/* ============================================================
   Admin panel styles
   Extends app.css with layout + editor components.
   ============================================================ */

.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 100px);
  gap: 1.25rem;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Sidebar ───────────────────────────────────────────────────── */

.admin-sidebar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.6rem;
  align-self: flex-start;
  position: sticky;
  top: calc(60px + 1.25rem);
  box-shadow: var(--shadow-sm);
}

.admin-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.admin-sidebar .tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 0.9rem;
  text-align: left;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.admin-sidebar .tab-btn:hover:not(.disabled) {
  background: var(--card-2);
  color: var(--text);
}
.admin-sidebar .tab-btn.active {
  background: var(--accent-bg);
  color: var(--accent-hi);
  font-weight: 600;
}
.admin-sidebar .tab-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.admin-sidebar .hint {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.1rem 0.4rem;
  background: var(--bg-elevated);
  border-radius: 5px;
}

.admin-main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;  /* grid child for flex overflow */
}

.tab-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
  gap: 1rem;
}
.tab-header h2 {
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.empty-hint { font-size: 0.88rem; }

/* ── Prompt editor ─────────────────────────────────────────── */

.prompt-split {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  align-items: flex-start;
}

.prompt-list {
  list-style: none;
  padding: 0.4rem;
  margin: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: sticky;
  top: calc(60px + 1.25rem);
  box-shadow: var(--shadow-sm);
}

.prompt-list li {
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--text-dim);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.prompt-list li:hover { background: var(--card-2); color: var(--text); }
.prompt-list li.active {
  background: var(--accent-bg);
  color: var(--accent-hi);
  font-weight: 600;
}
.prompt-list li .vbadge {
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding: 0.1rem 0.45rem;
  background: var(--bg-elevated);
  border-radius: 999px;
  font-weight: 500;
}
.prompt-list li.active .vbadge {
  background: var(--accent-bg-hi);
  color: var(--accent-hi);
}

.editor-col { display: flex; flex-direction: column; gap: 1rem; }

.prompt-editor .editor-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}
.prompt-editor h3 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.prompt-editor .editor-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.monoarea {
  width: 100%;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 0.95rem;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.84rem;
  line-height: 1.55;
  resize: vertical;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.monoarea:focus { border-color: var(--border-focus); box-shadow: var(--glow); }

/* History table */
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.history-table th {
  text-align: left;
  padding: 0.55rem 0.7rem;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
  font-weight: 650;
}
.history-table td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  vertical-align: baseline;
}
.history-table tr:last-child td { border-bottom: none; }
.history-table tbody tr:hover { background: var(--card-2); }
.history-table .active-badge {
  color: var(--green);
  font-weight: 650;
  font-size: 0.76rem;
  padding: 0.1rem 0.5rem;
  background: var(--green-bg);
  border-radius: 999px;
}
.history-table .btn { padding: 0.28rem 0.7rem; font-size: 0.78rem; }

/* ── Modal ─────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 14, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
  animation: fadeIn 0.2s var(--ease-out);
}
/* CRITICAL: display:flex above beats the UA default [hidden]{display:none}
   (same specificity, later rule wins), so without this override the modal
   is ALWAYS visible — including the test modal which never auto-opens,
   so clicking "Admin" would drop the user straight onto a stuck modal. */
.modal-backdrop[hidden] { display: none; }
.modal {
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s var(--ease-out);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 0.85rem;
}
.modal-head h3 { font-size: 1.05rem; font-weight: 650; }

/* ── Settings rows ─────────────────────────────────────────── */

.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.1rem;
}
.setting-row {
  display: grid;
  grid-template-columns: 240px 160px 1fr auto;
  gap: 0.85rem;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 0.88rem;
  transition: background var(--dur-fast) var(--ease);
}
.setting-row:hover { background: var(--card-2); }
.setting-row:last-child { border-bottom: none; }
.setting-row .k {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
}
.setting-row .desc {
  color: var(--muted);
  font-size: 0.82rem;
}
.setting-row input[type=number],
.setting-row input[type=range],
.setting-row select {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font: inherit;
  font-size: 0.86rem;
  outline: none;
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease);
}
.setting-row input:focus, .setting-row select:focus {
  border-color: var(--border-focus);
  box-shadow: var(--glow);
}
.setting-row .save-cell {
  min-width: 110px;
  text-align: right;
  font-size: 0.75rem;
}
.setting-row .inline-btn {
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
}
.setting-row .ok-msg { color: var(--green); font-size: 0.78rem; font-weight: 500; }
.setting-row .err-msg { color: var(--red); font-size: 0.78rem; font-weight: 500; }

/* ── KPI row (index tab) ───────────────────────────────────── */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  text-align: left;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.kpi-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto auto;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle at top right, var(--accent-bg) 0%, transparent 70%);
  pointer-events: none;
}
.kpi-card .val {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.015em;
  position: relative;
}
.kpi-card .lbl {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.35rem;
  font-weight: 600;
  position: relative;
}

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 960px) {
  .admin-layout { grid-template-columns: 1fr; padding: 1rem; }
  .admin-sidebar { position: static; }
  .admin-sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .prompt-split { grid-template-columns: 1fr; }
  .prompt-list { position: static; }
  .setting-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .setting-row .desc { order: 3; grid-column: 1 / -1; }
  .setting-row .save-cell { text-align: left; }
}

/* ── Upload drop zone + build progress ─────────────────────── */

.upload-drop {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 1.1rem 1.2rem;
  border: 1.5px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text-dim);
  font-size: 0.88rem;
  text-align: center;
  cursor: default;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.upload-drop.hover {
  border-color: var(--accent);
  background: rgba(75, 180, 195, 0.08);
  transform: scale(1.01);
}
.upload-drop.uploading {
  border-style: solid;
  border-color: var(--accent);
}

#build-progress .progress-bar {
  background: rgba(255, 255, 255, 0.06);
}
#build-progress .progress-fill {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 0 12px rgba(138, 220, 230, 0.35);
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.run-row-done    { color: var(--green); }
.run-row-running { color: var(--accent-hi); }
.run-row-queued  { color: var(--muted); }
.run-row-error   { color: var(--red); }