:root {
  --bg: #0f1115;
  --card: #171b22;
  --text: #f5f7fb;
  --muted: #b4bfd0;
  --border: #2a3240;
  --accent: #d6a446;
  --danger: #cf5b5b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); }
body.modal-open { overflow: hidden; }
.wrap { max-width: 900px; margin: 0 auto; padding: 20px; }
.wrap-wide { max-width: 1180px; }
.topbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.topbar h1 { margin: 0; font-size: 1.5rem; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; margin-bottom: 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--accent); background: transparent; color: var(--text); text-decoration: none; cursor: pointer; }
.btn:hover { opacity: .92; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-danger { border-color: var(--danger); }
.btn-gold { background: rgba(214, 164, 70, 0.18); }
.file-label, .hint, .muted { color: var(--muted); }
.actions { margin-top: 12px; }
.status { min-height: 24px; font-weight: 700; }
.status.error { color: #ff8d8d; }
.status.success { color: #76d476; }
.status.info { color: #8eb7ff; }
.list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}
.file-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 14px; padding: 12px; }
.file-meta { display: grid; gap: 4px; }
.file-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.group-card { border: 1px solid var(--border); border-radius: 16px; padding: 16px; display: grid; gap: 14px; }
.group-header { display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; }
.group-header-stack { align-items: flex-start; }
.group-card h3 { margin: 0 0 6px; }
.group-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: start;
}
.thumb-btn {
  border: 1px solid var(--border);
  background: #10151c;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  min-height: 240px;
}
.thumb-btn:hover { border-color: var(--accent); }
.thumb-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.picker-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.preview-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.category-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.category-filter-btn {
  min-height: 42px;
  padding: 0 13px;
  border-color: var(--border);
  background: #10151c;
  font-weight: 700;
}
.category-filter-btn.active {
  border-color: var(--accent);
  background: rgba(214, 164, 70, 0.18);
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #10151c;
}
.filter-chip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
}
.filter-chip select,
.field select,
.field input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0b1018;
  color: var(--text);
  outline: none;
}
.filter-chip select {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
}
.form-grid {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}
.form-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.field {
  display: grid;
  gap: 8px;
}
.field span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.modal[hidden] { display: none !important; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 9, 15, 0.72);
}
.modal-dialog {
  position: relative;
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  margin: 16px auto;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,.38);
}
.modal-header,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-actions {
  border-bottom: 0;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}
.modal-header h2 {
  margin: 0;
  font-size: 1.1rem;
}
.modal-body {
  padding: 16px;
  overflow: auto;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}
@media (max-width: 980px) {
  .list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap, .wrap-wide { padding: 14px; }
  .topbar h1 { font-size: 1.2rem; }
  .file-row { flex-direction: column; }
  .thumb-grid, .preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thumb-btn { min-height: 220px; }
  .group-actions { width: 100%; }
  .group-actions .btn { flex: 1 1 auto; }
  .topbar-actions { margin-left: 0; width: 100%; }
  .topbar-actions > * { flex: 1 1 100%; }
  .category-filter { width: 100%; }
  .category-filter-btn { flex: 1 1 45%; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .modal-dialog { width: calc(100vw - 20px); margin: 10px auto; max-height: calc(100vh - 20px); }
}