/* === نظام التسجيل والإدارة المتقدم === */

/* حاوية التسجيل المحسنة */
.auth-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    min-height: 100vh;
    background: var(--bg-primary);
}

.auth-hero {
    background: 
        linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(124, 58, 237, 0.9)),
        url('../assets/images/auth-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.auth-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%);
    animation: float 8s ease-in-out infinite;
}

.auth-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 500px;
}

.auth-hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    color: white;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.feature-text p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin: 0;
}

/* نموذج التسجيل المحسن */
.auth-form-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: var(--bg-primary);
}

.auth-form-container {
    width: 100%;
    max-width: 480px;
}

.auth-header {
    text-align: center;
    margin-bottom: 3rem;
}

.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--admin-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* نظام الحقول المتقدم */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-control {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
    font-family: var(--font-arabic);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    background: var(--bg-card);
    transform: translateY(-1px);
}

.form-control:valid {
    border-color: var(--success);
}

.form-control:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--error);
}

/* نظام شريط قوة كلمة المرور المتقدم */
.password-strength {
    margin-top: 1rem;
}

.strength-indicators {
    display: flex;
    gap: 4px;
    margin-bottom: 0.75rem;
}

.strength-bar {
    height: 6px;
    flex: 1;
    background: var(--gray-300);
    border-radius: 3px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.strength-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--admin-gradient);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.strength-bar.active::after {
    left: 0;
}

.strength-bar.weak { background: var(--error); }
.strength-bar.fair { background: var(--warning); }
.strength-bar.good { background: var(--info); }
.strength-bar.strong { background: var(--success); }

.strength-text {
    font-size: 0.85rem;
    font-weight: var(--font-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.strength-text i {
    font-size: 1rem;
}

.strength-text.weak { color: var(--error); }
.strength-text.fair { color: var(--warning); }
.strength-text.good { color: var(--info); }
.strength-text.strong { color: var(--success); }

/* نظام التحقق من الصحة */
.validation-rules {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.rule-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rule-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.rule-item.valid {
    color: var(--success);
}

.rule-item.valid i {
    color: var(--success);
}

.rule-item i {
    width: 16px;
    color: var(--gray-400);
    transition: var(--transition);
}

/* تحسينات الشيك بوكس والراديو */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.checkbox-label:hover,
.radio-label:hover {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.checkbox-text,
.radio-text {
    flex: 1;
}

.checkbox-text h4,
.radio-text h4 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.checkbox-text p,
.radio-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label a,
.radio-label a {
    color: var(--primary);
    text-decoration: none;
    font-weight: var(--font-semibold);
    transition: var(--transition);
}

.checkbox-label a:hover,
.radio-label a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* أزرار التسجيل المحسنة */
.auth-actions {
    margin-top: 2.5rem;
}

.btn-register {
    width: 100%;
    padding: 1.25rem 2rem;
    background: var(--admin-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.btn-register::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

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

.btn-register:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn-register:active {
    transform: translateY(-1px);
}

/* روابط المصادقة */
.auth-links {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.auth-links p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.social-auth {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn-social {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: var(--font-medium);
}

.btn-social:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-google:hover {
    border-color: #DB4437;
    color: #DB4437;
}

.btn-facebook:hover {
    border-color: #4267B2;
    color: #4267B2;
}

.auth-switch {
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--primary);
    text-decoration: none;
    font-weight: var(--font-semibold);
    margin-right: 0.5rem;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* نظام الإشعارات في النماذج */
.form-feedback {
    padding: 1rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    animation: slideInUp 0.3s ease;
}

.form-feedback.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.form-feedback.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* تحسينات الاستجابة */
@media (max-width: 1024px) {
    .auth-container {
        grid-template-columns: 1fr;
    }
    
    .auth-hero {
        display: none;
    }
}

@media (max-width: 768px) {
    .auth-form-section {
        padding: 2rem 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .social-auth {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .auth-form-section {
        padding: 1.5rem 1rem;
    }
    
    .auth-header h1 {
        font-size: 2rem;
    }
    
    .form-control {
        padding: 1rem 1.25rem;
    }
    
    .checkbox-label,
    .radio-label {
        padding: 0.875rem;
    }
}

/* أنيميشنات خاصة */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* تحسينات الوصول */
@media (prefers-reduced-motion: reduce) {
    .auth-hero::before,
    .btn-register::before,
    .strength-bar::after {
        animation: none;
    }
    
    .btn-register:hover {
        transform: none;
    }
}

/* تحسينات للوضع المظلم */
.dark-mode .auth-form-section {
    background: var(--bg-primary);
}

.dark-mode .form-control {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .checkbox-label,
.dark-mode .radio-label {
    background: var(--bg-secondary);
}

.dark-mode .checkbox-label:hover,
.dark-mode .radio-label:hover {
    background: var(--bg-primary);
}

.dark-mode .btn-social {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

/* === تحسينات AOS للحركات والأنيميشن === */
.auth-hero-content,
.auth-header,
.form-group,
.auth-actions {
    visibility: visible;
}

/* === تحسينات SEO والوصولية === */
/* تحسين focus للوصولية */
.form-control:focus,
.btn-register:focus,
.btn-social:focus,
.checkbox-label:focus-within,
.radio-label:focus-within {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* تحسينات للقراءة الشاشة */
.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;
}

/* تحسينات contrast للوصولية */
.auth-header h1,
.feature-text h4,
.checkbox-text h4,
.radio-text h4 {
    color: var(--text-primary);
    font-weight: var(--font-bold);
}

.form-group label {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
}

/* === تحسينات الاستجابة للجوال === */
@media (max-width: 320px) {
    .auth-form-section {
        padding: 1rem 0.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .form-control {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-register {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}

/* تحسينات اللمس للجوال */
@media (hover: none) and (pointer: coarse) {
    .btn-register:hover,
    .btn-social:hover,
    .feature-item:hover,
    .checkbox-label:hover,
    .radio-label:hover {
        transform: none;
    }
    
    .btn-register:active,
    .btn-social:active {
        transform: scale(0.98);
    }
}

/* تحسينات الأداء */
.auth-hero {
    will-change: transform;
}

.feature-item,
.btn-register,
.btn-social {
    will-change: transform;
}

/* تحسينات الطباعة */
@media print {
    .auth-hero,
    .social-auth,
    .auth-links {
        display: none;
    }
    
    .auth-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .auth-form-section {
        padding: 1rem;
    }
}

/* === تحسينات Favicon والهيكل === */
/* ضمان تحميل الخطوط بسلاسة */
.auth-header,
.form-control,
.btn-register {
    font-family: var(--font-arabic), 'Cairo', sans-serif;
}

/* تحسينات لشبكة التوزيع */
.auth-container {
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(400px, 1.2fr);
}

/* === تحسينات AOS محددة === */
[data-aos] {
    pointer-events: auto;
}

.auth-hero-content[data-aos],
.auth-header[data-aos],
.form-group[data-aos] {
    opacity: 1;
    transform: translateY(0);
}

/* تحسينات للشاشات عالية الدقة */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .auth-hero {
        background: 
            linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(124, 58, 237, 0.9)),
            url('../assets/images/auth-bg@2x.jpg') center/cover no-repeat;
    }
}

/* تحسينات للوضع الأفقي على الجوال */
@media (max-height: 600px) and (orientation: landscape) {
    .auth-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .auth-hero {
        display: none;
    }
    
    .auth-form-section {
        padding: 1rem 2rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
}

/* تحسينات للشاشات الكبيرة جداً */
@media (min-width: 1920px) {
    .auth-form-container {
        max-width: 600px;
    }
    
    .auth-hero-content {
        max-width: 700px;
    }
}

/* تحسينات التحميل */
.auth-container {
    opacity: 0;
    animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* تحسينات الأمان والخصوصية */
.form-control:-webkit-autofill {
    -webkit-text-fill-color: var(--text-primary) !important;
    -webkit-box-shadow: 0 0 0px 1000px var(--bg-primary) inset !important;
    border-color: var(--primary) !important;
}

/* تحسينات إضافية للوصولية */
@media (prefers-contrast: high) {
    .auth-hero {
        background: 
            linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(124, 58, 237, 0.95));
    }
    
    .form-control {
        border-width: 3px;
    }
    
    .btn-register,
    .btn-social {
        border-width: 2px;
    }
}

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