/* Admin Panel Styles */

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

:root {
  --accent: #5eb3f6;
  --accent-dim: #3a8fd4;
  --accent-secondary: #a78bfa;
  --bg: #0c0e12;
  --sidebar: #111520;
  --card: #151922;
  --card-hover: #1d2330;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaed;
  --text-muted: #7a8494;
  --danger: #f87171;
  --success: #4ade80;
  --radius: 12px;
}

html, body {
  height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr 390px;
  min-height: 100vh;
}

/* ── Sidebar ── */

.admin-sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  padding: 8px 12px 24px;
  letter-spacing: 1px;
}

.admin-logo small {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 4px;
}

.admin-nav-item {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
  text-align: left;
  width: 100%;
}

.admin-nav-item:hover {
  background: rgba(94, 179, 246, 0.08);
  color: var(--text);
}

.admin-nav-item.active {
  background: rgba(94, 179, 246, 0.15);
  color: var(--accent);
  font-weight: 600;
}

.admin-back-link {
  margin-top: auto;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s;
}

.admin-back-link:hover {
  color: var(--accent);
}

/* ── Main Panel ── */

.admin-main {
  padding: 32px;
  overflow-y: auto;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.admin-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.admin-header-actions {
  display: flex;
  gap: 10px;
}

.btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #0c0e12;
}

.btn-primary:hover {
  background: var(--accent-dim);
  color: #fff;
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--card-hover);
}

.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.25);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  padding: 6px 10px;
  min-width: 32px;
}

/* ── Panels ── */

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.form-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--accent);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* ── Menu List ── */

.menu-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.menu-list-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.section-label {
  font-size: 12px;
  color: var(--text-muted);
  padding: 12px 0 8px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.menu-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  transition: border-color 0.2s, background 0.2s;
}

.menu-item-row:hover {
  border-color: rgba(94, 179, 246, 0.2);
  background: var(--card-hover);
}

.menu-item-row.disabled {
  opacity: 0.45;
}

.menu-item-row.editing {
  border-color: var(--accent);
  background: rgba(94, 179, 246, 0.05);
}

.menu-item-drag {
  color: var(--text-muted);
  cursor: grab;
  font-size: 16px;
  user-select: none;
}

.menu-item-icon-preview {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(94, 179, 246, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.menu-item-info {
  flex: 1;
  min-width: 0;
}

.menu-item-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.menu-item-sub {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu-item-tag-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  flex-shrink: 0;
}

.menu-item-tag-badge.hot {
  background: rgba(251, 146, 60, 0.15);
  color: #fb923c;
}

.menu-item-tag-badge.new {
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-secondary);
}

.menu-item-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* ── Edit Form Modal ── */

.edit-form-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.edit-form-overlay.show {
  display: flex;
}

.edit-form-modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 480px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
}

.edit-form-modal h3 {
  font-size: 18px;
  margin-bottom: 20px;
}

.edit-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ── Preview Panel ── */

.admin-preview {
  background: var(--sidebar);
  border-left: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.preview-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.preview-label span {
  color: var(--accent);
}

/* Reuse phone styles from main UI — scaled down */
.admin-preview .phone {
  transform: scale(0.92);
  transform-origin: top center;
}

.admin-preview .phone-screen {
  height: 720px;
}

.admin-preview .page-body {
  flex: 1;
  overflow-y: auto;
}

/* ── Toast ── */

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 300;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  border-color: rgba(74, 222, 128, 0.3);
  color: var(--success);
}

.toast.error {
  border-color: rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

/* ── Status bar ── */

.ui-draft-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: 8px;
  font-size: 12px;
  color: var(--accent-secondary);
  margin-bottom: 24px;
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(94, 179, 246, 0.08);
  border: 1px solid rgba(94, 179, 246, 0.15);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.status-dot.offline {
  background: var(--danger);
}

/* ── Responsive ── */

@media (max-width: 1200px) {
  .admin-layout {
    grid-template-columns: 200px 1fr;
  }

  .admin-preview {
    display: none;
  }
}

@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}