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

:root {
  --bg: #0f0f13;
  --surface: #1a1a24;
  --border: #2e2e42;
  --accent: #7c5cfc;
  --accent-dim: #4a3799;
  --text: #e4e4f0;
  --text-muted: #888899;
  --radius: 8px;
  --gap: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px var(--gap);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.tool {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.tool h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

input[type="number"],
input[type="text"] {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
}

input[type="number"]:focus,
input[type="text"]:focus {
  border-color: var(--accent);
}

input[type="number"] { width: 100px; }
input[type="text"]   { width: 220px; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover  { background: #9070ff; }
button:active { background: var(--accent-dim); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:disabled:hover { background: var(--accent); }

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-secondary:hover { background: var(--accent-dim); color: #fff; }

.scan-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--gap);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card .card-title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
}

.card .card-meta {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Photo grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.photo-thumb {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}

.photo-thumb:hover img { transform: scale(1.05); }

.photo-thumb .dl-btn {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.15s;
}

.photo-thumb:hover .dl-btn { opacity: 1; }

/* Photos header */
.photos-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.photos-header button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}

.photos-header button:hover { border-color: var(--accent); background: var(--surface); }

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

#lb-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  display: block;
}

.lb-close {
  position: absolute;
  top: -36px;
  right: 0;
  background: transparent;
  font-size: 1.25rem;
  padding: 4px 10px;
}

.lb-btn {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Tabs */
.tabs { display: flex; gap: 8px; }

.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
}

.tab-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: #fff;
}

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

.status {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 24px 0;
  text-align: center;
  grid-column: 1 / -1;
}