:root {
  --admin-bg: #f5f5f7;
  --admin-card: #ffffff;
  --admin-border: #e0e0e0;
  --admin-text: #1d1d1f;
  --admin-text-light: #6e6e73;
  --admin-primary: #0071e3;
  --admin-primary-hover: #0077ed;
  --admin-danger: #e53935;
  --admin-success: #34c759;
  --admin-amber: #e8a838;
  --admin-radius: 8px;
  --admin-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--admin-font);
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.5;
}

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 24px;
}

.login-card {
  background: var(--admin-card);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-header h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: 4px; }
.login-header p { color: var(--admin-text-light); font-size: 0.9rem; }

.login-error {
  color: var(--admin-danger);
  font-size: 0.85rem;
  margin-top: 12px;
  text-align: center;
  min-height: 20px;
}

/* Fields */
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--admin-text-light);
  margin-bottom: 6px;
}

.field input, .field textarea, .field select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  font-family: var(--admin-font);
  font-size: 0.95rem;
  color: var(--admin-text);
  background: var(--admin-card);
  transition: border-color 0.2s;
}

.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.field textarea { resize: vertical; }
.field small { display: block; margin-top: 4px; font-size: 0.8rem; color: var(--admin-text-light); }
.field small a { color: var(--admin-primary); }
.field code {
  background: #f0f0f0;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.8rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--admin-radius);
  font-family: var(--admin-font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--admin-primary);
  color: white;
}
.btn-primary:hover { background: var(--admin-primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: #f0f0f0;
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}
.btn-secondary:hover { background: #e5e5e5; }

.btn-danger {
  background: var(--admin-danger);
  color: white;
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

.btn-full { width: 100%; }

/* Admin Header */
.admin-header {
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header-left { display: flex; align-items: center; gap: 16px; }
.admin-header-left h1 { font-size: 1.1rem; font-weight: 800; }

.view-site-link {
  color: var(--admin-primary);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
}
.view-site-link:hover { text-decoration: underline; }

.admin-header-right { display: flex; align-items: center; gap: 12px; }

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: #e8f5e9;
  color: #2e7d32;
}

.status-badge.unsaved {
  background: #fff3e0;
  color: #e65100;
}

.status-badge.publishing {
  background: #e3f2fd;
  color: #1565c0;
}

/* Admin Nav */
.admin-nav {
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  padding: 0 24px;
  display: flex;
  overflow-x: auto;
  gap: 4px;
}

.admin-tab {
  padding: 12px 16px;
  background: none;
  border: none;
  font-family: var(--admin-font);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--admin-text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}

.admin-tab:hover { color: var(--admin-text); }
.admin-tab.active {
  color: var(--admin-primary);
  border-bottom-color: var(--admin-primary);
  font-weight: 600;
}

/* Main Content */
.admin-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 24px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.tab-panel h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--admin-border);
}

.tab-panel h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 28px 0 16px;
  color: var(--admin-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

/* Array Editors (timeline, cards, articles) */
.array-item {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 20px;
  margin-bottom: 12px;
  position: relative;
}

.array-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.array-item-header strong {
  font-size: 0.85rem;
  color: var(--admin-text-light);
}

.array-item .remove-btn {
  background: none;
  border: none;
  color: var(--admin-danger);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--admin-font);
}
.array-item .remove-btn:hover { text-decoration: underline; }

/* Image Upload */
.image-upload {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  background: #fafafa;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
}

.image-preview {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 6px;
  background: #eee;
}

/* Gallery Editor */
.gallery-image-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 16px;
  margin-bottom: 12px;
}

.gallery-image-item img {
  width: 160px;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  background: #eee;
  flex-shrink: 0;
}

.gallery-image-fields { flex: 1; }
.gallery-image-fields .field { margin-bottom: 10px; }
.gallery-image-fields .field:last-child { margin-bottom: 0; }

.gallery-image-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.gallery-image-actions label.btn {
  cursor: pointer;
}

.wide-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--admin-text-light);
}

.wide-toggle input { width: auto; }

/* Stats Editor */
.stat-row {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}
.stat-row input { flex: 1; }

/* Responsive */
@media (max-width: 640px) {
  .admin-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .login-card { padding: 32px 24px; }
  .gallery-image-item { flex-direction: column; }
  .gallery-image-item img { width: 100%; height: 160px; }
}