/* ═══════════════════════════════════════════════════════════
   IMPERIAL GLOW - ULTRA LUXURY DESIGN SYSTEM
   Rose Gold & Copper Elegance
   ═══════════════════════════════════════════════════════════ */

:root {
    /* Primary Brand Colors - Rose Gold/Copper Palette */
    --imperial-rose-gold: #C9A882;
    --imperial-copper: #B8956A;
    --imperial-gold: #D4AF76;
    --imperial-bronze: #A67C52;
    
    /* Accent Colors */
    --imperial-cream: #FAF7F2;
    --imperial-pearl: #F5F0E8;
    --imperial-champagne: #E8DCC8;
    
    /* Dark Tones */
    --imperial-dark: #2C2420;
    --imperial-charcoal: #3D3530;
    --imperial-brown: #4A3F35;
    
    /* Light Tones */
    --imperial-white: #FFFFFF;
    --imperial-off-white: #FDFCFA;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #C9A882 0%, #D4AF76 50%, #B8956A 100%);
    --gradient-secondary: linear-gradient(135deg, #FAF7F2 0%, #E8DCC8 100%);
    --gradient-dark: linear-gradient(135deg, #2C2420 0%, #3D3530 100%);
    --gradient-shine: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(201,168,130,0.2) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(201, 168, 130, 0.1);
    --shadow-md: 0 4px 16px rgba(201, 168, 130, 0.15);
    --shadow-lg: 0 8px 32px rgba(201, 168, 130, 0.2);
    --shadow-xl: 0 16px 48px rgba(201, 168, 130, 0.25);
    --shadow-glow: 0 0 40px rgba(201, 168, 130, 0.4);
}

/* ═══════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════ */

/* Background Colors */
.bg-rose-gold { background: var(--imperial-rose-gold) !important; }
.bg-copper { background: var(--imperial-copper) !important; }
.bg-gold { background: var(--imperial-gold) !important; }
.bg-cream { background: var(--imperial-cream) !important; }
.bg-pearl { background: var(--imperial-pearl) !important; }
.bg-dark { background: var(--imperial-dark) !important; }

/* Gradient Backgrounds */
.bg-gradient-primary { background: var(--gradient-primary) !important; }
.bg-gradient-secondary { background: var(--gradient-secondary) !important; }
.bg-gradient-dark { background: var(--gradient-dark) !important; }

/* Text Colors */
.text-rose-gold { color: var(--imperial-rose-gold) !important; }
.text-copper { color: var(--imperial-copper) !important; }
.text-gold { color: var(--imperial-gold) !important; }
.text-dark { color: var(--imperial-dark) !important; }

/* Gradient Text */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Shadows */
.shadow-imperial-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-imperial-md { box-shadow: var(--shadow-md) !important; }
.shadow-imperial-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-imperial-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-imperial-glow { box-shadow: var(--shadow-glow) !important; }

/* ═══════════════════════════════════════════════════════════
   BUTTONS - ULTRA LUXURY STYLE
   ═══════════════════════════════════════════════════════════ */

.btn-imperial {
    background: var(--gradient-primary);
    color: var(--imperial-white);
    border: none;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn-imperial::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-shine);
    transition: left 0.5s ease;
}

.btn-imperial:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    color: var(--imperial-white);
}

.btn-imperial:hover::before {
    left: 100%;
}

.btn-imperial-outline {
    background: transparent;
    color: var(--imperial-rose-gold);
    border: 2px solid var(--imperial-rose-gold);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-imperial-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.4s ease;
    z-index: -1;
}

.btn-imperial-outline:hover {
    color: var(--imperial-white);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-imperial-outline:hover::before {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════
   ADMIN SIDEBAR - LUXURY NAVIGATION
   ═══════════════════════════════════════════════════════════ */

#sidebar-wrapper {
    min-height: 100vh;
    width: 280px;
    background: var(--gradient-dark);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    position: relative;
}

#sidebar-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="%23C9A882" opacity="0.03"/></svg>');
    opacity: 0.5;
}

#sidebar-wrapper .sidebar-heading {
    background: var(--gradient-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 25px 20px;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

#sidebar-wrapper .list-group-item {
    background-color: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    padding: 16px 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
    position: relative;
    font-weight: 500;
}

#sidebar-wrapper .list-group-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.4s ease;
    opacity: 0.2;
}

#sidebar-wrapper .list-group-item:hover {
    background-color: rgba(201, 168, 130, 0.1);
    color: var(--imperial-gold);
    border-left-color: var(--imperial-gold);
    padding-left: 28px;
    box-shadow: var(--shadow-sm);
}

#sidebar-wrapper .list-group-item:hover::before {
    width: 100%;
}

#sidebar-wrapper .list-group-item.active {
    background: linear-gradient(90deg, rgba(201, 168, 130, 0.2) 0%, transparent 100%);
    color: var(--imperial-gold);
    border-left-color: var(--imperial-gold);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

#sidebar-wrapper .list-group-item i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

/* Page Content */
#page-content-wrapper {
    min-width: 100vw;
    background-color: #f8f9fa;
}

#wrapper.toggled #sidebar-wrapper {
    margin-left: -280px;
}

/* Top Navbar */
.admin-navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 20px;
}

/* ═══════════════════════════════════════════════════════════
   CARDS - LUXURY DESIGN
   ═══════════════════════════════════════════════════════════ */

.imperial-card {
    border: none;
    border-radius: 20px;
    background: var(--imperial-white);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.imperial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.imperial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.imperial-card:hover::before {
    transform: scaleX(1);
}

.imperial-card-header {
    background: var(--gradient-primary);
    color: var(--imperial-white);
    padding: 24px;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.imperial-card-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30%, -30%); }
}

/* ═══════════════════════════════════════════════════════════
   STATS CARDS - PREMIUM METRICS
   ═══════════════════════════════════════════════════════════ */

.stat-card {
    border-radius: 20px;
    padding: 32px;
    color: var(--imperial-white);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="80" cy="80" r="60" fill="white" opacity="0.1"/></svg>');
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
    50% { transform: scale(1.1) rotate(5deg); opacity: 0.8; }
}

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

.stat-card.rose-gold {
    background: linear-gradient(135deg, var(--imperial-rose-gold) 0%, var(--imperial-gold) 100%);
}

.stat-card.copper {
    background: linear-gradient(135deg, var(--imperial-copper) 0%, var(--imperial-bronze) 100%);
}

.stat-card.gold {
    background: linear-gradient(135deg, var(--imperial-gold) 0%, #E8C468 100%);
}

.stat-card.dark {
    background: var(--gradient-dark);
}

.stat-card .stat-icon {
    font-size: 3rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.stat-card .stat-label {
    font-size: 1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Tables */
.imperial-table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.imperial-table thead {
    background: linear-gradient(135deg, var(--imperial-purple) 0%, var(--imperial-accent) 100%);
    color: white;
}

.imperial-table thead th {
    border: none;
    padding: 15px;
    font-weight: 600;
}

.imperial-table tbody tr {
    transition: all 0.3s ease;
}

.imperial-table tbody tr:hover {
    background-color: var(--imperial-light);
    transform: scale(1.01);
}

/* Badges */
.badge-imperial {
    background: linear-gradient(135deg, var(--imperial-purple) 0%, var(--imperial-accent) 100%);
    padding: 8px 15px;
    border-radius: 20px;
}

/* Forms */
.imperial-form-control {
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.imperial-form-control:focus {
    border-color: var(--imperial-purple);
    box-shadow: 0 0 0 0.2rem rgba(139, 71, 137, 0.25);
}

.imperial-form-label {
    color: var(--imperial-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading Spinner */
.imperial-spinner {
    border: 3px solid var(--imperial-light);
    border-top: 3px solid var(--imperial-purple);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar-wrapper {
        margin-left: -280px;
    }
    
    #wrapper.toggled #sidebar-wrapper {
        margin-left: 0;
    }
    
    #page-content-wrapper {
        min-width: 0;
        width: 100%;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

/* Progress Bars */
.imperial-progress {
    height: 25px;
    border-radius: 15px;
    background-color: var(--imperial-light);
    overflow: hidden;
}

.imperial-progress-bar {
    background: linear-gradient(90deg, var(--imperial-purple) 0%, var(--imperial-gold) 100%);
    height: 100%;
    transition: width 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Modal */
.imperial-modal .modal-header {
    background: linear-gradient(135deg, var(--imperial-purple) 0%, var(--imperial-accent) 100%);
    color: white;
    border: none;
}

.imperial-modal .modal-content {
    border-radius: 15px;
    border: none;
}

/* Alerts */
.alert-imperial {
    background: linear-gradient(135deg, rgba(139, 71, 137, 0.1) 0%, rgba(199, 125, 199, 0.1) 100%);
    border-left: 4px solid var(--imperial-purple);
    border-radius: 10px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--imperial-purple) 0%, var(--imperial-accent) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--imperial-dark);
}

/* Utility Classes */
.shadow-imperial {
    box-shadow: 0 10px 30px rgba(139, 71, 137, 0.2) !important;
}

.border-imperial {
    border-color: var(--imperial-purple) !important;
}

.gradient-text {
    background: linear-gradient(135deg, var(--imperial-purple) 0%, var(--imperial-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}