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

:root {
  --primary: #f2c811;
  --primary-dark: #d4a80a;
  --danger: #e74c3c;
  --danger-dark: #c0392b;
  --bg: #f5f6fa;
  --card-bg: #ffffff;
  --text: #2c3e50;
  --text-secondary: #7f8c8d;
  --border: #e0e4e8;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1260px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.logo svg { color: var(--primary); }

.header-actions { display: flex; gap: 8px; }

.main {
  max-width: 1260px;
  margin: 0 auto;
  padding: 24px;
}

.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  align-items: center;
}

.search-box {
  flex: 1;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--card-bg);
  transition: border-color 0.2s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(242,200,17,0.15);
}

.search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.select {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  min-width: 140px;
}

.select:focus {
  outline: none;
  border-color: var(--primary);
}

.btn {
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #1a1a1a;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--text-secondary); background: #f8f9fa; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: var(--danger-dark); }

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}

.btn-icon {
  padding: 6px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}
.btn-icon:hover { color: var(--text); border-color: var(--border); background: #f8f9fa; }
.btn-icon.danger:hover { color: var(--danger); border-color: #f5c6cb; background: #fff5f5; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.card:hover { box-shadow: var(--shadow-hover); }

.card-image {
  width: 100%;
  height: 200px;
  background: #eef0f4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

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

.card-image .no-image {
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.card-body {
  padding: 16px;
}

.card-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #856404;
  background: #fff3cd;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.card-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.card-actions .btn { flex: 1; text-align: center; justify-content: center; }

.admin-card-actions {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-state p { margin-top: 16px; font-size: 1.1rem; }
.empty-state .sub { font-size: 0.9rem; color: #b0b8c1; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 28px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  animation: slideUp 0.2s;
}

@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-wide { max-width: 580px; }
.modal-sm { max-width: 400px; }

.modal h2 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text);
}

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

.field input,
.field textarea {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.93rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(242,200,17,0.15);
}

.field textarea { resize: vertical; min-height: 70px; }

.upload-area {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

.upload-area:hover { border-color: var(--primary); }

.upload-placeholder {
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
}

.upload-preview {
  max-width: 100%;
  max-height: 250px;
  border-radius: 6px;
  margin-bottom: 8px;
}

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

.error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.delete-title {
  font-weight: 700;
  margin-top: 8px;
  color: var(--text);
}

.alert {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 300;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: slideIn 0.25s;
}

@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.alert-success { background: #d4edda; color: #155724; }
.alert-error { background: #f8d7da; color: #721c24; }

.footer {
  text-align: center;
  padding: 20px 24px;
  font-size: 0.78rem;
  color: #999;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

@media (max-width: 768px) {
  .cards-grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; }
  .header-inner { padding: 12px 16px; flex-direction: column; gap: 10px; align-items: stretch; }
  .header-actions { justify-content: flex-end; }
}