/* OpenSquilla Web UI — Sessions view
 * Same temporal-control-center DNA as cron + usage.
 */

.sess-stage [hidden] { display: none !important; }

/* ─── Stage container ────────────────────────────────────────────────── */

.sess-stage {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  max-width: none;
  position: relative;
}

/* ─── Header ─────────────────────────────────────────────────────────── */

.sess-stage__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding-top: var(--sp-3);
}
.sess-stage__title-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.sess-stage__eyebrow {
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.sess-stage__title {
  font-size: var(--fs-display);
  font-weight: 700;
  letter-spacing: 0;
  line-height: var(--lh-display);
  position: relative;
}
.sess-stage__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}
.sess-stage__subtitle {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--sp-3);
  max-width: 60ch;
}
.sess-stage__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* ─── Search + buttons ───────────────────────────────────────────────── */

.sess-search-wrap { position: relative; display: flex; align-items: center; }
.sess-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  display: inline-flex;
}
.sess-search-icon svg { width: 14px; height: 14px; }
.sess-search-input {
  width: 260px;
  min-height: 40px;
  padding: 8px 12px 8px 32px;
  font-size: var(--fs-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sess-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}


/* ─── Bulk action bar ────────────────────────────────────────────────── */

.sess-bulk-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: var(--radius-lg);
  animation: sess-slide-down 220ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  font-size: var(--fs-sm);
}
@keyframes sess-slide-down {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.sess-bulk-bar__count strong {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-md);
  margin-right: 4px;
}
.sess-bulk-bar__spacer { flex: 1; }

/* ─── List section ───────────────────────────────────────────────────── */

.sess-list__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.sess-list__title {
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sess-list__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.sess-list__controls {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.sess-page-size {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sess-page-size select {
  padding: 4px 8px;
  min-height: 40px;
  font-size: var(--fs-xs);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

/* ─── Table ──────────────────────────────────────────────────────────── */

.sess-table-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sess-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
.sess-table thead th {
  text-align: left;
  padding: 10px var(--sp-4);
  background: color-mix(in srgb, var(--bg-elevated) 60%, var(--bg-surface));
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.sess-th-sort { user-select: none; }
.sess-th-sort:hover { color: var(--text); }
.sess-th-sort__btn {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}
.sess-th-sort__btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sess-table__arrow { color: var(--accent); font-size: 9px; margin-left: 4px; }

.sess-table tbody td {
  padding: 10px var(--sp-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.sess-table tbody tr:last-child td { border-bottom: 0; }
.sess-table tbody tr:hover td { background: var(--bg-elevated); }
.sess-table tbody tr.is-selected td { background: color-mix(in srgb, var(--accent) 6%, var(--bg-surface)); }
.sess-table__cell--check { width: 36px; }
.sess-table__cell--actions {
  position: sticky;
  right: 0;
  z-index: 1;
  width: 1px;
  white-space: nowrap;
  text-align: right;
  background: var(--bg-surface);
  box-shadow: -12px 0 18px -18px var(--shadow);
}
.sess-table__cell--key {
  min-width: 240px;
}
.sess-table__key-content {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 240px;
}
.sess-status-stack {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.sess-run-chip {
  font-size: 10.5px;
}

.sess-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.sess-dim { color: var(--text-muted); }

/* Custom checkbox */
.sess-check {
  position: relative;
  display: inline-flex;
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.sess-check input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}
.sess-check span {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  display: inline-block;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
}
.sess-check input:checked + span {
  background: var(--accent);
  border-color: var(--accent);
}
.sess-check input:checked + span::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #1a0e02;
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}
.sess-check input:focus-visible + span {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 24%, transparent);
}

.sess-key-link {
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  text-align: left;
  border-bottom: 1px dashed transparent;
  transition: color var(--transition), border-color var(--transition);
  max-width: 460px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sess-key-link:hover {
  color: var(--accent);
  border-bottom-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.sess-model {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}

.sess-iconbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 32px;
  min-height: 32px;
  padding: 4px 8px;
  font-size: var(--fs-xs);
  font-weight: 500;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.sess-iconbtn svg { width: 14px; height: 14px; }
.sess-iconbtn:hover {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}
.sess-iconbtn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.sess-iconbtn--ghost { color: var(--text-muted); }
.sess-iconbtn--danger:hover {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, var(--bg-elevated));
}

/* ─── Pagination ─────────────────────────────────────────────────────── */

.sess-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) 0 0;
  font-size: var(--fs-sm);
}
.sess-page-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text);
  font-size: var(--fs-md);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.sess-page-btn:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--border-focus); }
.sess-page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.sess-page-info {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ─── Empty state ────────────────────────────────────────────────────── */

.sess-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4) calc(var(--sp-8) + var(--sp-4));
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 30%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 70%),
    var(--bg-surface);
}
.sess-empty__art {
  width: 130px;
  height: 130px;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: var(--sp-4);
}
.sess-empty__art svg { display: block; width: 100%; height: 100%; }
.sess-empty__pulse {
  animation: sess-empty-blink 2.4s ease-in-out infinite;
  transform-origin: center;
}
@keyframes sess-empty-blink {
  0%, 60%, 100% { opacity: 1; r: 4; }
  30% { opacity: 0.4; r: 6; }
}
.sess-empty__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  margin-bottom: 8px;
}
.sess-empty__msg {
  width: 100%;
  max-width: 56ch;
  box-sizing: border-box;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
  margin-bottom: var(--sp-5);
  overflow-wrap: anywhere;
}
.sess-empty__cta { height: 40px; padding: 0 20px; font-size: var(--fs-sm); }


/* ─── New-session modal form ─────────────────────────────────────────── */

.sess-form { display: flex; flex-direction: column; gap: var(--sp-3); }
.sess-form__field { display: flex; flex-direction: column; gap: 4px; }
.sess-form__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.sess-form__optional { color: var(--text-dim); text-transform: none; letter-spacing: 0; font-weight: 400; margin-left: 4px; }
.sess-form__input {
  padding: 9px 12px;
  font-size: var(--fs-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sess-form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

/* ─── Animations ─────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .sess-bulk-bar { animation: none !important; }
  .sess-empty__pulse { animation: none !important; }
}

/* ─── New-session modal extras ───────────────────────────────────────── */

.sess-newchat-modal { width: min(440px, 92vw); }
.sess-form__hint {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: 2px;
}
.sess-form__error {
  margin-top: var(--sp-2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--danger, #e35d4d) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger, #e35d4d) 35%, var(--border));
  color: var(--text);
  font-size: var(--fs-sm);
  line-height: 1.4;
}

/* ─── Orphan agent indicator (sessions list) ────────────────────────── */

.sess-key__sub {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  min-width: 0;
  overflow-wrap: anywhere;
}
.sess-key__agent {
  align-items: center;
  display: inline-flex;
  gap: 4px;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}
.sess-key__agent--orphan { color: var(--text); }
.chip-warn {
  background: color-mix(in srgb, #f0a030 18%, transparent);
  color: #f0a030;
  border: 1px solid color-mix(in srgb, #f0a030 45%, var(--border));
}

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

@media (max-width: 720px) {
  .sess-stage__header { flex-direction: column; align-items: stretch; }
  .sess-stage__actions { width: 100%; }
  .sess-search-input { width: 100%; flex: 1; }
  .sess-search-wrap { flex: 1; }
  .sess-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .sess-table { min-width: 720px; }
}

@media (max-width: 480px) {
  .sess-search-wrap {
    flex: 1 1 100%;
    min-width: 0;
  }

  .sess-stage__actions > .btn {
    flex: 1 1 0;
    justify-content: center;
  }
}

@media (max-width: 360px) {
  .sess-stage .stat-row {
    grid-template-columns: 1fr;
  }
}