:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --border-color: #cbd5e1;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  width: 100%;
}

header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  width: 100%;
}

header .container,
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.admin-wrap {
  max-width: 1100px;
  margin: 30px auto;
  background: var(--bg-white);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.stat-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.stat-card h3 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-top: 5px;
}

.admin-menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  margin-top: 30px;
}

.admin-menu-item {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dark);
  display: block;
  transition: 0.2s;
}

.admin-menu-item:hover {
  background: #eff6ff;
  border-color: var(--primary-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: var(--bg-white);
}

th, td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: var(--bg-light);
  font-weight: 600;
}

.badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }

.btn-submit, .btn-approve {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
}

.btn-submit:hover, .btn-approve:hover {
  background: var(--primary-hover);
}

footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-color);
  padding: 25px 0;
  margin-top: auto;
  text-align: center;
  color: var(--text-light);
  font-size: 0.85rem;
}