/* ═══════════════════════════════════════════════════
   Command Palette — Cmd+K keyboard navigation
   Portfolio v4 · 2026
   Blurred backdrop, spring scale, grouped results.
   ═══════════════════════════════════════════════════ */

.cmdk {
  position: fixed;
  inset: 0;
  z-index: 99990;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(4rem, 12vh, 8rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.cmdk.is-open { opacity: 1; pointer-events: auto; }

.cmdk__backdrop {
  position: absolute;
  inset: 0;
  background: oklch(5% 0.015 50 / 0.6);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.cmdk__panel {
  position: relative;
  width: min(620px, calc(100vw - 2rem));
  max-height: 70vh;
  background: oklch(10% 0.025 50 / 0.98);
  border: 1px solid oklch(95% 0.02 85 / 0.14);
  border-radius: 14px;
  box-shadow:
    0 24px 64px oklch(0% 0 0 / 0.55),
    0 2px 8px oklch(0% 0 0 / 0.35),
    inset 0 1px 0 oklch(95% 0.02 85 / 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.97) translateY(6px);
  opacity: 0;
  transition:
    transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.cmdk.is-open .cmdk__panel { transform: scale(1) translateY(0); opacity: 1; }

[data-theme="light"] .cmdk__backdrop { background: oklch(94% 0.012 85 / 0.6); }
[data-theme="light"] .cmdk__panel    { background: oklch(98% 0.008 85 / 0.98); border-color: oklch(15% 0.03 55 / 0.12); }

.cmdk__header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border-faint);
}

.cmdk__icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--text-muted); }

.cmdk__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  padding: 0;
  caret-color: var(--accent);
}
.cmdk__input::placeholder { color: var(--text-faint); }

.cmdk__esc {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  background: oklch(95% 0.02 85 / 0.08);
  border: 1px solid oklch(95% 0.02 85 / 0.14);
  border-radius: 4px;
  padding: 0.18em 0.4em;
  text-transform: uppercase;
}
[data-theme="light"] .cmdk__esc { background: oklch(15% 0.03 55 / 0.06); border-color: oklch(15% 0.03 55 / 0.12); }

.cmdk__list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--text-faint) transparent;
  max-height: calc(70vh - 110px);
}
.cmdk__list::-webkit-scrollbar { width: 6px; }
.cmdk__list::-webkit-scrollbar-thumb { background: var(--text-faint); border-radius: 3px; }

.cmdk__group {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0.85rem 1.15rem 0.45rem;
}
.cmdk__group:not(:first-child) { margin-top: 0.25rem; border-top: 1px solid var(--border-faint); padding-top: 0.9rem; }

.cmdk__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.15rem;
  margin: 0 0.4rem;
  border-radius: 8px;
  cursor: pointer;
  transition:
    background-color 0.18s ease,
    transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.cmdk__item[aria-selected="true"] { background: oklch(62% 0.18 35 / 0.12); }
.cmdk__item[aria-selected="true"] .cmdk__item-arrow { color: var(--accent); transform: translate(2px, -2px); }

.cmdk__item-body { flex: 1; display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.cmdk__item-title { font-family: var(--font-body); font-size: 0.95rem; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk__item-desc  { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk__item-arrow { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-faint); flex-shrink: 0; transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.2s ease; }

.cmdk__empty { padding: 2rem 1.15rem; text-align: center; font-family: var(--font-display); font-style: italic; font-size: 0.95rem; color: var(--text-muted); }

.cmdk__empty--ask { text-align: left; padding: 1rem 1.15rem; font-size: 0.85rem; }

/* ── Mode hints — visible in empty state ── */
.cmdk__mode-hint {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.5rem 1.15rem 0.75rem;
}

.cmdk__mode-hint-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cmdk__mode-hint-desc {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-top: 0.1rem;
}

.cmdk__mode-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: oklch(95% 0.02 85 / 0.06);
  border: 1px solid oklch(95% 0.02 85 / 0.1);
  border-radius: 4px;
  padding: 0.2em 0.6em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.cmdk__mode-chip:hover {
  color: var(--text-primary);
  background: oklch(95% 0.02 85 / 0.1);
  border-color: oklch(95% 0.02 85 / 0.18);
}

.cmdk__mode-chip--ask {
  color: var(--accent);
  background: oklch(62% 0.18 35 / 0.08);
  border-color: oklch(62% 0.18 35 / 0.15);
}

.cmdk__mode-chip--ask:hover {
  background: oklch(62% 0.18 35 / 0.15);
  border-color: oklch(62% 0.18 35 / 0.28);
}

.cmdk__mode-chip--tsight {
  color: var(--text-secondary);
  background: oklch(95% 0.02 85 / 0.04);
  border-color: oklch(95% 0.02 85 / 0.08);
  font-size: 0.65rem;
}

.cmdk__mode-chip--tsight:hover {
  color: var(--text-primary);
  background: oklch(95% 0.02 85 / 0.08);
}

[data-theme="light"] .cmdk__mode-chip {
  background: oklch(15% 0.03 55 / 0.05);
  border-color: oklch(15% 0.03 55 / 0.1);
}

[data-theme="light"] .cmdk__mode-chip:hover {
  background: oklch(15% 0.03 55 / 0.08);
}


.cmdk__item--answer {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  cursor: default;
}

.cmdk__item--answer[aria-selected="true"] {
  background: oklch(62% 0.18 35 / 0.06);
}

.cmdk__answer-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  max-width: 52ch;
}

[data-theme="light"] .cmdk__answer-text {
  color: var(--text-secondary);
}

.cmdk__answer-sources {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cmdk__answer-sources-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-right: 0.2rem;
}

.cmdk__answer-source {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: oklch(62% 0.18 35 / 0.1);
  border: 1px solid oklch(62% 0.18 35 / 0.2);
  border-radius: 3px;
  padding: 0.2em 0.55em;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.cmdk__answer-source:hover {
  background: oklch(62% 0.18 35 / 0.18);
  border-color: oklch(62% 0.18 35 / 0.35);
}

/* ── TSight item — monospace repo, distinct from nav ── */
.cmdk__item--tsight .cmdk__item-desc--repo {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.cmdk__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1.15rem;
  border-top: 1px solid var(--border-faint);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.cmdk__footer span { display: inline-flex; align-items: center; gap: 0.4em; }
.cmdk__footer kbd {
  font-family: var(--font-mono); font-size: 0.6rem;
  background: oklch(95% 0.02 85 / 0.08);
  border: 1px solid oklch(95% 0.02 85 / 0.14);
  border-radius: 3px; padding: 0.15em 0.35em; color: var(--text-secondary);
}
[data-theme="light"] .cmdk__footer kbd { background: oklch(15% 0.03 55 / 0.06); border-color: oklch(15% 0.03 55 / 0.12); }

body.cmdk-locked { overflow: hidden; }

/* ─── Nav hint: search-bar-style Cmd+K trigger ─── */
.nav__cmdk-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.48em 0.65em 0.48em 0.85em;
  min-width: 260px;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: oklch(95% 0.02 85 / 0.08);
  border: 1px solid oklch(95% 0.02 85 / 0.22);
  border-radius: 8px;
  cursor: pointer;
  animation: cmdk-onload-glow 2.4s cubic-bezier(0.16, 1, 0.3, 1) 1.2s both;
  transition:
    color 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease,
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.22s ease;
}

@keyframes cmdk-onload-glow {
  0%   { box-shadow: none; border-color: oklch(95% 0.02 85 / 0.22); }
  40%  { box-shadow: 0 0 0 3px oklch(95% 0.02 85 / 0.12), 0 0 20px oklch(95% 0.02 85 / 0.18); border-color: oklch(95% 0.02 85 / 0.5); }
  100% { box-shadow: none; border-color: oklch(95% 0.02 85 / 0.22); }
}
.nav__cmdk-hint:hover {
  color: var(--text-primary);
  border-color: oklch(62% 0.18 35 / 0.45);
  background: oklch(62% 0.18 35 / 0.05);
  box-shadow: 0 0 0 3px oklch(62% 0.18 35 / 0.08);
}
.nav__cmdk-hint:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(62% 0.18 35 / 0.25);
}
.nav__cmdk-icon { width: 14px; height: 14px; flex-shrink: 0; color: var(--text-muted); transition: color 0.22s ease; }
.nav__cmdk-hint:hover .nav__cmdk-icon { color: var(--accent); }
.nav__cmdk-label {
  flex: 1;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav__cmdk-keys { display: inline-flex; gap: 0.15em; flex-shrink: 0; }
.nav__cmdk-keys kbd {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  background: oklch(95% 0.02 85 / 0.08);
  border: 1px solid oklch(95% 0.02 85 / 0.14);
  border-radius: 3px;
  padding: 0.16em 0.38em;
  color: var(--text-secondary);
  line-height: 1;
}
[data-theme="light"] .nav__cmdk-hint { background: oklch(15% 0.03 55 / 0.04); border-color: oklch(15% 0.03 55 / 0.12); }
[data-theme="light"] .nav__cmdk-hint:hover { border-color: var(--accent); background: oklch(50% 0.11 30 / 0.05); }
[data-theme="light"] .nav__cmdk-keys kbd { background: oklch(15% 0.03 55 / 0.06); border-color: oklch(15% 0.03 55 / 0.12); }

@media (max-width: 768px) {
  .nav__cmdk-hint { min-width: 0; }
}

@media (max-width: 640px) {
  .nav__cmdk-hint { padding: 0.48em 0.55em; gap: 0.45em; animation: none; }
  .nav__cmdk-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .cmdk, .cmdk__panel, .cmdk__item, .cmdk__item-arrow, .nav__cmdk-hint {
    transition: opacity 0.15s linear !important;
  }
  .cmdk__panel { transform: none !important; }
  .nav__cmdk-hint { animation: none !important; }
}

@media (max-width: 520px) {
  .cmdk { padding-top: 3rem; }
  .cmdk__panel { width: calc(100vw - 1.5rem); }
  .cmdk__footer { font-size: 0.6rem; }
  .cmdk__answer-text { max-width: 100%; font-size: 0.85rem; }
  .cmdk__item--answer { padding: 0.85rem 1rem; }
  .cmdk__answer-sources { gap: 0.3rem; }
}