/* LP3I Referral Voucher System - Global Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

a {
    color: #1a5d3a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    cursor: pointer;
    transition: all 0.3s;
}

/* Shared admin sidebar (used via includes/sidebar.php on every admin page) */
.sidebar {
    width: 250px;
    background: #1a5d3a;
    color: white;
    padding: 20px;
}

.sidebar h2 {
    margin-bottom: 30px;
}

.sidebar a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 5px;
    transition: background 0.3s;
}

.sidebar a:hover,
.sidebar a.active {
    background: rgba(255, 255, 255, 0.2);
}

.sidebar a.logout {
    margin-top: 30px;
    background: rgba(255, 0, 0, 0.2);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.hidden { display: none; }
.visible { display: block; }

/* Responsive */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .sidebar {
        width: 100% !important;
        padding: 10px !important;
    }

    .container {
        flex-direction: column !important;
    }

    .main-content {
        padding: 15px !important;
    }
}