-video-stats {
  font-size: var(--text-xs);
  color: var(--color-faint);
}

.studio-video-failure {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-edge);
}

.studio-video-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 0 0 auto;
}

.studio-btn-danger:hover {
  border-color: rgba(255,77,109,0.4);
  color: var(--color-edge);
  background: rgba(255,77,109,0.08);
}

@media (max-width: 640px) {
  .studio-video-card {
    flex-wrap: wrap;
  }
  .studio-video-thumb {
    flex-basis: 100%;
  }
  .studio-video-actions {
    flex-direction: row;
    width: 100%;
  }
  .studio-video-actions .btn {
    flex: 1;
  }
}

/* =====================================================================
   Advertiser Analytics Dashboard — Checkpoint E
   ===================================================================== */

/* ---- KPI card grid ---- */
.adv-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.adv-kpi-card {
  padding: var(--space-4);
}

.adv-kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  word-break: break-word;
}

.adv-kpi-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.adv-kpi-sublabel {
  font-size: var(--text-xs);
  color: var(--color-faint);
  line-height: 1.4;
}

/* ---- Help tooltip ---- */
.adv-help {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  font-size: 8px;
  font-weight: 700;
  color: var(--color-faint);
  cursor: help;
  flex-shrink: 0;
  vertical-align: middle;
  text-transform: none;
  letter-spacing: 0;
}

.adv-help::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  background: var(--color-void-raised);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-muted);
  text-align: left;
  white-space: normal;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out);
  z-index: 20;
  box-shadow: var(--shadow-md);
}

.adv-help:hover::after,
.adv-help:focus-visible::after { opacity: 1; }

/* ---- Date range selector ---- */
.adv-range-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.adv-date-range {
  display: inline-flex;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.adv-date-btn {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.adv-date-btn:hover { color: var(--color-ink); background: var(--color-surface-strong); }

.adv-date-btn[aria-pressed="true"] {
  background: var(--gradient-signal);
  color: #fff;
}

/* ---- Section heading ---- */
.adv-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.adv-section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-md);
  margin: 0;
}

/* ---- Chart metric toggle ---- */
.adv-toggle {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.adv-toggle-btn {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.adv-toggle-btn:hover { border-color: var(--color-border-strong); color: var(--color-ink); }

.adv-toggle-btn[aria-pressed="true"] {
  background: var(--color-surface-strong);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}

/* ---- Bar chart ---- */
.adv-chart-bars {
  display: flex;
  align-items: flex-end;
  height: 140px;
  gap: 2px;
}

.adv-chart-date-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-faint);
}

/* ---- Inline loading state ---- */
.adv-loading-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  color: var(--color-faint);
  font-size: var(--text-sm);
}

/* ---- Campaign comparison table ---- */
.adv-table-scroll { overflow-x: auto; }

.adv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.adv-table th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  color: var(--color-faint);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  background: var(--color-surface);
}

.adv-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink);
  white-space: nowrap;
  vertical-align: middle;
}

.adv-table tr:last-child td { border-bottom: none; }
.adv-table .col-muted { color: var(--color-muted); }
.adv-table .col-na { color: var(--color-faint); }
.adv-table .col-actions { text-align: right; }

/* ---- Effective status badges ---- */
.adv-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
}

.adv-status--active         { background: rgba(33,209,159,0.12); color: var(--color-payout-strong); border-color: rgba(33,209,159,0.35); }
.adv-status--scheduled      { background: rgba(124,92,252,0.10); color: var(--color-signal-strong); border-color: rgba(124,92,252,0.30); }
.adv-status--paused         { background: rgba(255,180,84,0.12); color: var(--color-warn); border-color: rgba(255,180,84,0.40); }
.adv-status--budget-exhausted { background: rgba(255,77,109,0.10); color: var(--color-edge); border-color: rgba(255,77,109,0.35); }
.adv-status--draft,
.adv-status--completed,
.adv-status--archived       { background: var(--color-surface); color: var(--color-muted); border-color: var(--color-border); }

/* ---- Lifetime metric summary strip (campaign detail) ---- */
.adv-lifetime-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.adv-lifetime-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 100px;
}

.adv-lifetime-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.adv-lifetime-label {
  font-size: var(--text-xs);
  color: var(--color-faint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- Period metrics grid (campaign detail) ---- */
.adv-period-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* ---- Factual signal banner ---- */
.adv-signal {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.adv-signal--warn { border-color: rgba(255,180,84,0.40); background: rgba(255,180,84,0.06); color: var(--color-warn); }
.adv-signal--alert { border-color: rgba(255,77,109,0.35); background: rgba(255,77,109,0.06); color: var(--color-edge); }
.adv-signal--info  { border-color: rgba(124,92,252,0.30); background: rgba(124,92,252,0.06); color: var(--color-signal-strong); }

/* ---- Creative performance rows (campaign detail) ---- */
.adv-creative-analytics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.adv-metric-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 64px;
}

.adv-metric-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  color: var(--color-ink);
}

.adv-metric-value--na {
  color: var(--color-faint);
  font-style: normal;
  font-weight: 400;
}

.adv-metric-label {
  font-size: var(--text-xs);
  color: var(--color-faint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .adv-kpi-grid     { grid-template-columns: repeat(2, 1fr); }
  .adv-period-grid  { grid-template-columns: repeat(2, 1fr); }
  .adv-section-head { align-items: flex-start; flex-direction: column; }
  .adv-lifetime-strip { gap: var(--space-4); }
  .adv-toggle       { gap: var(--space-1); }
}

@media (max-width: 400px) {
  .adv-kpi-grid    { grid-template-columns: 1fr 1fr; }
  .adv-date-btn    { padding: 5px 10px; }
  .adv-toggle-btn  { padding: 4px 10px; }
}

/* ---------------------------------------------------------------------
   Playlists (studio/playlists.php + studio/playlist-detail.php) — reuses
   .studio-video-list/.studio-video-card/.studio-video-actions/.studio-badge
   as-is for the video rows on the detail page (same visual language as My
   Videos), this block only adds the playlist-level list/card, which has no
   thumbnail column.
---------------------------------------------------------------------- */
.studio-playlist-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.studio-playlist-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
}

.studio-playlist-info {
  flex: 1;
  min-width: 0;
}

/* ---------------------------------------------------------------------
   Edit dialog (native <dialog>, first use of one in this app)
---------------------------------------------------------------------- */
.studio-edit-dialog {
  width: min(480px, calc(100vw - var(--space-6)));
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-void-raised);
  color: var(--color-ink);
  box-shadow: var(--shadow-md);
}

.studio-edit-dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
}

.studio-edit-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-5);
}