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

/* ── Tokens ── */
:root {
  --bg: #0d0f18;
  --surface: #151825;
  --surface2: #1e2235;
  --border: #2a2f4a;
  --accent: #4f8ef7;
  --success: #3ecf8e;
  --danger: #f75f5f;
  --warn: #f5a623;
  --text: #e6e9f4;
  --text-muted: #6b739e;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

/* ── Base ── */
body {
  font-family: "Be Vietnam Pro", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 24px 20px 48px;
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* ── Btn ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition:
    opacity 0.15s,
    transform 0.1s;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  opacity: 0.85;
}
.btn-success {
  background: var(--success);
  color: #0d0f18;
}
.btn-success:hover {
  opacity: 0.85;
}
.btn-ghost {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}
.btn-danger:hover {
  background: rgba(247, 95, 95, 0.08);
}

/* ── Form ── */
.form-group {
  margin-bottom: 16px;
}
.form-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
  font-weight: 600;
}
.form-input,
.form-select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
}

/* ── Toggle ── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.toggle-label {
  font-size: 14px;
  color: var(--text-muted);
}
.toggle {
  position: relative;
  width: 46px;
  height: 25px;
}
.toggle input {
  display: none;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  width: 17px;
  height: 17px;
  background: var(--text-muted);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition:
    transform 0.2s,
    background 0.2s;
}
.toggle input:checked + .toggle-slider {
  background: var(--accent);
  border-color: var(--accent);
}
.toggle input:checked + .toggle-slider::before {
  transform: translateX(21px);
  background: #fff;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface2);
  color: var(--text-muted);
  transition: all 0.2s;
}
.badge.active {
  background: rgba(62, 207, 142, 0.15);
  color: var(--success);
}

/* ── Icon btn ── */
.icon-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 15px;
  transition: background 0.15s;
  background: transparent;
}
.icon-btn.edit {
  color: var(--accent);
}
.icon-btn.edit:hover {
  background: rgba(79, 142, 247, 0.15);
}
.icon-btn.del {
  color: var(--danger);
}
.icon-btn.del:hover {
  background: rgba(247, 95, 95, 0.15);
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.open {
  display: flex;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
  animation: slideUp 0.2s ease;
}
@keyframes slideUp {
  from {
    transform: translateY(18px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title {
  font-size: 16px;
  font-weight: 700;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text);
}
.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Upload ── */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.upload-area:hover {
  border-color: var(--accent);
  background: rgba(79, 142, 247, 0.04);
}
.upload-area .u-icon {
  font-size: 26px;
}
.upload-area p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}
.preview-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 8px;
  display: none;
  margin-top: 10px;
}

/* ── Image grid ── */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.img-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.img-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.img-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.img-card-body {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.img-status {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
}
.img-status.active {
  background: rgba(62, 207, 142, 0.15);
  color: var(--success);
}
.img-status.inactive {
  background: rgba(107, 115, 158, 0.12);
  color: var(--text-muted);
}
.img-actions {
  display: flex;
  gap: 4px;
}

/* ── Empty ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 52px 20px;
  gap: 10px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state .e-icon {
  font-size: 38px;
  opacity: 0.35;
}
.empty-state p {
  font-size: 13px;
  line-height: 1.6;
}

/* ── Divider ── */
.vdivider {
  width: 1px;
  height: 26px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  body {
    padding: 16px 12px 40px;
  }
  .card {
    padding: 16px;
  }
  .controls-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .vdivider {
    display: none;
  }
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }
  .btn {
    font-size: 13px;
    padding: 8px 14px;
  }
}