:root {
    --black: #0d0d0d;
    --dark: #1a1a1a;
    --gold: #d4af37;
    --gold-light: #f0d77b;
    --gold-dark: #b8960c;
    --white: #f5f5f5;
    --gray: #888;
    --sidebar-width: 260px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--black);
    color: var(--white);
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    border-right: 2px solid var(--gold);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 25px 20px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
    border-bottom: 1px solid #333;
    text-align: center;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: block;
    padding: 13px 25px;
    color: var(--gold-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    border-left-color: var(--gold);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid #333;
}

.user-name {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 10px;
    background: rgba(220, 53, 69, 0.15);
    color: #ff6b6b;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.3);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    background: var(--dark);
    border-bottom: 1px solid #333;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gold);
    font-size: 1.5rem;
    cursor: pointer;
}

.topbar-title {
    color: var(--gold-light);
    font-size: 1.1rem;
}

.content {
    padding: 25px;
    max-width: 1200px;
}

/* ===== LOGIN ===== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #0d0d0d 100%);
}

.login-box {
    background: var(--dark);
    border: 2px solid var(--gold);
    border-radius: 12px;
    padding: 40px 30px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.25);
}

.login-box h1 {
    text-align: center;
    color: var(--gold);
    font-size: 1.9rem;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--gold-light);
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: #111;
    border: 1px solid #333;
    border-radius: 6px;
    color: white;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #111;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid #dc3545;
    color: #ff6b6b;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid #28a745;
    color: #51cf66;
}

.alert-info {
    background: rgba(23, 162, 184, 0.2);
    border: 1px solid #17a2b8;
    color: #66d9ef;
}

/* ===== CARDS & STATS ===== */
.card {
    background: var(--dark);
    border: 1px solid #333;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
}

.card h2 {
    color: var(--gold);
    margin-bottom: 20px;
    font-size: 1.35rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
}

.stat-box {
    background: #111;
    border: 1px solid var(--gold-dark);
    border-radius: 8px;
    padding: 20px 15px;
    text-align: center;
}

.stat-box .number {
    font-size: 1.7rem;
    color: var(--gold);
    font-weight: 700;
}

.stat-box .label {
    color: var(--gray);
    margin-top: 6px;
    font-size: 0.85rem;
}

/* ===== TABLES ===== */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th {
    background: #111;
    color: var(--gold);
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid #333;
}

td {
    padding: 11px 10px;
    border-bottom: 1px solid #222;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .content {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

/* ===== LOGO ===== */
.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
}

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-title {
    color: #d4af37;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.logo-subtitle {
    color: #f0d77b;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
}

/* ===== NAV ICONS ===== */
.nav-item i {
    width: 22px;
    margin-right: 10px;
    text-align: center;
    color: #d4af37;
}

.nav-item:hover i {
    color: #f0d77b;
}

.nav-section {
    color: #666;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 18px 25px 6px;
    text-transform: uppercase;
}

    .nav-section {
    color: #666;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 18px 25px 6px;
    text-transform: uppercase;
}
}