:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-hover: #243044;
  --border: #2d3a4f;
  --text: #e8edf4;
  --text-muted: #8b9cb3;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --accent: #f59e0b;
  --success: #10b981;
  --error: #ef4444;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: "Vazirmatn", "Tahoma", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--primary-hover);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  text-decoration: none;
}

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

.btn-outline:hover {
  background: var(--surface-hover);
  text-decoration: none;
}

.btn-accent {
  background: var(--accent);
  color: #111;
  font-weight: 600;
}

main {
  padding: 2rem 0 4rem;
}

.page-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.flash-messages {
  margin-bottom: 1.5rem;
}

.flash {
  padding: 0.85rem 1.1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.flash-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--success);
  color: #6ee7b7;
}

.flash-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--error);
  color: #fca5a5;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

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

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-image {
  height: 160px;
  background: linear-gradient(135deg, var(--surface-hover), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

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

.card-body {
  padding: 1.1rem;
}

.card-title {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.card-title a {
  color: var(--text);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--primary-hover);
}

.card-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.tag {
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-hover);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.78rem;
}

.section {
  margin-bottom: 3rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 1.3rem;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 480px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.6rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.88rem;
}

.checkbox-item:has(input:checked) {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.checkbox-item input {
  accent-color: var(--primary);
}

.search-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.search-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 0.65rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
}

.search-bar select {
  padding: 0.65rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
}

.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 700px;
}

.detail-title {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.detail-meta {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.detail-desc {
  line-height: 1.9;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-hover);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.admin-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

.hero {
  text-align: center;
  padding: 2.5rem 1rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(245, 158, 11, 0.1));
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.hero p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}