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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f6fb;
    min-height: 100vh;
    color: #2d3748;
}

.app-navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    padding: 40px;
}

.login-card h1 {
    font-size: 26px;
    color: #2d3748;
    text-align: center;
    margin-bottom: 6px;
}

.login-subtitle {
    text-align: center;
    color: #718096;
    margin-bottom: 28px;
    font-size: 14px;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}

.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.25s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.4);
}

.form-control, .form-select {
    border-radius: 8px;
    padding: 10px 14px;
}

.form-control:focus, .form-select:focus {
    border-color: #764ba2;
    box-shadow: 0 0 0 0.2rem rgba(118, 75, 162, 0.15);
}

.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    background: #edf2f7;
    color: #4a5568;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid #e2e8f0;
}

.module-card {
    transition: all 0.3s;
    cursor: pointer;
    border-radius: 12px;
    height: 100%;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.25);
}

.module-icon {
    font-size: 2.4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.stat-box {
    border-radius: 12px;
    padding: 18px;
    color: white;
}

.stat-box .stat-value {
    font-size: 1.9rem;
    font-weight: 700;
}

.stat-box .stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.bg-grad {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.num-cell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #667eea;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 1px;
}

.num-cell.hot {
    background: #e53e3e;
}

.num-cell.cold {
    background: #38a169;
}

.heat-bar {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 6px;
    height: 12px;
}

.badge-superadmin {
    background: #f6ad55;
    color: #2d3748;
}

.pagination-info {
    color: #718096;
    font-size: 0.85rem;
}

.instructions {
    background: #edf2f7;
    padding: 18px;
    border-radius: 8px;
}

.instructions h5 {
    color: #2d3748;
    margin-bottom: 10px;
}

.instructions ul {
    margin-bottom: 0;
    color: #4a5568;
    line-height: 1.7;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    border-radius: 10px;
}