/* 
 * ES-Gift Design System
 * مجموعة متناسقة من الألوان والأنماط لضمان التصميم الموحد
 */

/* Cairo Font Application */
:root {
    /* Primary Colors */
    --primary-red: #ff0033;
    --primary-red-dark: #cc0029;
    --primary-red-darker: #990020;
    --primary-red-light: rgba(255, 0, 51, 0.1);
    --primary-red-lighter: rgba(255, 0, 51, 0.05);
    
    /* Background Colors */
    --bg-primary: #111;
    --bg-secondary: #222;
    --bg-tertiary: #333;
    --bg-quaternary: #444;
    --bg-overlay: rgba(255, 255, 255, 0.05);
    --bg-overlay-hover: rgba(255, 255, 255, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-tertiary: #999999;
    --text-muted: #666666;
    
    /* Status Colors */
    --success-color: #27ae60;
    --success-bg: linear-gradient(135deg, #27ae60, #2ecc71);
    --warning-color: #f39c12;
    --warning-bg: linear-gradient(135deg, #f39c12, #e67e22);
    --danger-color: #e74c3c;
    --danger-bg: linear-gradient(135deg, #e74c3c, #c0392b);
    
    /* Shadow and Effects */
    --shadow-small: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(255, 0, 51, 0.3);
    --shadow-glow-light: 0 0 10px rgba(255, 0, 51, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border Radius */
    --radius-small: 8px;
    --radius-medium: 15px;
    --radius-large: 20px;
    --radius-full: 50px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* Universal Cairo Font Application */
* {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Base Card Component */
.es-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 2px solid var(--bg-quaternary);
    border-radius: var(--radius-large);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-medium), var(--shadow-glow-light);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.es-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-dark), var(--primary-red));
    background-size: 200% 100%;
    animation: gradientMove 3s ease-in-out infinite;
}

.es-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-large), var(--shadow-glow);
    border-color: var(--primary-red);
}

/* Base Button Component */
.es-btn {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-slow);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.es-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.es-btn:hover {
    background: linear-gradient(135deg, var(--primary-red-dark), var(--primary-red-darker));
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-medium), var(--shadow-glow);
    border-color: var(--primary-red);
    color: var(--text-primary);
    text-decoration: none;
}

/* Button Variants */
.es-btn-secondary {
    background: linear-gradient(135deg, var(--bg-tertiary), #555);
    border-color: #555;
}

.es-btn-secondary:hover {
    background: linear-gradient(135deg, #555, #777);
    border-color: #777;
    box-shadow: var(--shadow-medium), 0 0 20px rgba(85, 85, 85, 0.4);
}

.es-btn-success {
    background: var(--success-bg);
    border-color: var(--success-color);
}

.es-btn-success:hover {
    background: linear-gradient(135deg, #229954, var(--success-color));
    box-shadow: var(--shadow-medium), 0 0 20px rgba(39, 174, 96, 0.4);
}

.es-btn-warning {
    background: var(--warning-bg);
    border-color: var(--warning-color);
}

.es-btn-warning:hover {
    background: linear-gradient(135deg, #d68910, var(--warning-color));
    box-shadow: var(--shadow-medium), 0 0 20px rgba(243, 156, 18, 0.4);
}

.es-btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger-color);
}

.es-btn-danger:hover {
    background: linear-gradient(135deg, #c0392b, var(--danger-color));
    box-shadow: var(--shadow-medium), 0 0 20px rgba(231, 76, 60, 0.4);
}

.es-btn:disabled {
    background: linear-gradient(135deg, #666, #888);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

/* Status Badge Component */
.es-status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.es-status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.es-status-badge:hover::before {
    left: 100%;
}

.es-status-badge.success {
    background: var(--success-bg);
    color: var(--text-primary);
    border-color: var(--success-color);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.es-status-badge.warning {
    background: var(--warning-bg);
    color: var(--text-primary);
    border-color: var(--warning-color);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.es-status-badge.danger {
    background: var(--danger-bg);
    color: var(--text-primary);
    border-color: var(--danger-color);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

/* Grid System */
.es-grid {
    display: grid;
    gap: var(--spacing-md);
}

.es-grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.es-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.es-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.es-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive Grid */
@media (max-width: 768px) {
    .es-grid-2,
    .es-grid-3,
    .es-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Typography */
.es-heading {
    color: var(--text-primary);
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(255, 0, 51, 0.3);
    background: linear-gradient(135deg, #fff 0%, var(--primary-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.es-text-primary { color: var(--text-primary); }
.es-text-secondary { color: var(--text-secondary); }
.es-text-tertiary { color: var(--text-tertiary); }
.es-text-muted { color: var(--text-muted); }

/* Animations */
@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

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

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

/* Utility Classes */
.es-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.es-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.es-pulse {
    animation: pulse 2s infinite;
}

/* Background Patterns */
.es-bg-pattern {
    background: 
        radial-gradient(circle at 20% 20%, var(--primary-red-light) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, var(--primary-red-lighter) 0%, transparent 40%),
        radial-gradient(circle at 40% 60%, var(--primary-red-lighter) 0%, transparent 40%);
    animation: backgroundMove 20s ease-in-out infinite alternate;
}

@keyframes backgroundMove {
    0% { transform: translateX(0) translateY(0) scale(1); }
    100% { transform: translateX(10px) translateY(-10px) scale(1.02); }
}

/* Input Styling */
.es-input {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--bg-quaternary);
    border-radius: var(--radius-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-medium);
}

.es-input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 20px rgba(255, 0, 51, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.es-input::placeholder {
    color: var(--text-tertiary);
}

/* Loading States */
.es-loading {
    position: relative;
    overflow: hidden;
}

.es-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

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

/* Accessibility Improvements */
.es-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;
}

/* Print Styles */
@media print {
    .es-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .es-btn {
        background: #333 !important;
        color: #fff !important;
    }
}