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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f3f4f6;
  color: #1f2937;
}

/* NAV */
nav {
  background: #1e3a5f;
  color: #fff;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
}

.nav-links a:hover { color: #fff; }
.nav-links a.active { background: rgba(255,255,255,0.15); color: #fff; }

.nav-user {
  font-size: 13px;
  color: #94a3b8;
}

.nav-user a { color: #94a3b8; text-decoration: none; }
.nav-user a:hover { color: #fff; }

/* LAYOUT */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  font-size: 22px;
  color: #1e3a5f;
  margin-bottom: 20px;
}

/* PANELS */
.panel {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  margin-bottom: 16px;
}

/* BUTTONS */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary { background: #1e3a5f; color: #fff; }
.btn-primary:hover { background: #15304f; }
.btn-secondary { background: #fff; color: #374151; border: 1px solid #d1d5db; }
.btn-secondary:hover { background: #f3f4f6; }

/* FORMS */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1e3a5f;
  box-shadow: 0 0 0 2px rgba(30,58,95,0.1);
}

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: #f9fafb;
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #9ca3af;
  font-weight: 600;
  border-bottom: 2px solid #e5e7eb;
}

tbody tr { border-bottom: 1px solid #f3f4f6; }
tbody tr:hover { background: #f0f7ff; }
tbody td { padding: 10px 12px; font-size: 13px; }

/* STATUS */
.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}