/* تصميم مودرن للتطبيق */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: var(--shadow-large);
    margin: 20px auto;
    padding: 30px;
}

/* تصميم البطاقات المودرن */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.card-img-top {
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card-body {
    padding: 25px;
}

.card-title {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.card-text {
    color: #6b7280;
    line-height: 1.6;
}

/* أزرار مودرن */
.btn {
    border-radius: 50px;
    font-weight: 600;
    padding: 12px 30px;
    border: none;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.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;
}

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

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-light);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: var(--shadow-light);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: var(--shadow-light);
}

.btn-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    box-shadow: var(--shadow-light);
}

.btn-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    box-shadow: var(--shadow-light);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: var(--shadow-light);
}

/* نماذج مودرن */
.form-control {
    border-radius: 15px;
    border: 2px solid #e5e7eb;
    padding: 15px 20px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: white;
}

/* تنبيهات مودرن */
.alert {
    border-radius: 15px;
    border: none;
    padding: 20px;
    margin: 20px 0;
    box-shadow: var(--shadow-light);
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* جداول مودرن */
.table {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    background: white;
}

.table thead th {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 20px;
    font-weight: 600;
}

.table tbody td {
    padding: 15px 20px;
    border-color: #f3f4f6;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

/* عناوين مودرن */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
}

h2 {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* فيديو مودرن */
video {
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

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

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

/* تحسينات الاستجابة */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 20px;
        border-radius: 15px;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
}

/* تأثيرات خاصة */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glow-effect {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* لودر مودرن */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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