/**
 * Modern WHMCS Theme Enhancement
 * Enhanced styling for bredh_sefar_cart template with modern UI/UX
 * Maintains original color scheme while adding contemporary features
 */

/* ===== ROOT VARIABLES ===== */
:root {
    /* Enhanced Color Palette - Prominenter Green Theme */
    --primary-green: #28a745;
    --primary-green-light: #34ce57;
    --primary-green-dark: #20c997;
    --primary-blue: #007bff;
    --primary-blue-dark: #0056b3;
    --blackish-blue: #2c3e50;
    --blackish-blue-opacity: rgba(44, 62, 80, 0.7);
    --text-green: #28a745;
    
    /* Enhanced Green Gradients */
    --gradient-primary-green: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    --gradient-secondary-green: linear-gradient(135deg, var(--primary-green-light), var(--primary-green));
    --gradient-hero-green: linear-gradient(135deg, #28a745 0%, #20c997 50%, #17a2b8 100%);
    
    /* Modern Design System Colors */
    --white-bg: #ffffff;
    --light-bg: #f8f9fa;
    --shadow-color: rgba(40, 167, 69, 0.1);
    --shadow-hover: rgba(40, 167, 69, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    --gradient-success: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    
    /* Enhanced Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Modern Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Enhanced Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-pill: 50px;
    
    /* Modern Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Animation Variables */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --cubic-bezier: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL ENHANCEMENTS ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--blackish-blue);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: background var(--transition-normal);
}

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

/* ===== ENHANCED CONTAINER STYLES ===== */
.modern-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== ENHANCED CARDS ===== */
.modern-card {
    background: var(--white-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) var(--cubic-bezier);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

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

/* ===== ENHANCED BUTTONS ===== */
.btn-modern {
    position: relative;
    overflow: hidden;
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal) var(--cubic-bezier);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-modern-primary {
    background: var(--gradient-primary-green);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-modern-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
    color: white;
    text-decoration: none;
}

.btn-modern-success {
    background: var(--gradient-secondary-green);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-modern-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
    color: white;
    text-decoration: none;
}

/* Button ripple effect */
.btn-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.btn-modern:active::before {
    width: 300px;
    height: 300px;
}

/* ===== ENHANCED FORMS ===== */
.form-modern {
    background: var(--white-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

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

.form-control-modern {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--white-bg);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-label-modern {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    background: var(--white-bg);
    padding: 0 var(--spacing-sm);
    color: #6c757d;
    transition: all var(--transition-normal);
    pointer-events: none;
}

.form-control-modern:focus + .form-label-modern,
.form-control-modern:not(:placeholder-shown) + .form-label-modern {
    top: -10px;
    font-size: 0.85rem;
    color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
}

/* ===== ENHANCED ALERTS ===== */
.alert-modern {
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-modern-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid var(--primary-green);
}

.alert-modern-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-modern-info {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.alert-modern-warning {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
    border-left: 4px solid #ffc107;
}

/* ===== ENHANCED TABLES ===== */
.table-modern {
    background: var(--white-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table-modern thead th {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table-modern tbody td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background var(--transition-fast);
}

.table-modern tbody tr:hover td {
    background: rgba(0, 123, 255, 0.02);
}

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

/* ===== ENHANCED MODALS ===== */
.modal-modern .modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

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

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

.modal-modern .modal-footer {
    border-top: none;
    padding: 0 var(--spacing-xl) var(--spacing-xl);
}

/* ===== ENHANCED BADGES ===== */
.badge-modern {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-pill);
    font-weight: var(--font-weight-medium);
    font-size: 0.75rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

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

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

/* ===== ENHANCED PROGRESS BARS ===== */
.progress-modern {
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-pill);
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-modern-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-pill);
    transition: width 1s ease;
    position: relative;
    overflow: hidden;
}

.progress-modern-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ===== ENHANCED TOOLTIPS ===== */
.tooltip-modern {
    position: relative;
    cursor: help;
}

.tooltip-modern::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.tooltip-modern::after {
    content: '';
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.tooltip-modern:hover::before,
.tooltip-modern:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ===== ENHANCED LOADING STATES ===== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 123, 255, 0.3);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

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

.loading-dots {
    display: inline-flex;
    gap: var(--spacing-xs);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-blue);
    animation: loading-pulse 1.4s infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loading-pulse {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

/* ===== UTILITY CLASSES ===== */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

.text-gradient-success {
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

.glassmorphism {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 1200px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-xxl: 1.5rem;
    }
    
    .btn-modern {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    .form-modern {
        padding: var(--spacing-lg);
    }
    
    .table-modern thead th,
    .table-modern tbody td {
        padding: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .modern-container {
        padding: 0 var(--spacing-md);
    }
    
    .btn-modern {
        width: 100%;
        justify-content: center;
    }
    
    .alert-modern {
        padding: var(--spacing-md);
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    .dark-mode-auto {
        --white-bg: #1a1a1a;
        --light-bg: #2d2d2d;
        --blackish-blue: #e9ecef;
        --blackish-blue-opacity: rgba(233, 236, 239, 0.7);
        --shadow-color: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.4);
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus management for keyboard navigation */
.focus-outline:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .modern-card {
        border: 2px solid currentColor;
    }
    
    .btn-modern {
        border: 2px solid currentColor;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .modern-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn-modern {
        background: transparent !important;
        color: #000 !important;
        border: 1px solid #000;
    }
    
    .alert-modern {
        background: transparent !important;
        border: 1px solid #000;
        color: #000 !important;
    }
}