:root {
    --primary-navy: #1a237e;
    --secondary-slate: #455a64;
    --accent-gold: #fbc02d;
    --light-bg: #f4f7f6;
    --white: #ffffff;
    --success: #27ae60;
    --danger: #d32f2f;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    margin: 0;
    color: #333;
}

/* Navbar Styling */
.navbar {
    background-color: var(--primary-navy);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.btn-logout {
    background: var(--danger);
    padding: 5px 15px;
    border-radius: 4px;
    color: white !important;
}

/* Layout Containers */
.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Dashboard Cards */
.card {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.big-num {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-navy);
    margin-top: 10px;
}

/* Table Styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th {
    text-align: left;
    background: #f8f9fa;
    padding: 12px;
    border-bottom: 2px solid #eee;
}

td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-navy);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}