/* command-palette.css — tier 3 components.
 * Owns: Cmd/Ctrl+K palette and the keyboard-help overlay. */

/* Palette backdrop/modal */
.cmdp-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--sh-4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh var(--sp-9) var(--sp-9);
  animation: cmdp-fade-in 0.12s ease;
}
.cmdp-backdrop[hidden] { display: none; }
.cmdp-modal {
  width: 100%;
  max-width: 540px;
  max-height: 80vh;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(var(--accent-rgb), 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: cmdp-scale-in 0.14s ease;
}

/* Input */
.cmdp-input-wrap { padding: var(--sp-7) var(--sp-8); border-bottom: 1px solid var(--border-light); background: var(--bg); }
.cmdp-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: 500 15px/1.3 system-ui, -apple-system, Segoe UI, sans-serif;
  padding: var(--sp-3) var(--sp-2);
}
.cmdp-input::placeholder { color: var(--text-muted); }

/* Results list */
.cmdp-list { flex: 1 1 auto; overflow-y: auto; padding: var(--sp-3) 0; scrollbar-width: thin; }
.cmdp-section {
  font-size: var(--fs-2xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tr-wider);
  color: var(--text-muted);
  padding: var(--sp-5) var(--sp-8) var(--sp-2);
  user-select: none;
}
.cmdp-row {
  display: flex;
  align-items: baseline;
  gap: var(--sp-5);
  padding: var(--sp-4) var(--sp-8);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.08s, border-color 0.08s;
}
.cmdp-row:hover { background: rgba(var(--accent-rgb), 0.06); }
.cmdp-row.active { background: rgba(var(--accent-rgb), 0.14); border-left-color: var(--accent); }
.cmdp-label { color: var(--text); font-size: var(--fs-md); font-weight: 500; flex: 1 1 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdp-row.active .cmdp-label { color: var(--accent); }
.cmdp-sub { color: var(--text-muted); font-size: var(--fs-xs); flex: 0 0 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 45%; }
.cmdp-empty { padding: var(--sp-10) var(--sp-8); text-align: center; color: var(--text-muted); font-size: var(--fs-md); }

/* Footer hints */
.cmdp-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-7);
  padding: var(--sp-4) var(--sp-8);
  border-top: 1px solid var(--border-light);
  background: var(--bg);
  color: var(--text-muted);
  font-size: var(--fs-xs);
}
.cmdp-footer kbd, .cmdp-help-keys kbd {
  display: inline-block;
  min-width: 18px;
  padding: 1px var(--sp-3);
  margin: 0 var(--sp-1);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font: 600 10.5px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-align: center;
}

/* Keyboard help overlay */
.cmdp-help-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--sh-4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-9);
  animation: cmdp-fade-in 0.12s ease;
}
.cmdp-help-backdrop[hidden] { display: none; }
.cmdp-help-modal {
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(var(--accent-rgb), 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: cmdp-scale-in 0.14s ease;
}
.cmdp-help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-7) var(--sp-8);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg);
}
.cmdp-help-header h3 { margin: 0; font-size: var(--fs-base); font-weight: 700; color: var(--text); }
.cmdp-help-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: var(--fs-2xl);
  cursor: pointer;
  line-height: 1;
  padding: 0 var(--sp-2);
  border-radius: var(--radius-sm);
}
.cmdp-help-grid { padding: var(--sp-7) var(--sp-8); overflow-y: auto; display: grid; grid-template-columns: 1fr; gap: var(--sp-4) var(--sp-8); }
.cmdp-help-row {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: var(--sp-3) 0;
  font-size: var(--fs-sm);
  color: var(--text);
  border-bottom: 1px solid var(--ov-1);
}
.cmdp-help-keys { flex: 0 0 auto; min-width: 120px; display: flex; align-items: center; flex-wrap: wrap; }
.cmdp-help-desc { color: var(--text-muted); flex: 1 1 auto; }
.cmdp-help-close:hover { color: var(--accent); border-color: var(--border-light); }
.cmdp-kbd-plus { color: var(--text-muted); font-size: var(--fs-2xs); padding: 0 1px; }
@keyframes cmdp-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes cmdp-scale-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (min-width: 520px) {
  .cmdp-help-grid { grid-template-columns: 1fr 1fr; }
}