/**
 * Helius - Global Theme Stylesheet
 * Golden Black Grey Theme for Crypto Platform
 * ============================================
 */

/* ============================================================================
   CSS VARIABLES - THEME COLORS
   ============================================================================ */

:root {
    /* Gold Palette */
    --gold-primary: #D4AF37;
    --gold-light: #F4E5B2;
    --gold-dark: #996515;
    --golden: #D4AF37;
    --golden-dark: #996515;
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4E5B2 50%, #D4AF37 100%);
    --gold-shimmer: linear-gradient(90deg, #D4AF37 0%, #F4E5B2 25%, #D4AF37 50%, #F4E5B2 75%, #D4AF37 100%);
    
    /* Modern Accent Colors for Dark Theme */
    --accent-cyan: #00D9FF;
    --accent-cyan-light: rgba(0, 217, 255, 0.15);
    --accent-purple: #8B5CF6;
    --accent-purple-light: rgba(139, 92, 246, 0.15);
    --accent-emerald: #10B981;
    --accent-emerald-light: rgba(16, 185, 129, 0.15);
    --accent-rose: #F43F5E;
    --accent-rose-light: rgba(244, 63, 94, 0.15);
    --accent-amber: #F59E0B;
    --accent-amber-light: rgba(245, 158, 11, 0.15);
    --accent-blue: #3B82F6;
    --accent-blue-light: rgba(59, 130, 246, 0.15);
    
    /* Dark Theme (Default) */
    --bg-primary: #0A0A0C;
    --bg-secondary: #141418;
    --bg-tertiary: #1E1E24;
    --bg-card: #141418;
    --bg-input: #1E1E24;
    --bg-glass: rgba(20, 20, 24, 0.85);
    --bg-elevated: #1A1A20;
    
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --text-dark: #52525B;
    
    --border-color: #27272A;
    --border-light: #3F3F46;
    --border-glow: rgba(212, 175, 55, 0.3);
    
    /* Status Colors */
    --success: #22C55E;
    --success-light: rgba(34, 197, 94, 0.15);
    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.15);
    --info: #06B6D4;
    --info-light: rgba(6, 182, 212, 0.15);
    
    /* Gradients */
    --gradient-gold-radial: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
    --gradient-cyan-radial: radial-gradient(ellipse at center, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    --gradient-purple-radial: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    --gradient-card: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
    --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.2);
    --shadow-cyan: 0 4px 20px rgba(0, 217, 255, 0.3);
    --shadow-purple: 0 4px 20px rgba(139, 92, 246, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Font Families */
    --font-primary: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Montserrat', 'SF Pro Display', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;
    --fs-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-input: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --bg-elevated: #FFFFFF;
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-dark: #1E293B;
    
    --border-color: #E2E8F0;
    --border-light: #CBD5E1;
    --border-glow: rgba(212, 175, 55, 0.2);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
    --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.15);
    
    /* Light theme accent adjustments */
    --accent-cyan: #0891B2;
    --accent-purple: #7C3AED;
    --accent-emerald: #059669;
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--fs-4xl); font-weight: 700; }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--gold-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--gold-light);
}

/* Text Utilities */
.text-gold { color: var(--gold-primary) !important; }
.text-gold-light { color: var(--gold-light) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }

.text-thin { font-weight: 100; }
.text-light { font-weight: 300; }
.text-regular { font-weight: 400; }
.text-medium { font-weight: 500; }
.text-semibold { font-weight: 600; }
.text-bold { font-weight: 700; }

.text-uppercase { text-transform: uppercase; letter-spacing: 0.1em; }
.text-gradient {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-gold,
.btn-primary {
    background: var(--gold-gradient) !important;
    color: #000 !important;
    box-shadow: var(--shadow-gold);
    border: none !important;
}

.btn-gold:hover,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.4);
    color: #000 !important;
    background: var(--gold-gradient) !important;
    border: none !important;
}

.btn-outline-gold,
.btn-outline {
    background: transparent !important;
    border: 2px solid var(--gold-primary) !important;
    color: var(--gold-primary) !important;
}

.btn-outline-gold:hover,
.btn-outline:hover,
.btn-outline:focus {
    background: var(--gold-primary) !important;
    color: #000 !important;
}

.btn-dark {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-dark:hover {
    background: var(--bg-tertiary);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--fs-xs);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--fs-base);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ============================================================================
   LOGO & BRANDING - GOLDEN EMBOSSED EFFECT
   ============================================================================ */

/* Base Logo icon styling */
.logo-icon {
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.3));
}

/* Golden embossed text effect */
.logo-text-embossed {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: linear-gradient(
        180deg,
        #F4E5B2 0%,
        #D4AF37 20%,
        #996515 45%,
        #D4AF37 55%,
        #F4E5B2 75%,
        #D4AF37 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    position: relative;
    display: inline-block;
}

.logo-text-embossed::before {
    content: 'Helius';
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.4) 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    z-index: 1;
}

.logo-text-embossed::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0.6;
}

/* ===== WEBSITE NAVBAR (Desktop) ===== */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.navbar-logo .logo-icon {
    width: 42px;
    height: 42px;
}

.navbar-logo .logo-text-embossed {
    font-size: 1.6rem;
}

/* ===== MOBILE NAVBAR ===== */
.navbar-logo.mobile-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.navbar-logo.mobile-logo .logo-text-embossed {
    font-size: 1.4rem;
}

/* ===== USER SIDEBAR ===== */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    padding: 0.5rem;
}

.sidebar-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.sidebar-logo .logo-text-embossed {
    font-size: 1.25rem;
}

/* ===== ADMIN SIDEBAR ===== */
.sidebar-brand a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.sidebar-brand .logo-icon {
    width: 34px;
    height: 34px;
}

.sidebar-brand .logo-text-embossed {
    font-size: 1.3rem;
}

/* ===== FOOTER ===== */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    width: 44px;
    height: 44px;
}

.footer-logo .logo-text-embossed {
    font-size: 1.5rem;
}

/* ===== AUTH PAGES (Login, Register, etc.) ===== */
.auth-logo {
    display: block;
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo img {
    width: 140px;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.3));
}

/* ===== PRELOADER ===== */
.preloader-icon-wrapper .logo-icon,
.preloader-icon {
    width: 70px;
    height: 70px;
}

/* Light theme adjustments */
[data-theme="light"] .logo-text-embossed {
    background: linear-gradient(
        180deg,
        #D4AF37 0%,
        #996515 30%,
        #704d00 50%,
        #996515 70%,
        #D4AF37 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.card-gold {
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
}

.card-gold .card-header {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(212, 175, 55, 0.05) 100%);
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 300;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: var(--fs-lg);
}

.form-control-sm {
    padding: 0.5rem 0.75rem;
    font-size: var(--fs-sm);
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-muted);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--gold-primary);
    cursor: pointer;
}

.form-text {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.is-invalid {
    border-color: var(--danger) !important;
}

.invalid-feedback {
    color: var(--danger);
    font-size: var(--fs-sm);
    margin-top: var(--spacing-xs);
}

.form-control:disabled,
.form-control[readonly] {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-color: var(--border-color);
    opacity: 0.7;
}

.form-select {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.875rem 2.5rem 0.875rem 1rem;
    transition: all var(--transition-fast);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23A1A1AA' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

input[type="date"].form-control,
input[type="datetime-local"].form-control,
input[type="time"].form-control {
    color-scheme: dark;
}

[data-theme="light"] input[type="date"].form-control,
[data-theme="light"] input[type="datetime-local"].form-control,
[data-theme="light"] input[type="time"].form-control {
    color-scheme: light;
}

/* ============================================================================
   TABLES
   ============================================================================ */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: var(--fs-xs);
    letter-spacing: 0.05em;
    background: var(--bg-tertiary);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--fs-xs);
    font-weight: 500;
    border-radius: var(--radius-xl);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-gold {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-primary);
}

.badge-success, .bg-success {
    background: var(--success-light) !important;
    color: var(--success) !important;
}

.badge-danger, .bg-danger {
    background: var(--danger-light) !important;
    color: var(--danger) !important;
}

.badge-warning, .bg-warning {
    background: var(--warning-light) !important;
    color: var(--warning) !important;
}

.badge-info, .bg-info {
    background: var(--info-light) !important;
    color: var(--info) !important;
}

.badge-secondary, .bg-secondary {
    background: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
}

.badge-primary, .bg-primary {
    background: rgba(212, 175, 55, 0.15) !important;
    color: var(--gold-primary) !important;
}

/* ============================================================================
   ALERTS
   ============================================================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: var(--success-light);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: var(--danger-light);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: var(--info-light);
    border-color: var(--info);
    color: var(--info);
}

/* ============================================================================
   MODALS
   ============================================================================ */

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header .btn-close {
    filter: invert(1);
}

[data-theme="light"] .modal-header .btn-close {
    filter: none;
}

.modal-title {
    margin-bottom: 0;
    font-size: var(--fs-xl);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.modal-backdrop {
    background: rgba(0, 0, 0, 0.8);
}

/* ============================================================================
   DROPDOWN
   ============================================================================ */

.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 200px;
}

.dropdown-item {
    padding: 0.625rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--gold-primary);
}

.dropdown-item.active {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-primary);
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: var(--spacing-sm) 0;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-fast);
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--gold-primary);
    background: transparent;
    border-bottom-color: var(--gold-primary);
}

/* ============================================================================
   PROGRESS
   ============================================================================ */

.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.progress-bar {
    background: var(--gold-gradient);
    border-radius: var(--radius-xl);
    transition: width var(--transition-slow);
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--gold-primary), 0 0 10px var(--gold-primary); }
    50% { box-shadow: 0 0 20px var(--gold-primary), 0 0 30px var(--gold-primary); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease forwards; }
.animate-slideInLeft { animation: slideInLeft 0.5s ease forwards; }
.animate-slideInRight { animation: slideInRight 0.5s ease forwards; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }

/* Staggered animations */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Background */
.bg-dark { background: var(--bg-primary) !important; }
.bg-card { background: var(--bg-card) !important; }
.bg-gold { background: var(--gold-primary) !important; }
.bg-gold-gradient { background: var(--gold-gradient) !important; }
.bg-transparent { background: transparent !important; }

/* Border */
.border-gold { border-color: var(--gold-primary) !important; }

/* ============================================================================
   ANIMATED PRELOADER - GOLDEN GLOW & SPARKLES
   ============================================================================ */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0d0d0d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Icon Container - holds icon, ring, sparkles */
.preloader-icon-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Rotating Ring with Glow */
.preloader-ring {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--gold-primary);
    border-right-color: rgba(212, 175, 55, 0.5);
    animation: preloaderRingSpin 1.5s linear infinite;
    z-index: 2;
}

.preloader-ring::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-bottom-color: var(--gold-light);
    border-left-color: rgba(244, 229, 178, 0.3);
    animation: preloaderRingSpinReverse 2s linear infinite;
}

.ring-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    animation: preloaderGlowPulse 2s ease-in-out infinite;
    z-index: 1;
}

/* Center Icon */
.preloader-icon {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    animation: preloaderIconPulse 2s ease-in-out infinite;
}

.preloader-icon img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.6));
}

/* Sparkles */
.preloader-sparkles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 200px;
    height: 200px;
    pointer-events: none;
    z-index: 3;
}

.preloader-sparkles .sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold-light);
    border-radius: 50%;
    opacity: 0;
    animation: sparkleFloat 2.5s ease-in-out infinite;
}

.preloader-sparkles .sparkle:nth-child(1) {
    top: 10%;
    left: 50%;
    animation-delay: 0s;
}

.preloader-sparkles .sparkle:nth-child(2) {
    top: 25%;
    left: 85%;
    animation-delay: 0.3s;
}

.preloader-sparkles .sparkle:nth-child(3) {
    top: 50%;
    left: 95%;
    animation-delay: 0.6s;
}

.preloader-sparkles .sparkle:nth-child(4) {
    top: 75%;
    left: 85%;
    animation-delay: 0.9s;
}

.preloader-sparkles .sparkle:nth-child(5) {
    top: 90%;
    left: 50%;
    animation-delay: 1.2s;
}

.preloader-sparkles .sparkle:nth-child(6) {
    top: 75%;
    left: 15%;
    animation-delay: 1.5s;
}

.preloader-sparkles .sparkle:nth-child(7) {
    top: 50%;
    left: 5%;
    animation-delay: 1.8s;
}

.preloader-sparkles .sparkle:nth-child(8) {
    top: 25%;
    left: 15%;
    animation-delay: 2.1s;
}

/* Animated Brand Name */
.preloader-brand {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 2px;
}

.preloader-brand .brand-letter {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold-primary);
    text-transform: uppercase;
    opacity: 0;
    display: inline-block;
    animation: brandLetterReveal 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards,
               brandLetterGlow 2s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.1s), calc(0.8s + var(--i) * 0.1s);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.preloader-brand .brand-letter:first-child {
    font-size: 2.2rem;
    color: var(--gold-light);
}

/* Loading Text */
.preloader-text {
    margin-top: 12px;
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0;
    animation: preloaderTextPulse 1.5s ease-in-out infinite, fadeInUp 0.5s ease forwards;
    animation-delay: 0.8s, 0.6s;
}

/* Preloader Keyframes */
@keyframes preloaderRingSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

@keyframes brandLetterReveal {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.3) rotateX(90deg);
        filter: blur(10px);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-5px) scale(1.1) rotateX(-10deg);
        filter: blur(2px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
        filter: blur(0);
    }
}

@keyframes brandLetterGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(212, 175, 55, 0.3),
                     0 0 20px rgba(212, 175, 55, 0.2);
        color: var(--gold-primary);
    }
    50% {
        text-shadow: 0 0 20px rgba(212, 175, 55, 0.8),
                     0 0 40px rgba(212, 175, 55, 0.5),
                     0 0 60px rgba(212, 175, 55, 0.3);
        color: var(--gold-light);
    }
}

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

@keyframes preloaderIconPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.5));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.8));
    }
}

@keyframes sparkleFloat {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0.5);
    }
    25% {
        opacity: 1;
        transform: translate(-5px, -10px) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(0, -20px) scale(1.2);
        box-shadow: 0 0 8px var(--gold-light), 0 0 15px rgba(212, 175, 55, 0.5);
    }
    75% {
        opacity: 0.5;
        transform: translate(5px, -30px) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translate(0, -40px) scale(0.3);
    }
}

@keyframes preloaderTextPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Light Mode Preloader */
[data-theme="light"] .preloader {
    background: radial-gradient(ellipse at center, #f1f5f9 0%, #e2e8f0 100%);
}
[data-theme="light"] .preloader-ring {
    border-top-color: #B8930F;
    border-right-color: rgba(184, 147, 15, 0.5);
}
[data-theme="light"] .preloader-ring::before {
    border-bottom-color: #D4AF37;
    border-left-color: rgba(212, 175, 55, 0.3);
}
[data-theme="light"] .ring-glow {
    background: radial-gradient(circle, rgba(184, 147, 15, 0.12) 0%, transparent 70%);
}
[data-theme="light"] .preloader-icon img {
    filter: drop-shadow(0 0 12px rgba(184, 147, 15, 0.4));
}
[data-theme="light"] .preloader-sparkles .sparkle {
    background: #B8930F;
}
[data-theme="light"] .preloader-brand .brand-letter {
    color: #B8930F;
    text-shadow: 0 0 8px rgba(184, 147, 15, 0.3);
}
[data-theme="light"] .preloader-brand .brand-letter:first-child {
    color: #9A7B0A;
}
[data-theme="light"] .preloader-text {
    color: #64748B;
}

.border-0 { border: none !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-gold { box-shadow: var(--shadow-gold) !important; }
.shadow-none { box-shadow: none !important; }

/* Rounded */
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ============================================================================
   SCROLLBAR
   ============================================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: var(--radius-xl);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

/* ============================================================================
   SELECTION
   ============================================================================ */

::selection {
    background: var(--gold-primary);
    color: #000;
}

::-moz-selection {
    background: var(--gold-primary);
    color: #000;
}

/* ============================================================================
   LOADER / SPINNER
   ============================================================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--gold-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-normal);
}

.page-loader.hide {
    opacity: 0;
    pointer-events: none;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-color) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}