/* ============================================================================
   fb-cmdk — Global search command palette.

   Component is fully self-contained — no dependency on other fb-app CSS
   except for the design-token variables in tokens.css (--bg, --surface,
   --text, etc). Mirrors _handoff/search-redesign/mockup.html exactly.

   State is driven by data-state="empty|loading|results|noresult" on the
   .fb-cmdk-backdrop root (set by fb-cmdk.js).
   ============================================================================ */

.fb-cmdk-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.42);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  backdrop-filter: blur(8px) saturate(120%);
  display: flex;
  justify-content: center;
  padding-top: 10vh;
  animation: fb-cmdk-fade-in 0.18s ease-out;
}
.fb-cmdk-backdrop[hidden] { display: none; }

@keyframes fb-cmdk-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fb-cmdk-slide-down {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

.fb-cmdk {
  width: 100%;
  max-width: 680px;
  margin: 0 16px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22),
              0 2px 8px   rgba(0, 0, 0, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 80vh;
  animation: fb-cmdk-slide-down 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Lock body scroll while open (set on <body> by fb-cmdk.js) */
body.fb-cmdk-open { overflow: hidden; }

/* ── Header (input row) ──────────────────────────────────────────────────── */

.fb-cmdk__header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.fb-cmdk__icon {
  width: 18px; height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.fb-cmdk__input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--font-display, inherit);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  padding: 0;
}
.fb-cmdk__input::placeholder {
  color: var(--text-dim);
  font-weight: 400;
}
.fb-cmdk__kbd {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  font-size: 10.5px;
  color: var(--text-muted);
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-2);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}
.fb-cmdk__close-btn {
  cursor: pointer;
  transition: background-color 0.1s ease;
}
.fb-cmdk__close-btn:hover { background: var(--border-soft); color: var(--text-2); }

.fb-cmdk__spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: fb-cmdk-spin 0.8s linear infinite;
}
@keyframes fb-cmdk-spin { to { transform: rotate(360deg); } }

/* Show spinner ONLY during loading */
.fb-cmdk__spinner { display: none; }
.fb-cmdk-backdrop[data-state="loading"] .fb-cmdk__spinner { display: block; }

/* ── Body (scrollable results) ───────────────────────────────────────────── */

.fb-cmdk__body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.fb-cmdk__body::-webkit-scrollbar { width: 6px; }
.fb-cmdk__body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
.fb-cmdk__body::-webkit-scrollbar-track { background: transparent; }

/* ── Group ───────────────────────────────────────────────────────────────── */

.fb-cmdk__group { padding: 8px 0; }
.fb-cmdk__group-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 18px 4px;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.fb-cmdk__group-count { color: var(--text-dim); font-weight: 500; }

/* ── Row ─────────────────────────────────────────────────────────────────── */

.fb-cmdk__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  cursor: pointer;
  border-left: 2px solid transparent;
  user-select: none;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.08s ease, border-color 0.08s ease;
}
.fb-cmdk__row.is-active {
  background: var(--surface-2);
  border-left-color: var(--accent);
}
.fb-cmdk__row:focus { outline: none; }

.fb-cmdk__row-icon {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono, ui-monospace, monospace);
}
.fb-cmdk__row-icon--funds     { background: rgba(201, 169, 98,  0.14); color: var(--accent); }
.fb-cmdk__row-icon--holdings  { background: rgba(96,  165, 250, 0.14); color: #2563eb; }
.fb-cmdk__row-icon--sectors   { background: rgba(167, 139, 250, 0.14); color: #7c3aed; }
.fb-cmdk__row-icon--countries { background: rgba(251, 146, 60,  0.14); color: #ea580c; font-size: 16px; }
.fb-cmdk__row-icon--insights  { background: rgba(74,  222, 128, 0.14); color: #16a34a; }
.fb-cmdk__row-icon--recent    { background: var(--surface-2); color: var(--text-muted); }

.fb-cmdk__row-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.fb-cmdk__row-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.005em;
}
.fb-cmdk__row-title em {
  font-style: normal;
  background: rgba(201, 169, 98, 0.20);
  color: var(--accent);
  border-radius: 2px;
  padding: 0 1px;
}
.fb-cmdk__row-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fb-cmdk__row-sub .sep { color: var(--text-dim); margin: 0 6px; }

.fb-cmdk__row-meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.fb-cmdk__chip {
  padding: 3px 7px;
  border-radius: 5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.fb-cmdk__chip--pos { background: rgba(34,  197, 94,  0.13); color: var(--pos); }
.fb-cmdk__chip--neg { background: rgba(239, 68,  68,  0.13); color: var(--neg); }
.fb-cmdk__chip--mut { background: var(--surface-2);              color: var(--text-muted); }

.fb-cmdk__row-arrow {
  color: var(--text-dim);
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.1s ease;
}
.fb-cmdk__row.is-active .fb-cmdk__row-arrow,
.fb-cmdk__row:hover    .fb-cmdk__row-arrow { opacity: 1; }

/* ── Footer ──────────────────────────────────────────────────────────────── */

.fb-cmdk__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  border-top: 1px solid var(--border-soft);
  background: var(--surface-2);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 10.5px;
  color: var(--text-muted);
}
.fb-cmdk__footer-hints { display: flex; gap: 16px; }
.fb-cmdk__hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.fb-cmdk__hint kbd,
.fb-cmdk__brand-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-2);
}
.fb-cmdk__brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}

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

.fb-cmdk__empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}
.fb-cmdk__empty-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto 14px;
  color: var(--text-dim);
}
.fb-cmdk__empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 4px;
}
.fb-cmdk__empty-sub {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Skeleton (loading) ──────────────────────────────────────────────────── */

.fb-cmdk__skel-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
}
.fb-cmdk__skel {
  background: linear-gradient(90deg, var(--surface-2) 0%, var(--border-soft) 50%, var(--surface-2) 100%);
  background-size: 200% 100%;
  animation: fb-cmdk-shimmer 1.4s linear infinite;
  border-radius: 4px;
}
@keyframes fb-cmdk-shimmer {
  0%   { background-position:  200% 0; }
  100% { background-position: -200% 0; }
}
.fb-cmdk__skel--icon  { width: 28px; height: 28px; border-radius: 7px; flex-shrink: 0; }
.fb-cmdk__skel--title { height: 12px; width: 60%; }
.fb-cmdk__skel--sub   { height: 10px; width: 40%; margin-top: 6px; }
.fb-cmdk__skel-body   { flex: 1; }

/* ── Responsive (mobile full-screen sheet) ───────────────────────────────── */

@media (max-width: 640px) {
  .fb-cmdk-backdrop {
    padding-top: 0;
    background: var(--bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .fb-cmdk {
    max-width: 100%;
    max-height: 100vh;
    height: 100vh;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .fb-cmdk__footer { display: none; }  /* hint bar takes valuable vertical real estate on mobile */
  .fb-cmdk__row-sub { white-space: normal; line-height: 1.35; }
}
