@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800&display=swap');

:root {
    /* نظام الألوان الفاتح (الافتراضي) */
    --primary-hue: 224;
    --primary: hsl(var(--primary-hue), 85%, 48%);
    --primary-light: hsl(var(--primary-hue), 85%, 95%);
    --primary-glow: hsla(var(--primary-hue), 85%, 48%, 0.15);
    
    --secondary-hue: 262;
    --secondary: hsl(var(--secondary-hue), 80%, 55%);
    --secondary-glow: hsla(var(--secondary-hue), 80%, 55%, 0.15);

    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(255, 255, 255, 0.5);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-focus-border: var(--primary);
    
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
    /* نظام الألوان الداكن */
    --primary: hsl(var(--primary-hue), 90%, 60%);
    --primary-light: hsl(var(--primary-hue), 20%, 15%);
    --primary-glow: hsla(var(--primary-hue), 90%, 60%, 0.25);
    
    --secondary: hsl(var(--secondary-hue), 85%, 65%);
    --secondary-glow: hsla(var(--secondary-hue), 85%, 65%, 0.25);

    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: rgba(15, 23, 42, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(15, 23, 42, 0.8);
    --input-focus-border: var(--primary);
}

/* التنسيق العام */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    direction: rtl;
    text-align: right;
    line-height: 1.6;
    transition: var(--transition);
    padding: 20px;
    overflow-x: hidden;
}

/* خلفية حركية جمالية */
.bg-bubbles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.bg-bubbles li {
    position: absolute;
    list-style: none;
    display: block;
    width: 40px;
    height: 40px;
    background-color: var(--primary-glow);
    bottom: -160px;
    border-radius: 50%;
    animation: bubble 25s infinite linear;
    transition: var(--transition);
}
.bg-bubbles li:nth-child(1) { left: 10%; width: 80px; height: 80px; animation-delay: 0s; }
.bg-bubbles li:nth-child(2) { left: 20%; width: 120px; height: 120px; animation-delay: 2s; animation-duration: 17s; }
.bg-bubbles li:nth-child(3) { left: 25%; animation-delay: 4s; }
.bg-bubbles li:nth-child(4) { left: 40%; width: 60px; height: 60px; animation-duration: 22s; }
.bg-bubbles li:nth-child(5) { left: 70%; animation-delay: 0s; }
.bg-bubbles li:nth-child(6) { left: 80%; width: 120px; height: 120px; animation-delay: 3s; background-color: var(--secondary-glow); }
.bg-bubbles li:nth-child(7) { left: 32%; width: 160px; height: 160px; animation-delay: 7s; }
.bg-bubbles li:nth-child(8) { left: 55%; width: 40px; height: 40px; animation-delay: 15s; animation-duration: 40s; }
.bg-bubbles li:nth-child(9) { left: 90%; width: 90px; height: 90px; animation-delay: 2s; animation-duration: 20s; background-color: var(--secondary-glow); }
.bg-bubbles li:nth-child(10) { left: 85%; width: 160px; height: 160px; animation-delay: 11s; }

@keyframes bubble {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.8;
        border-radius: 50%;
    }
    50% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}

/* شريط التنقل العلوي */
.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto 30px auto;
    padding: 15px 25px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* زر تغيير السمة وزر لوحة التحكم */
.btn-theme, .btn-nav {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    gap: 8px;
    transition: var(--transition);
}

.btn-theme:hover, .btn-nav:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-nav.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

/* الحاوية الرئيسية للنموذج */
.container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    padding: 40px;
    position: relative;
    transition: var(--transition);
}

/* مؤشر خطوات النموذج */
.steps-indicator {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 40px;
}

.steps-indicator::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--border-color);
    z-index: 1;
    border-radius: 2px;
}

.steps-progress {
    position: absolute;
    top: 25px;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 1;
    width: 0%;
    transition: var(--transition);
}

.step-dot {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 50px;
    cursor: pointer;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--input-bg);
    border: 3px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.step-dot.active .step-number {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
    transform: scale(1.1);
}

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

.step-label {
    margin-top: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: var(--transition);
}

.step-dot.active .step-label {
    color: var(--primary);
    font-weight: 700;
}

.step-dot.completed .step-label {
    color: var(--success);
}

/* خطوات النموذج */
.form-step {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ترويسة الخطوة */
.step-header {
    margin-bottom: 30px;
    border-bottom: 2px dashed var(--border-color);
    padding-bottom: 15px;
}

.step-header h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* تنسيق الحقول والمجموعات */
.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

label .required {
    color: var(--danger);
    margin-right: 4px;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--card-bg);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* خيارات الاختيار (Checkboxes & Radios) */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 10px;
}

.checkbox-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.checkbox-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.checkbox-card input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-card span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* الحاوية الشرطية (تظهر وتختفي ديناميكياً) */
.conditional-section {
    display: none;
    margin-top: 25px;
    padding: 25px;
    background: rgba(var(--primary-hue), 10%, 5%);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    animation: slideDown 0.3s ease-out forwards;
}

body.dark-theme .conditional-section {
    background: rgba(255, 255, 255, 0.02);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* أزرار التنقل بالنموذج */
.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.btn-primary, .btn-secondary, .btn-danger, .btn-success {
    padding: 12px 30px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* جداول ديناميكية (أعضاء هيئة التدريس) */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.dynamic-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--input-bg);
}

.dynamic-table th, .dynamic-table td {
    padding: 15px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.dynamic-table th {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
}

body.dark-theme .dynamic-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
}

.dynamic-table tbody tr:hover {
    background: rgba(var(--primary-hue), 10%, 85%, 0.1);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.btn-icon.danger:hover {
    background: var(--danger);
    color: white;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px;
    transition: var(--transition);
}

.btn-link:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* شاشة مراجعة البيانات (Step 6) */
.review-container {
    display: grid;
    gap: 25px;
}

.review-section {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

body.dark-theme .review-section {
    background: rgba(255, 255, 255, 0.02);
}

.review-section h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.review-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.review-item .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.review-item .value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 700;
    white-space: pre-wrap;
    background: var(--input-bg);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    min-height: 38px;
}

/* شاشة النجاح والإنجاز */
.success-screen {
    text-align: center;
    padding: 50px 20px;
    animation: scaleUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    margin: 0 auto 30px auto;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

.success-screen h2 {
    font-size: 2rem;
    color: var(--success);
    margin-bottom: 15px;
}

.success-screen p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

/* لوحة التحكم: إحصائيات سريعة */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

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

.stat-info h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 5px;
}

.stat-info .stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.stat-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: #10b981; }

/* الفلترة والبحث */
.search-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
    justify-content: space-between;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 280px;
    position: relative;
}

.search-box input {
    padding-right: 45px;
}

.search-box i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* جدول بيانات لوحة التحكم */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    background: var(--input-bg);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 16px 20px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
}

body.dark-theme .admin-table th {
    background: rgba(255, 255, 255, 0.03);
}

.admin-table tbody tr {
    transition: var(--transition);
}

.admin-table tbody tr:hover {
    background: rgba(var(--primary-hue), 10%, 85%, 0.12);
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
}

.badge.success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge.info { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }

/* النوافذ المنبثقة (Modal) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 35px;
    box-shadow: var(--card-shadow);
    transform: translateY(30px);
    transition: var(--transition);
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.modal-title {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
}

/* تنسيق المجموعات في النافذة المنبثقة */
.modal-section {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.35);
    border: 1px solid var(--border-color);
}

body.dark-theme .modal-section {
    background: rgba(255, 255, 255, 0.02);
}

.modal-section h4 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 8px;
}

/* التجاوب (Media Queries) */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 20px;
        border-radius: var(--radius-md);
    }
    
    .steps-indicator {
        margin-bottom: 30px;
    }
    
    .step-label {
        display: none; /* إخفاء النص في الهواتف للتوفير في المساحة */
    }
    
    .steps-indicator::before, .steps-progress {
        top: 20px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
    
    .header-nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        align-items: stretch;
    }
    
    .logo-container {
        justify-content: center;
    }
    
    .nav-actions {
        justify-content: space-between;
    }
    
    .search-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
}