/* ============================================
   EventHotelBroker - Modern Corporate Blue & Gold Theme
   ============================================ */

:root {
    /* Custom Brand Color Palette - Professional Blue & Gold */
    --nav-blue: #1a365d;
    --body-blue: #2563eb;
    --soft-blue: #3b82f6;
    --vibrant-gold: #f59e0b;
    --white: #ffffff;
    --off-white: #f9fafb;
    
    /* Primary Colors - Blue Tones */
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1a365d;
    --secondary: #f59e0b;
    --secondary-light: #fbbf24;
    --secondary-dark: #d97706;
    --accent: #f59e0b;
    
    /* Gradients - Professional & Elegant */
    --primary-gradient: linear-gradient(135deg, #1a365d 0%, #2563eb 100%);
    --secondary-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --success-gradient: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --info-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --nav-gradient: linear-gradient(135deg, #1a365d 0%, #2563eb 100%);
    
    /* Neutral Colors - White Dominant (70%) */
    --gray-50: #ffffff;
    --gray-100: #fafafa;
    --gray-200: #f4f5f4;
    --gray-300: #e8e9e8;
    --gray-400: #d4d5d4;
    --gray-500: #a8a9a8;
    --gray-600: #7c7d7c;
    --gray-700: #5a5b5a;
    --gray-800: #3e3f3e;
    --gray-900: #2a2b2a;
    --dark: #1a1b1a;
    --darker: #0f100f;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #FFB088;
    --danger: #ef4444;
    --info: #34D399;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Global Styles
   ============================================ */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
}

/* ============================================
   Modern Card Component
   ============================================ */

.modern-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: none;
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.modern-card-header {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-xl);
    border: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modern-card-body {
    padding: var(--space-xl);
}

/* ============================================
   Modern Buttons
   ============================================ */

.btn-modern {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: none;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-modern:active {
    transform: translateY(0);
}

.btn-gradient-primary {
    background: var(--primary-gradient);
    color: var(--white);
}

.btn-gradient-secondary {
    background: var(--secondary-gradient);
    color: var(--white);
}

.btn-gradient-success {
    background: var(--success-gradient);
    color: var(--white);
}

.btn-gradient-danger {
    background: var(--danger-gradient);
    color: var(--white);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* ============================================
   Modern Badges
   ============================================ */

.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-gradient-success {
    background: var(--success-gradient);
    color: var(--white);
}

.badge-gradient-warning {
    background: var(--warning-gradient);
    color: var(--white);
}

.badge-gradient-danger {
    background: var(--danger-gradient);
    color: var(--white);
}

.badge-gradient-info {
    background: var(--info-gradient);
    color: var(--white);
}

/* ============================================
   Modern Headers
   ============================================ */

.page-header {
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.9;
    margin: 0;
}

/* ============================================
   Stats Cards
   ============================================ */

.stats-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: none;
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--space-sm);
}

.stats-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

/* ============================================
   Modern Tables
   ============================================ */

.table-modern {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-modern table {
    margin: 0;
    width: 100%;
}

.table-modern thead {
    background: var(--primary-gradient);
}

.table-modern thead th {
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    padding: 1rem;
    border: none;
}

.table-modern tbody tr {
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--gray-100);
}

.table-modern tbody tr:hover {
    background: var(--gray-50);
    transform: scale(1.01);
}

.table-modern tbody td {
    padding: 1rem;
    vertical-align: middle;
    border: none;
}

/* ============================================
   Modern Forms
   ============================================ */

.form-modern .form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.form-modern .form-control,
.form-modern .form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: all var(--transition-base);
}

.form-modern .form-control:focus,
.form-modern .form-select:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-modern .form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
}

.form-modern .form-check-input:checked {
    background: var(--primary-gradient);
    border-color: var(--purple);
}

/* ============================================
   Modern Tabs
   ============================================ */

.tabs-modern {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
    border: none;
}

.tabs-modern .nav-link {
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: all var(--transition-base);
    margin: 0 var(--space-xs);
}

.tabs-modern .nav-link:hover {
    background: var(--gray-100);
    color: var(--purple);
}

.tabs-modern .nav-link.active {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Action Buttons
   ============================================ */

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    margin: 0 var(--space-xs);
    cursor: pointer;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
}

.action-btn-success {
    background: var(--success-gradient);
    color: var(--white);
}

.action-btn-danger {
    background: var(--danger-gradient);
    color: var(--white);
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast-modern {
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-2xl);
    min-width: 300px;
}

.toast-modern .toast-header {
    border: none;
    padding: 1rem 1.5rem;
}

.toast-modern .toast-body {
    padding: 1rem 1.5rem;
}

/* ============================================
   Loading States
   ============================================ */

.spinner-modern {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--space-md);
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    color: var(--gray-500);
    font-size: 1rem;
}

/* ============================================
   Glassmorphism Effects
   ============================================ */

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

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

.animate-fade-in {
    animation: fadeIn var(--transition-base);
}

.animate-slide-in {
    animation: slideIn var(--transition-base);
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   Responsive Utilities
   ============================================ */

@media (max-width: 768px) {
    .page-header {
        padding: var(--space-lg);
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .modern-card-body {
        padding: var(--space-md);
    }
}

/* ============================================
   Scrollbar Styling
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* ============================================
   Selection Styling
   ============================================ */

::selection {
    background: var(--primary);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary);
    color: var(--white);
}