/* ==========================================================
   Admin (หลังบ้าน)
   ========================================================== */
.admin {
  background: #f2f1ec;
}

.admin-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.admin-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 68px;
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.admin-nav a,
.admin-nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-weight: 500;
  cursor: pointer;
}

.admin-nav a:hover,
.admin-nav button:hover,
.admin-nav a.active {
  background: var(--surface-2);
  color: var(--ink);
}

.admin-nav form {
  margin: 0;
}

@media (max-width: 720px) {
  .admin-bar .brand-text small,
  .admin-nav span {
    display: none;
  }

  .admin-nav a,
  .admin-nav button {
    padding: 10px;
  }
}

.admin-main {
  padding: 28px 0 64px;
}

.admin-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.admin-head h1 {
  font-size: 1.7rem;
  margin: 4px 0 0;
}

.admin-head p {
  margin: 0;
}

.link-muted {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.link-muted:hover {
  color: var(--navy);
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px;
}

.card-title {
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.card-title:not(:first-child) {
  margin-top: 28px;
}

/* Alerts */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  font-weight: 500;
}

.alert-success {
  background: var(--green-soft);
  color: var(--green);
}

.alert-error {
  background: var(--red-soft);
  color: var(--red);
}

/* Login */
.login-wrap {
  min-height: 80vh;
  display: grid;
  place-items: center;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 36px 28px;
  text-align: center;
}

.login-card h1 {
  font-size: 1.4rem;
  margin: 0;
}

.login-card .field {
  text-align: left;
  margin: 18px 0;
}

.login-card .link-muted {
  margin-top: 18px;
}

/* Stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

.stat strong {
  font-size: 1.5rem;
  color: var(--navy);
}

.stat.active {
  border-color: var(--navy);
}

/* Search */
.admin-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 16px;
  margin-bottom: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.admin-search input {
  flex: 1;
  min-width: 0;
  height: 36px;
  border: 0;
  outline: none;
  background: none;
}

/* Product list */
.admin-list {
  display: grid;
  gap: 10px;
}

.admin-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  grid-template-areas:
    'thumb body actions'
    'thumb status status';
  align-items: center;
  gap: 8px 14px;
  padding: 12px;
}

@media (min-width: 720px) {
  .admin-item {
    grid-template-columns: 72px 1fr auto auto;
    grid-template-areas: 'thumb body status actions';
  }
}

.admin-thumb {
  grid-area: thumb;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-2);
  color: #b9b4a8;
  align-self: start;
}

@media (min-width: 720px) {
  .admin-thumb {
    width: 72px;
    height: 72px;
    align-self: center;
  }
}

.admin-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-item-body {
  grid-area: body;
  min-width: 0;
}

.admin-item-title {
  display: block;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-item-title:hover {
  color: var(--navy-2);
}

.admin-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.admin-item-meta .price {
  font-size: 0.95rem;
}

.admin-item-status {
  grid-area: status;
  margin: 0;
}

.admin-item-actions {
  grid-area: actions;
  display: flex;
  gap: 6px;
}

.status-select {
  height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

.status-select.status-available {
  background: var(--green-soft);
  color: var(--green);
  border-color: transparent;
}

.status-select.status-reserved {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: transparent;
}

.status-select.status-sold {
  background: var(--surface-2);
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-muted {
  background: var(--surface-2);
  color: var(--muted);
}

.tag-accent {
  background: var(--accent-soft);
  color: var(--accent);
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
}

/* Form */
.form-layout {
  display: grid;
  gap: 20px;
  align-items: start;
}

@media (min-width: 1000px) {
  .form-layout {
    grid-template-columns: 1fr 360px;
  }

  .form-side {
    position: sticky;
    top: 88px;
  }
}

.form-side {
  display: grid;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field > span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-2);
}

.field em {
  color: var(--red);
  font-style: normal;
}

.field input,
.field select,
.field textarea,
.cat-row input {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fcfbf9;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}

.field textarea {
  resize: vertical;
  line-height: 1.6;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.cat-row input:focus {
  border-color: var(--navy);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(22, 50, 79, 0.08);
}

.field-row {
  display: grid;
  gap: 0 14px;
}

@media (min-width: 640px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }

  .field-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 4px 0 8px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 500;
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-ui {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: var(--line);
  transition: background 0.2s;
}

.toggle-ui::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s var(--ease);
}

.toggle input:checked + .toggle-ui {
  background: var(--navy);
}

.toggle input:checked + .toggle-ui::after {
  transform: translateX(18px);
}

.toggle input:focus-visible + .toggle-ui {
  outline: 3px solid rgba(217, 105, 43, 0.45);
  outline-offset: 2px;
}

/* Upload */
.dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 32px 20px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: #fcfbf9;
  text-align: center;
  color: var(--navy-2);
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--navy);
  background: #eef3f8;
}

.dropzone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone strong {
  color: var(--ink);
}

.dropzone span {
  font-size: 0.85rem;
}

.preview-grid,
.image-manager {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 10px;
}

.preview-grid:not(:empty) {
  margin-top: 14px;
}

.image-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-2);
}

.image-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-tile-actions {
  position: absolute;
  right: 6px;
  bottom: 6px;
  display: flex;
  gap: 4px;
}

.image-tile-actions form {
  margin: 0;
}

.image-tile .icon-btn {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
}

.image-tile .remove-preview {
  position: absolute;
  top: 6px;
  right: 6px;
}

.cover-tag {
  position: absolute;
  top: 6px;
  left: 6px;
}

.icon-btn-danger:hover {
  color: var(--red);
  border-color: var(--red);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.btn[disabled] {
  opacity: 0.6;
  pointer-events: none;
}

.danger-card {
  border: 1px solid var(--red-soft);
}

.tips ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.tips li {
  display: flex;
  gap: 10px;
  color: var(--ink-2);
  font-size: 0.925rem;
}

.tips .icon {
  margin-top: 3px;
  color: var(--accent);
}

/* Categories */
.cat-list {
  display: grid;
  gap: 10px;
}

.cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
}

.cat-new {
  margin-bottom: 18px;
}

.cat-edit {
  display: flex;
  flex: 1;
  gap: 10px;
  align-items: center;
  margin: 0;
}

.cat-row form:last-child {
  margin: 0;
}

.cat-row input[name='sort_order'] {
  width: 90px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .cat-row,
  .cat-edit {
    flex-wrap: wrap;
  }

  .cat-row input[name='name'],
  .cat-row input[name='slug'] {
    flex: 1 1 100%;
  }
}