/* ── Tokens de tema ──────────────────────────────────────── */
:root[data-theme="dark"] {
  --bg-base:       #0d1117;
  --bg-surface:    #161b22;
  --bg-card:       #21262d;
  --bg-code:       #1c2128;
  --text-primary:  #e6edf3;
  --text-muted:    #8b949e;
  --text-code:     #79c0ff;
  --border:        #30363d;
  --accent:        #1f6feb;
  --accent-bright: #388bfd;
  --green:         #3fb950;
  --shadow:        0 4px 20px rgba(0,0,0,.45);
}
:root[data-theme="light"] {
  --bg-base:       #f6f8fa;
  --bg-surface:    #ffffff;
  --bg-card:       #ffffff;
  --bg-code:       #f6f8fa;
  --text-primary:  #1f2328;
  --text-muted:    #656d76;
  --text-code:     #0550ae;
  --border:        #d0d7de;
  --accent:        #0969da;
  --accent-bright: #0550ae;
  --green:         #1a7f37;
  --shadow:        0 4px 20px rgba(0,0,0,.08);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ────────────────────────────────────────────────── */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background .25s, color .25s;
}

/* ── Header ──────────────────────────────────────────────── */
header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: .875rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 1rem;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: .625rem;
}
.header-brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
}
.badge {
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 600;
  padding: .15rem .55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
#themeToggle {
  display: flex;
  align-items: center;
  gap: .45rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4rem .9rem;
  cursor: pointer;
  color: var(--text-primary);
  font-size: .825rem;
  font-weight: 500;
  transition: border-color .2s, background .2s;
  white-space: nowrap;
}
#themeToggle:hover { border-color: var(--accent-bright); }

/* ── Main ────────────────────────────────────────────────── */
main {
  max-width: 860px;
  margin: 2rem auto;
  padding: 0 1.5rem 3rem;
}

/* ── Search ──────────────────────────────────────────────── */
.search-wrap { position: relative; margin-bottom: 1.25rem; }
.search-wrap svg {
  position: absolute;
  left: .85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
#searchInput {
  width: 100%;
  padding: .7rem 1rem .7rem 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: .9rem;
  outline: none;
  transition: border-color .2s;
}
#searchInput::placeholder { color: var(--text-muted); }
#searchInput:focus { border-color: var(--accent); }

#commandsCount {
  color: var(--text-muted);
  font-size: .8rem;
  margin-bottom: 1.1rem;
}

/* ── Card ────────────────────────────────────────────────── */
.cmd-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1.1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}
.cmd-card:hover {
  border-color: var(--accent-bright);
}

.card-body { padding: 1.1rem 1.25rem 1rem; }

.cmd-description {
  font-weight: 600;
  font-size: .975rem;
  margin-bottom: .75rem;
}

.cmd-block {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .65rem .9rem;
}
.cmd-text {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: .835rem;
  color: var(--text-code);
  word-break: break-all;
  flex: 1;
  line-height: 1.55;
}
.cmd-text::before { content: "$ "; color: var(--text-muted); }
.copy-btn {
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .25rem .6rem;
  cursor: pointer;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 500;
  transition: background .15s, color .15s, border-color .15s;
  align-self: center;
}
.copy-btn:hover { background: var(--border); color: var(--text-primary); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ── Flags ───────────────────────────────────────────────── */
.flags-section { border-top: 1px solid var(--border); }

.flags-toggle {
  width: 100%;
  padding: .65rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .8rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .15s, color .15s;
}
.flags-toggle:hover { background: var(--bg-code); color: var(--text-primary); }
.flags-toggle .chevron { transition: transform .2s; display: inline-block; }
.flags-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.flags-list { display: none; padding: .25rem 1.25rem .9rem; }
.flags-list.open { display: block; }

.flag-item {
  display: flex;
  gap: .75rem;
  padding: .55rem 0;
  border-top: 1px solid var(--border);
}
.flag-item:first-child { border-top: none; }

.flag-name {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: .775rem;
  color: var(--accent-bright);
  background: var(--bg-code);
  border-left: 3px solid var(--accent);
  padding: .25rem .55rem;
  border-radius: 0 4px 4px 0;
  white-space: nowrap;
  align-self: flex-start;
}
.flag-desc {
  font-size: .84rem;
  color: var(--text-muted);
  line-height: 1.55;
  padding-top: .2rem;
}

/* ── Empty state ─────────────────────────────────────────── */
.no-results {
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--text-muted);
  font-size: .95rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 560px) {
  header { padding: .75rem 1rem; }
  main   { padding: 0 .875rem 2rem; margin: 1.25rem auto; }
  .flag-item { flex-direction: column; gap: .35rem; }
  .flag-name { white-space: normal; }
}