/* ===================================
   Video Upload System - Modern CSS
   =================================== */

/* استيراد الخط العربي */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&display=swap');

/* المتغيرات */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --purple: #8b5cf6;
    
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    direction: rtl;
    line-height: 1.6;
}

/* الخلفية المتحركة */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animated::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    animation: bgMove 20s ease-in-out infinite;
}

@keyframes bgMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 2%) rotate(1deg); }
    50% { transform: translate(-1%, 3%) rotate(-1deg); }
    75% { transform: translate(1%, -2%) rotate(0.5deg); }
}

/* الحاوية الرئيسية */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* الرأس */
.header {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(30, 41, 59, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* البطاقات */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-bottom: 20px;
    transition: var(--transition);
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--primary-light);
}

/* منطقة الرفع */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
    opacity: 1;
}

.upload-zone.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upload-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* شريط التقدم */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* الأزرار */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* حالة الأجزاء */
.parts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .parts-grid {
        grid-template-columns: 1fr;
    }
}

.part-card {
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.part-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.part-card.completed {
    border-color: var(--success);
}

.part-card.reviewing {
    border-color: var(--warning);
}

.part-card.approved {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.part-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.part-card.active .part-number {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-color: var(--primary);
}

.part-card.completed .part-number,
.part-card.approved .part-number {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    border-color: var(--success);
}

.part-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.part-status {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* رسالة النجاح */
.success-message {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.2) 100%);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 16px;
    animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

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

/* رسالة الدفع */
.payment-message {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
    border: 1px solid var(--purple);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.payment-icon {
    font-size: 4rem;
    color: var(--purple);
    margin-bottom: 16px;
}

.vodafone-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #e60000 0%, #c00 100%);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    margin-top: 16px;
}

/* لوحة الأدمن */
.admin-login {
    max-width: 400px;
    margin: 100px auto;
    text-align: center;
}

.admin-login .logo {
    justify-content: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    text-align: right;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

/* جدول الأدمن */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.admin-table th,
.admin-table td {
    padding: 16px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--bg-dark);
    font-weight: 600;
    color: var(--text-secondary);
}

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

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-badge.reviewing {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.status-badge.approved {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.status-badge.pending {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-muted);
}

/* أزرار الإجراءات */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* التنبيهات */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: fadeIn 0.3s ease;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
    color: #6ee7b7;
}

.alert-info {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid var(--info);
    color: #93c5fd;
}

/* مؤشر التحميل */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* الفوتر */
.footer {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 40px;
}

.footer a {
    color: var(--primary-light);
    text-decoration: none;
}

/* تأثيرات الظهور */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

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

/* الاستجابة للشاشات */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .container {
        padding: 15px;
    }
    
    .card {
        padding: 16px;
    }
    
    .upload-zone {
        padding: 40px 20px;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
}

/* إخفاء عناصر معينة */
.hidden {
    display: none !important;
}

/* تأثير التوهج */
.glow {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

/* زر الرجوع */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 0;
    transition: var(--transition);
}

.back-btn:hover {
    color: var(--primary-light);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}