/* ── Color palette (retrobios-inspired) ── */
:root {
  --primary: #4a4e8a;
  --primary-light: #6366a0;
  --primary-dark: #363870;
  --accent: #e8594f;
  --ok: #2e7d32;
  --warn: #f57c00;
  --err: #c62828;
  --info: #1565c0;
  --recipe: #6366a0;
  --gap: #7b1fa2;
  --muted: #78909c;

  /* Light mode defaults */
  --bg: #ffffff;
  --bg-elev: #f5f6fa;
  --bg-card: #ffffff;
  --border: #e0e3eb;
  --text: #1a1a2e;
  --text-dim: #546e7a;
}

[data-theme="dark"] {
  --bg: #1e1e2e;
  --bg-elev: #181825;
  --bg-card: #252537;
  --border: #313244;
  --text: #cdd6f4;
  --text-dim: #a6adc8;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --gap: #a371f7;
  --recipe: #89b4fa;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1e1e2e;
    --bg-elev: #181825;
    --bg-card: #252537;
    --border: #313244;
    --text: #cdd6f4;
    --text-dim: #a6adc8;
    --ok: #3fb950;
    --warn: #d29922;
    --err: #f85149;
    --gap: #a371f7;
    --recipe: #89b4fa;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Header / Hero ── */
header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 1.5rem 2rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.4rem;
  margin: 0 0 0.4rem 0;
  font-weight: 700;
  color: white;
}
header h1 a { color: white; text-decoration: none; }

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.tagline { color: rgba(255,255,255,0.85); font-size: 0.85rem; margin-bottom: 1rem; }
.tagline a { color: rgba(255,255,255,0.95); text-decoration: underline; text-decoration-color: rgba(255,255,255,0.4); }
.tagline a:hover { text-decoration-color: white; }
.tagline code { background: rgba(255,255,255,0.15); padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.85em; }

/* ── Theme toggle ── */
.theme-toggle {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.theme-toggle:hover { background: rgba(255,255,255,0.25); }

/* ── Controls bar ── */
.controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.controls input[type="search"] {
  flex: 1 1 160px;
  min-width: 0;
  max-width: 300px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
}
.controls input[type="search"]::placeholder { color: rgba(255,255,255,0.6); }
.controls input[type="search"]:focus { outline: none; background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); }

.btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.25);
}

.filter-chips { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.chip {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  cursor: pointer;
  user-select: none;
}
.chip:hover { color: white; border-color: rgba(255,255,255,0.5); }
.chip.active {
  background: white;
  color: var(--primary-dark);
  border-color: white;
  font-weight: 600;
}

/* ── Summary bar ── */
.summary {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.summary .count { font-weight: 700; color: white; }

/* ── Main content ── */
main { padding: 1.5rem; max-width: 1400px; margin: 0 auto; }

/* ── Drop zone ── */
#drop-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  transition: all 0.15s;
  font-size: 0.85rem;
}
#drop-zone.drag-over {
  border-color: var(--primary);
  background: rgba(74, 78, 138, 0.06);
  color: var(--text);
}

/* ── Core sections ── */
.core-section { margin-bottom: 1.75rem; }
.core-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.core-header h2 { margin: 0; font-size: 1.05rem; font-weight: 700; }
.core-header .path { color: var(--text-dim); font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.8rem; word-break: break-all; }
.core-header .core-count { color: var(--text-dim); font-size: 0.78rem; margin-left: auto; }

/* ── Card grid ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 0.75rem;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.06);
}
[data-theme="dark"] .card:hover,
:root:not([data-theme="light"]) .card:hover {
  box-shadow: 0 3px 10px rgba(0,0,0,0.3);
}

.card.status-ok { border-left-color: var(--ok); }
.card.status-missing { border-left-color: var(--err); }
.card.status-wrong { border-left-color: var(--warn); }
.card.status-gap { border-left-color: var(--gap); }
.card.status-recipe { border-left-color: var(--recipe); }

.card-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.card-filename {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 700;
  font-size: 0.9rem;
  word-break: break-all;
  flex: 1;
}

/* ── Badges ── */
.badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.badge-ok { background: #e8f5e9; color: #1b5e20; }
.badge-missing { background: #ffebee; color: #b71c1c; }
.badge-wrong { background: #fff3e0; color: #e65100; }
.badge-gap { background: #f3e5f5; color: #6a1b9a; }
.badge-recipe { background: #e3f2fd; color: #0d47a1; }
.badge-catalog { background: var(--bg-elev); color: var(--text-dim); }

[data-theme="dark"] .badge-ok,
:root:not([data-theme="light"]) .badge-ok { background: #1b5e20; color: #a5d6a7; }
[data-theme="dark"] .badge-missing,
:root:not([data-theme="light"]) .badge-missing { background: #b71c1c; color: #ef9a9a; }
[data-theme="dark"] .badge-wrong,
:root:not([data-theme="light"]) .badge-wrong { background: #e65100; color: #ffcc80; }
[data-theme="dark"] .badge-gap,
:root:not([data-theme="light"]) .badge-gap { background: #4a148c; color: #ce93d8; }
[data-theme="dark"] .badge-recipe,
:root:not([data-theme="light"]) .badge-recipe { background: #0d47a1; color: #90caf9; }
[data-theme="dark"] .badge-catalog,
:root:not([data-theme="light"]) .badge-catalog { background: var(--bg); color: var(--text-dim); }

/* ── Card meta ── */
.card-meta { color: var(--text-dim); font-size: 0.75rem; margin-bottom: 0.5rem; overflow-wrap: anywhere; }
.card-meta code { font-family: ui-monospace, "SF Mono", Menlo, monospace; color: var(--text); word-break: break-all; }

.card-hash {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.7rem;
  margin-bottom: 0.5rem;
  overflow-wrap: anywhere;
}
.card-hash .hash-value { color: var(--text-dim); flex: 1; letter-spacing: -0.02em; }
.card-hash .copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.65rem;
  cursor: pointer;
  flex-shrink: 0;
}
.card-hash .copy-btn:hover { color: var(--text); border-color: var(--primary); }
.card-hash .copy-btn.copied { color: var(--ok); border-color: var(--ok); }

/* ── Card actions ── */
.card-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.card-actions a {
  color: var(--primary-light);
  text-decoration: none;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.card-actions a:hover { border-color: var(--primary); color: var(--primary); }

.card-note {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-top: 0.4rem;
  font-style: italic;
}

.card-wrong-hash {
  margin-top: 0.4rem;
  padding: 0.4rem 0.5rem;
  background: rgba(245, 124, 0, 0.06);
  border-radius: 4px;
  font-size: 0.7rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--warn);
}

/* ── Recipe card ── */
.card-recipe {
  margin-top: 0.5rem;
  padding: 0.6rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.recipe-label { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 0.4rem; }
.recipe-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  width: 100%;
  margin-bottom: 0.4rem;
}
.btn-recipe {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
}
.recipe-status {
  font-size: 0.75rem;
  margin-top: 0.3rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.recipe-ok { color: var(--ok); }
.recipe-warn { color: var(--warn); }
.recipe-error { color: var(--err); }

/* ── Utility ── */
.hidden { display: none !important; }

/* ── Footer ── */
footer {
  margin-top: 3rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--primary-light); text-decoration: none; }
footer a:hover { text-decoration: underline; }

#loading, #scan-progress {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  main { padding: 1rem; }
  header { padding: 1rem; }
  .cards { grid-template-columns: 1fr; }
  .controls { gap: 0.4rem; }
  .summary { font-size: 0.75rem; }
}

@media (prefers-color-scheme: dark) {
  [data-theme="dark"] .card:hover,
  :root:not([data-theme="light"]) .card:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
  }
}