/* ==========================================================================
   1. VARIABLES & CORE STYLES
   ========================================================================== */
:root {
    --primary-color: #2c5e3b;      /* Forest Green */
    --secondary-color: #cda250;    /* Safari Gold */
    --dark-color: #1a251c;         /* Deep Charcoal/Earth Black */
    --light-color: #f4f7f5;        /* Soft Off-White */
    --white: #ffffff;
    --danger-color: #b83b1d;       /* Red/Alert color */
    --success-color: #2e7d32;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition: all 0.3s ease;
}

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

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Flexbox Sticky Footer Setup */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1 0 auto;
    margin-top: 30px;
    margin-bottom: 30px;
}

/* ==========================================================================
   2. LAYOUT & CONTAINERS
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   3. NAVIGATION (RESPONSIVE)
   ========================================================================== */
.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 0;
    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;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
}

/* ==========================================================================
   4. CARDS & DASHBOARD COMPONENTS
   ========================================================================== */
.card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
}

.card.danger { border-left-color: var(--danger-color); }
.card.warning { border-left-color: var(--secondary-color); }
.card.success { border-left-color: var(--success-color); }

.stat-number {
    font-size: 32px;
    font-weight: bold;
    margin: 10px 0;
}

/* ==========================================================================
   5. FORMS & INPUTS
   ========================================================================== */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(44, 94, 59, 0.3);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary { background-color: var(--primary-color); color: var(--white); }
.btn-primary:hover { background-color: #1e3f28; }

.btn-secondary { background-color: var(--secondary-color); color: var(--dark-color); }
.btn-secondary:hover { background-color: #b58e43; }

.btn-danger { background-color: var(--danger-color); color: var(--white); }
.btn-danger:hover { background-color: #962f17; }

/* ==========================================================================
   6. TABLES & DATA LISTS
   ========================================================================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #f8fafd;
    font-weight: 600;
    color: var(--dark-color);
}

tr:hover {
    background-color: #fafafa;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success { background-color: #e8f5e9; color: var(--success-color); }
.badge-danger { background-color: #ffebee; color: var(--danger-color); }
.badge-warning { background-color: #fff8e1; color: #f57f17; }

/* ==========================================================================
   7. MAP & SIMULATION AREA
   ========================================================================== */
#map {
    width: 100%;
    height: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    z-index: 1;
}

.simulation-panel {
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
footer {
    background-color: var(--dark-color);
    color: #a0a0a0;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
    flex-shrink: 0;
}

/* ==========================================================================
   9. MOBILE RESPONSIVENESS
   ========================================================================== */
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background-color: var(--primary-color);
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 12px;
    }
}