/* Reset & Base */
* { box-sizing: border-box; }
body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  margin: 0;
  background: #f4f6f9;
  color: #333;
  line-height: 1.5;
}
h2, h3 { margin-top: 0; font-weight: 600; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  background: #1f2937;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}
.site-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: bold;
}
.site-header .nav a {
  margin: 0 10px;
  color: #e5e7eb;
}
.site-header .nav a:hover { color: #fff; }
.user-info { display: flex; gap: 10px; }

/* Layout */
main { padding: 20px; display: grid; gap: 20px; }

/* Cards */
.card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.card h3 { margin-bottom: 12px; }

/* Forms */
form label {
  display: block;
  font-size: 14px;
  margin: 10px 0 4px;
  font-weight: 500;
}
form input, form select, form button {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
}
form input:focus, form select:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}
form button {
  margin-top: 14px;
  background: #2563eb;
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}
form button:hover { background: #1d4ed8; }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 14px;
}
th, td {
  padding: 10px;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
}
th { background: #f9fafb; font-weight: 600; }

/* Buttons small */
.btn, .btn-small {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
.btn-small { padding: 6px 10px; font-size: 13px; }
.btn:hover, .btn-small:hover { background: #1d4ed8; }

/* Badges */
.badge {
  background: #374151;
  color: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
}
/* Make tables scrollable on small screens */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

/* Grid form layout */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.form-grid label { grid-column: span 2; }
.form-grid input, .form-grid select { width: 100%; }

/* On very small screens, stack everything */
@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}