/* ============================================
   login-style.css
   نمط مستقل ومخصص لصفحة تسجيل الدخول فقط
   لا يتأثر بأي نمط عام آخر
   ============================================ */

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

/* ========== المتغيرات الخاصة ========== */
:root {
    --login-primary: #2563eb;
    --login-primary-dark: #1d4ed8;
    --login-secondary: #7c3aed;
    --login-success: #10b981;
    --login-success-light: #d1fae5;
    --login-warning: #f59e0b;
    --login-warning-light: #fef3c7;
    --login-danger: #ef4444;
    --login-danger-light: #fee2e2;
    --login-bg-start: #eff6ff;
    --login-bg-end: #eef2ff;
    --login-text-primary: #111827;
    --login-text-secondary: #4b5563;
    --login-border-light: #e5e7eb;
    --login-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --login-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --login-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --login-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --login-radius-sm: 8px;
    --login-radius-md: 12px;
    --login-radius-lg: 16px;
    --login-radius-xl: 24px;
    --login-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== أنماط الصفحة الأساسية ========== */
body.login-page {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--login-bg-start) 0%, var(--login-bg-end) 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ========== الحاوية الرئيسية ========== */
.login-container {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}

/* ========== بطاقة تسجيل الدخول ========== */
.login-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--login-radius-xl);
    box-shadow: var(--login-shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: fadeInUp 0.6s ease;
}

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

/* ========== رأس البطاقة ========== */
.login-header {
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-secondary) 100%);
    color: white;
    text-align: center;
    padding: 40px 30px;
}

/* ========== دعم جميع أشكال الشعار ========== */

/* النمط الأول: university-logo */
.university-logo {
    margin-bottom: 20px;
}

/* النمط الثاني: logo (للمستخدمين الذين يستخدمون هذا الكلاس) */
.login-header .logo {
    text-align: center;
    margin-bottom: 20px;
}

.login-header .logo .logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--login-radius-md);
    background: white;
    padding: 8px;
    box-shadow: var(--login-shadow-lg);
    transition: transform var(--login-transition);
}

.login-header .logo .logo-img:hover {
    transform: scale(1.05) rotate(5deg);
}

.login-header .logo-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: white;
}

.login-header .logo-text p {
    font-size: 0.95rem;
    opacity: 0.9;
    color: white;
    margin: 0;
}

/* النمط العام للصورة */
.logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--login-radius-md);
    background: white;
    padding: 8px;
    box-shadow: var(--login-shadow-lg);
    transition: transform var(--login-transition);
}

.logo-img:hover {
    transform: scale(1.05) rotate(5deg);
}

/* بديل الشعار (placeholder) */
.logo-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.logo-placeholder i {
    font-size: 3rem;
    color: var(--login-primary);
}

/* النصوص في الرأس */
.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: white;
    letter-spacing: -0.5px;
}

.login-header p {
    font-size: 0.95rem;
    opacity: 0.9;
    color: white;
    margin: 0;
}

/* ========== جسم البطاقة ========== */
.login-body {
    padding: 35px 30px;
}

/* ========== التنبيهات ========== */
.alert {
    padding: 14px 18px;
    border-radius: var(--login-radius-lg);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-right: 4px solid;
    animation: slideInRight 0.4s ease;
}

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

.alert-warning {
    background: var(--login-warning-light);
    color: #92400e;
    border-right-color: var(--login-warning);
}

.alert-danger {
    background: var(--login-danger-light);
    color: #991b1b;
    border-right-color: var(--login-danger);
}

.alert i {
    font-size: 1.25rem;
}

.alert div {
    flex: 1;
}

/* ========== مؤشر المحاولات ========== */
.attempts-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding: 12px 16px;
    background: var(--login-warning-light);
    border-radius: var(--login-radius-lg);
    border-right: 4px solid var(--login-warning);
    font-size: 0.875rem;
}

.attempts-count {
    color: var(--login-warning);
    font-weight: bold;
    background: rgba(245, 158, 11, 0.2);
    padding: 4px 12px;
    border-radius: 9999px;
}

/* ========== المجموعات النموذجية ========== */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--login-text-primary);
    font-size: 0.875rem;
}

.form-label i {
    color: var(--login-primary);
    margin-left: 8px;
}

/* ========== حقول الإدخال ========== */
.input-with-icon {
    position: relative;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    z-index: 2;
    font-size: 1rem;
}

.form-control {
    width: 100%;
    padding: 12px 45px 12px 15px;
    border: 2px solid var(--login-border-light);
    border-radius: var(--login-radius-lg);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--login-transition);
    background: white;
}

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

.password-toggle {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    z-index: 3;
    font-size: 1.1rem;
    transition: color var(--login-transition);
}

.password-toggle:hover {
    color: var(--login-primary);
}

/* ========== حاوية CAPTCHA ========== */
.captcha-container {
    background: #f9fafb;
    border-radius: var(--login-radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--login-border-light);
}

.captcha-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.captcha-title {
    font-weight: 600;
    color: var(--login-text-primary);
    font-size: 0.875rem;
}

.captcha-title i {
    color: var(--login-primary);
    margin-left: 8px;
}

.captcha-hint {
    font-size: 0.75rem;
    color: #6b7280;
}

.captcha-hint i {
    color: #3b82f6;
    margin-left: 5px;
}

/* ========== عرض CAPTCHA ========== */
.captcha-display {
    background: white;
    border: 2px solid var(--login-border-light);
    border-radius: var(--login-radius-lg);
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-text {
    font-family: 'Courier New', monospace;
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 8px;
    user-select: none;
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.captcha-noise {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.captcha-noise-line {
    position: absolute;
    height: 2px;
    background: #d1d5db;
}

.captcha-noise-dot {
    position: absolute;
    width: 3px;
    height: 3px;
    background: #9ca3af;
    border-radius: 50%;
}

/* ========== إدخال CAPTCHA ========== */
.captcha-input-row {
    margin-bottom: 15px;
}

.captcha-input-container {
    width: 100%;
}

.captcha-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--login-border-light);
    border-radius: var(--login-radius-lg);
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    text-align: center;
    direction: ltr;
    transition: all var(--login-transition);
}

.captcha-input:focus {
    border-color: var(--login-primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* ========== حالة CAPTCHA ========== */
.captcha-status {
    margin-top: 10px;
    padding: 8px;
    border-radius: var(--login-radius-lg);
    font-size: 0.8rem;
    text-align: center;
}

.captcha-correct {
    color: var(--login-success);
    background: var(--login-success-light);
}

.captcha-incorrect {
    color: var(--login-danger);
    background: var(--login-danger-light);
}

.captcha-refresh-row {
    text-align: center;
}

/* ========== الأزرار ========== */
.btn {
    width: 100%;
    padding: 14px 24px;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--login-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

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

.btn-outline:hover {
    border-color: var(--login-primary);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.btn-sm {
    width: auto;
    padding: 8px 18px;
    font-size: 0.8rem;
}

/* ========== التذييل ========== */
.footer {
    margin-top: 24px;
    text-align: center;
    padding: 20px;
    background: transparent;
}

.copyright {
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 6px;
}

.developer {
    font-size: 0.7rem;
    color: #9ca3af;
}

/* ========== تراكيب التحميل ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========== منع تحديد النص في CAPTCHA ========== */
.captcha-text,
.captcha-noise {
    user-select: none;
    -webkit-user-select: none;
}

/* ========== استجابة للشاشات الصغيرة ========== */
@media (max-width: 560px) {
    body.login-page {
        padding: 16px;
    }
    
    .login-header {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .login-body {
        padding: 25px 20px;
    }
    
    .logo-img {
        width: 65px;
        height: 65px;
    }
    
    .captcha-text {
        font-size: 1.5rem;
        letter-spacing: 5px;
    }
    
    .captcha-header {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 400px) {
    .login-body {
        padding: 20px 16px;
    }
    
    .captcha-display {
        padding: 15px;
    }
    
    .captcha-text {
        font-size: 1.3rem;
        letter-spacing: 4px;
    }
}