:root {
    --admin-primary: #0a0a0a;
    --admin-sidebar: #121212;
    --admin-accent: #d4af37;
    --admin-accent-gradient: linear-gradient(135deg, #d4af37 0%, #f1d592 100%);
    --admin-bg: #f8f9fa;
    --admin-card-bg: #ffffff;
    --admin-text: #2d3436;
    --sidebar-width: 280px;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
}

body {
    background-color: var(--admin-bg);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    color: var(--admin-text);
}

/* Sidebar */
.sidebar {
    height: 100vh;
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    background: var(--admin-sidebar);
    background: linear-gradient(180deg, #121212 0%, #050505 100%);
    color: white;
    padding-top: 1.5rem;
    transition: all 0.3s;
    z-index: 1000;
    border-right: 1px solid rgba(212, 175, 55, 0.1);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
}

.sidebar-header h3 {
    color: var(--admin-accent);
    font-size: 1.4rem;
    font-family: 'Outfit', sans-serif;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 1px;
    font-weight: 700;
}

.nav-link {
    color: rgba(255, 255, 255, 0.6) !important;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid transparent;
    margin: 4px 12px;
    border-radius: 8px;
}

.nav-link:hover {
    background: rgba(212, 175, 55, 0.05);
    color: white !important;
    transform: translateX(5px);
}

.nav-link.active {
    background: rgba(212, 175, 55, 0.1);
    color: var(--admin-accent) !important;
    border-left: none;
    font-weight: 600;
    box-shadow: inset 0 0 10px rgba(212, 175, 55, 0.05);
}

.nav-link i {
    width: 24px;
    font-size: 1.1rem;
    color: var(--admin-accent);
    opacity: 0.8;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 2.5rem;
    transition: all 0.3s;
}

/* Cards */
.card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    background: white;
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-header {
    background: white;
    border-bottom: 1px solid #f1f1f1;
    padding: 1.5rem;
}

.card-title {
    color: var(--admin-primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0;
    font-family: 'Outfit', sans-serif;
}

/* Forms */
.form-control,
.form-select {
    border-radius: 10px;
    border: 1px solid #eef0f2;
    padding: 0.8rem 1.2rem;
    background-color: #f9fafb;
    transition: all 0.2s;
}

.form-control:focus {
    background-color: white;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.btn-primary {
    background: var(--admin-primary);
    background: var(--admin-accent-gradient);
    border: none;
    color: #000;
    font-weight: 700;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
    color: #000;
}

.btn-success {
    background-color: #10b981;
    border: none;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 700;
    color: #888;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    padding: 1.25rem 1.5rem;
    background: #fbfbfc;
    border-bottom: 1px solid #f1f1f1;
}

.table td {
    padding: 1.25rem 1.5rem;
    vertical-align: middle;
    color: var(--admin-text);
    border-bottom: 1px solid #f8f9fa;
}

.table img {
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Login Overlay */
.admin-login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    background-image: 
        radial-gradient(at 0% 0%, rgba(212, 175, 55, 0.15) 0, transparent 50%), 
        radial-gradient(at 100% 100%, rgba(212, 175, 55, 0.1) 0, transparent 50%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

/* Responsive */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }

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