/* ========== المتغيرات العامة ========== */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* ========== إعادة تعيين ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

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

}

/* ========== شريط التنقل ========== */
.navbar {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

.nav-brand i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link i, .nav-user i, .nav-brand i {
    display: inline-block;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.logout-btn {
    background: var(--error-color);
    color: white;
}

.logout-btn:hover {
    background: #dc2626;
}

/* ========== رسائل التنبيه ========== */
.flash-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 400px;
}

.flash {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success {
    background: var(--success-color);
    color: white;
}

.flash-error {
    background: var(--error-color);
    color: white;
}

.flash-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    margin-right: auto;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.flash-close:hover {
    opacity: 1;
}

/* ========== المحتوى الرئيسي ========== */
.main-content {
    min-height: calc(100vh - 180px);
    padding: 40px 0;
}

/* ========== التذييل ========== */
.footer {
    background: rgba(30, 41, 59, 0.8);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    color: var(--text-secondary);
}

.footer p {
    margin: 5px 0;
}

.footer a {
    color: var(--primary-light);
    font-weight: 700;
}

.footer a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}


/* ========== صفحات المصادقة ========== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 180px);
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 10px;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ========== النماذج ========== */
.form-group {
    margin-bottom: 25px;
}

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

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* ========== الأزرار ========== */
.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    width: 100%;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

/* .btn-secondary:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
} */

.btn-word{
    border-color: var(--primary-color);
    background: var(--primary-color);
    font-weight: bold;
}
.btn-word:hover, .btn-secondary:hover{
    color: var(--success-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}
.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========== الروابط ========== */
.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ========== تأثيرات التحميل ========== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* ========== لوحة التحكم ========== */
.welcome-section {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.welcome-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* ========== قسم الرفع ========== */
.upload-section {
    margin-bottom: 50px;
}

.upload-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.upload-header {
    text-align: center;
    margin-bottom: 30px;
}

.upload-header i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.upload-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.upload-header p {
    color: var(--text-secondary);
}

/* ========== قائمة الملفات المختارة ========== */
.files-list {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.file-item:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.file-item i {
    color: var(--primary-light);
    font-size: 1.2rem;
}

.file-name {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.remove-file {
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.remove-file:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* ========== رفع الملفات ========== */
.file-upload-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-upload-display {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    background: var(--dark-bg);
    transition: all 0.3s ease;
}

.file-upload-display:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.file-upload-display i {
    font-size: 3rem;
    color: var(--primary-light);
    display: block;
    margin-bottom: 15px;
}

.file-upload-display span {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.file-upload-display small {
    color: var(--text-secondary);
}

/* ========== شبكة الإعدادات ========== */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

/* ========== أزرار كبيرة ========== */
.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* ========== حالة التحميل ========== */
.loading-state {
    text-align: center;
    padding: 40px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    margin-top: 20px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

.loading-state p {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.loading-state small {
    color: var(--text-secondary);
}

/* ========== قسم الاختبارات ========== */
.exams-section {
    margin-top: 50px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.exam-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.exam-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.exam-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.exam-header i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.exam-header h3 {
    font-size: 1.2rem;
    margin: 0;
}

.exam-info {
    margin-bottom: 20px;
}

.exam-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.exam-info-item i {
    color: var(--primary-light);
    width: 20px;
}

.exam-actions {
    display: flex;
    gap: 10px;
}

.exam-actions .btn {
    flex: 1;
}

/* ========== معلومات الملفات المصدرية ========== */
.source-files-info {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.source-files-info h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--primary-light);
}

.source-files-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}

.source-file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.source-file-item:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.source-file-item i {
    color: var(--primary-light);
    font-size: 1.1rem;
}

/* ========== صفحة النتائج ========== */
.exam-result-header {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    flex-wrap: wrap;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    text-decoration: none;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.exam-result-title {
    font-size: 2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.exam-result-title i {
    color: var(--success-color);
}

.exam-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--dark-bg);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.meta-badge i {
    color: var(--primary-light);
}

.exam-result-actions {
    display: flex;
    gap: 10px;
}

/* ========== حاوية الأسئلة ========== */
.questions-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.question-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.question-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.question-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.question-type-badge.mcq {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.question-type-badge.tf {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.question-type-badge.fill {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.question-type-badge.direct {
    background: rgba(236, 72, 153, 0.2);
    color: var(--secondary-color);
}

.question-content {
    padding: 10px 0;
}

.question-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* ========== خيارات الأسئلة ========== */
.question-options {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--dark-bg);
    border-radius: 10px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.option-item.correct {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
}

.option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.option-item.correct .option-letter {
    background: var(--success-color);
}

.option-text {
    flex: 1;
}

.option-correct-icon {
    color: var(--success-color);
    font-size: 1.2rem;
}

/* ========== الإجابة ========== */
.question-answer {
    margin-top: 20px;
    padding: 15px;
    background: rgba(99, 102, 241, 0.1);
    border-right: 4px solid var(--primary-color);
    border-radius: 8px;
}

.question-answer strong {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--primary-light);
}

.answer-text {
    display: block;
    font-size: 1.05rem;
    color: var(--text-primary);
}

/* ========== تعليمات الطباعة ========== */
.print-instructions {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 30px;
    color: var(--text-secondary);
    font-weight: bold;
}

.print-instructions i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

/* ========== أنماط الطباعة ========== */


/* ========== شاشة التحميل الاحترافية ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.loading-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 50px 40px;
    width: 90%;
    max-width: 550px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.loading-icon {
    margin-bottom: 25px;
}

.loading-spinner-large {
    width: 70px;
    height: 70px;
    border: 5px solid rgba(99, 102, 241, 0.15);
    border-top-color: var(--primary-color);
    border-right-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

.loading-title {
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.loading-message {
    font-size: 1.1rem;
    color: var(--primary-light);
    margin-bottom: 35px;
    min-height: 1.5em;
    transition: opacity 0.3s ease;
}

/* خطوات التقدم */
.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    position: relative;
    padding: 0 10px;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 30px;
    right: 30px;
    height: 3px;
    background: var(--border-color);
    z-index: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 1;
    opacity: 0.35;
    transition: all 0.5s ease;
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 0.8;
}

.step-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: all 0.5s ease;
}

.progress-step.active .step-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: var(--primary-light);
    color: white;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    animation: pulse-glow 1.5s ease-in-out infinite;
}

.progress-step.completed .step-icon {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 30px rgba(99, 102, 241, 0.6); }
}

.progress-step span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 80px;
    text-align: center;
    line-height: 1.3;
}

.progress-step.active span {
    color: var(--primary-light);
    font-weight: 600;
}

.progress-step.completed span {
    color: var(--success-color);
}

/* شريط التقدم */
.progress-bar-container {
    width: 100%;
    height: 6px;
    background: var(--dark-bg);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: width 0.8s ease;
}

.loading-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== خيارات إضافية (Toggle + Versions) ========== */
.extra-options-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

/* زر التبديل (Toggle Switch) */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    color: var(--text-primary);
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 28px;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-label input:checked + .toggle-switch {
    background: var(--primary-color);
    border-color: var(--primary-light);
}

.toggle-label input:checked + .toggle-switch::after {
    right: 25px;
    background: white;
}

/* رفع الشعار */
.logo-upload-area {
    display: flex;
    align-items: center;
    gap: 12px;
    
}

.logo-upload-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--dark-bg);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.logo-upload-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-light);
}

.logo-preview {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: contain;
    border: 1px solid var(--border-color);
    display: none;
}

/* ========== استجابة الشاشات ========== */
@media (max-width: 768px) {
    .navbar .container {
        padding: 10px;
    }

    .nav-brand {
        align-items: center;
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--primary-light);
        gap: 5px;
    }

    .nav-brand i {
        font-size: 1.2rem;
    }

    .nav-menu {
        flex-wrap: nowrap;
        gap: 5px;
    }

    .nav-link, .nav-user {
        padding: 8px;
        gap: 0; /* Remove gap so hidden text doesn't take space */
    }

    .nav-user {
        border: none;
        background: transparent;
    }

    .nav-link span, .nav-user span {
        max-width: 0;
        opacity: 0;
        overflow: hidden;
        white-space: nowrap;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        font-size: 0.8rem;
    }

    .nav-link:hover span, .nav-user:hover span {
        max-width: 150px;
        opacity: 1;
        margin-right: 8px;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.15s; /* Smooth delay on hover */
    }

    [dir="ltr"] .nav-link:hover span, [dir="ltr"] .nav-user:hover span {
        margin-right: 0;
        margin-left: 8px;
    }

    .nav-link i, .nav-user i {
        font-size: 1.2rem;
        margin: 0 !important;
    }

    .flash-container {
        min-width: 90%;
    }

    .auth-card {
        padding: 30px 20px;
    }

    .welcome-title {
        font-size: 1.8rem;
        flex-direction: column;
    }

    .upload-card {
        padding: 25px;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }

    .exams-grid {
        grid-template-columns: 1fr;
    }
}

/* LTR Specific Styles for English Interface */
[dir="ltr"] body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
[dir="ltr"] .nav-brand i {
    margin-right: 10px;
    margin-left: 0;
}
[dir="ltr"] .form-group label i {
    margin-right: 8px;
    margin-left: 0;
}
[dir="ltr"] .btn i {
    margin-right: 8px;
    margin-left: 0;
}
[dir="ltr"] .exam-info-item i {
    margin-right: 8px;
    margin-left: 0;
}
[dir="ltr"] .meta-badge i {
    margin-right: 6px;
    margin-left: 0;
}
[dir="ltr"] .exam-result-title i {
    margin-right: 15px;
    margin-left: 0;
}
[dir="ltr"] .back-link i {
    margin-right: 8px;
    margin-left: 0;
}
[dir="ltr"] .flash i {
    margin-right: 15px;
    margin-left: 0;
}
[dir="ltr"] .step-icon i {
    margin-right: 0;
    margin-left: 0;
}

/* Language Dropdown Styles */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--card-bg);
    min-width: 120px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.1);
    border-radius: 8px;
    z-index: 1000;
    overflow: hidden;
    right: 0;
    border: 1px solid var(--border-color);
}

[dir="ltr"] .lang-dropdown-content {
    right: auto;
    left: 0;
}

.lang-dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    transition: background-color 0.3s;
}

.lang-dropdown-content a:hover {
    background-color: var(--bg-color);
}

.lang-dropdown-content a.active {
    font-weight: bold;
    color: var(--primary-color);
    background-color: var(--bg-color);
}

.lang-dropdown:hover .lang-dropdown-content {
    display: block;
}