/* 
 * نظام التصميم والثيمات لنظام إدارة الحسابات والمصروفات
 * المعهد العالي للعلوم الإدارية بالمنزلة - 2026
 */

/* ==========================================================================
   1. تعريف المتغيرات والسمات (CSS Variables & Themes)
   ========================================================================== */

/* المشترك لجميع السمات */
:root {
    --font-primary: 'Cairo', 'Tajawal', system-ui, -apple-system, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 280px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* ألوان الحالة المشتركة */
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.15);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.15);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.15);
}

/* ثيم طين ناعم فاتح - Claymorphism Light */
html[data-theme="clay-light"] {
    --bg-gradient: linear-gradient(135deg, #eef2f7 0%, #dbe3ed 100%);
    --card-bg: #ffffff;
    --card-border: 2px solid #ffffff;
    --card-shadow: 8px 8px 16px #c4cdd8, -8px -8px 16px #ffffff;
    --card-shadow-hover: 12px 12px 24px #b8c1cc, -12px -12px 24px #ffffff;
    --inset-shadow-1: inset 4px 4px 8px rgba(255, 255, 255, 0.8);
    --inset-shadow-2: inset -4px -4px 8px rgba(165, 180, 200, 0.25);
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --accent-color: #4b6cb7;
    --accent-color-bg: rgba(75, 108, 183, 0.1);
    --accent-hover: #182848;
    --sidebar-bg: #ffffff;
    --sidebar-shadow: 10px 0 20px rgba(165, 180, 200, 0.15);
    --input-bg: #f4f7f6;
    --input-border: 1px solid #dcdde1;
    --input-inset-shadow: inset 2px 2px 5px rgba(0,0,0,0.05);
    --backdrop-blur: 0px;
    --body-bg-fallback: #eef2f7;
}

/* ثيم طين ناعم داكن - Claymorphism Dark */
html[data-theme="clay-dark"] {
    --bg-gradient: linear-gradient(135deg, #18202c 0%, #0d1117 100%);
    --card-bg: #212c3d;
    --card-border: 2px solid #2b394e;
    --card-shadow: 8px 8px 16px #090c11, -8px -8px 16px #19212d, inset 3px 3px 6px rgba(255,255,255,0.05);
    --card-shadow-hover: 12px 12px 24px #06080b, -12px -12px 24px #1c2635, inset 4px 4px 8px rgba(255, 255, 255, 0.08);
    --inset-shadow-1: inset 2px 2px 4px rgba(255, 255, 255, 0.05);
    --inset-shadow-2: inset -3px -3px 6px rgba(0, 0, 0, 0.4);
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-color: #6366f1;
    --accent-color-bg: rgba(99, 102, 241, 0.15);
    --accent-hover: #4f46e5;
    --sidebar-bg: #151d28;
    --sidebar-shadow: -10px 0 20px rgba(0,0,0,0.3);
    --input-bg: #1c2534;
    --input-border: 1px solid #2d3748;
    --input-inset-shadow: inset 2px 2px 5px rgba(0,0,0,0.2);
    --backdrop-blur: 0px;
    --body-bg-fallback: #18202c;
}

/* ثيم زجاجي فاتح - Glassmorphism Light */
html[data-theme="glass-light"] {
    --bg-gradient: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
    --card-bg: rgba(255, 255, 255, 0.45);
    --card-border: 1px solid rgba(255, 255, 255, 0.4);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --card-shadow-hover: 0 12px 40px 0 rgba(31, 38, 135, 0.18);
    --inset-shadow-1: none;
    --inset-shadow-2: none;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --accent-color: #3b82f6;
    --accent-color-bg: rgba(59, 130, 246, 0.15);
    --accent-hover: #2563eb;
    --sidebar-bg: rgba(255, 255, 255, 0.35);
    --sidebar-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --input-bg: rgba(255, 255, 255, 0.5);
    --input-border: 1px solid rgba(255, 255, 255, 0.3);
    --input-inset-shadow: none;
    --backdrop-blur: 20px;
    --body-bg-fallback: #c2e9fb;
}

/* ثيم زجاجي داكن - Glassmorphism Dark */
html[data-theme="glass-dark"] {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg: rgba(15, 23, 42, 0.45);
    --card-border: 1px solid rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --card-shadow-hover: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
    --inset-shadow-1: none;
    --inset-shadow-2: none;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #818cf8;
    --accent-color-bg: rgba(129, 140, 248, 0.15);
    --accent-hover: #6366f1;
    --sidebar-bg: rgba(15, 23, 42, 0.6);
    --sidebar-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --input-bg: rgba(15, 23, 42, 0.5);
    --input-border: 1px solid rgba(255, 255, 255, 0.1);
    --input-inset-shadow: none;
    --backdrop-blur: 20px;
    --body-bg-fallback: #0f172a;
}

/* ==========================================================================
   2. إعادة التعيين والتنسيق الأساسي (Reset & Base Styles)
   ========================================================================== */

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

body {
    font-family: var(--font-primary);
    background: var(--bg-gradient);
    background-color: var(--body-bg-fallback);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: auto !important;
    transition: background var(--transition-normal), color var(--transition-normal);
}

a {
    text-decoration: none;
    color: inherit;
}

button, input, select, textarea {
    font-family: var(--font-primary);
    outline: none;
}

/* خلفية الفقاعات المتحركة للجمالية والعمق البصري */
.blob-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.35;
    mix-blend-mode: multiply;
}

[data-theme="clay-dark"] .blob, [data-theme="glass-dark"] .blob {
    opacity: 0.22;
    mix-blend-mode: screen;
}

.blob-1 {
    top: -10%;
    left: 10%;
    width: 450px;
    height: 450px;
    background: #4b6cb7;
    animation: float-1 14s infinite ease-in-out;
}

.blob-2 {
    bottom: -10%;
    right: 15%;
    width: 500px;
    height: 500px;
    background: #6366f1;
    animation: float-2 18s infinite ease-in-out;
}

.blob-3 {
    top: 30%;
    left: 45%;
    width: 380px;
    height: 380px;
    background: #10b981;
    animation: float-3 12s infinite ease-in-out;
}

@keyframes float-1 {
    0% { transform: translate(0px, 0px) scale(1) rotate(0deg); }
    33% { transform: translate(70px, 90px) scale(1.15) rotate(120deg); }
    66% { transform: translate(-40px, 40px) scale(0.9) rotate(240deg); }
    100% { transform: translate(0px, 0px) scale(1) rotate(360deg); }
}

@keyframes float-2 {
    0% { transform: translate(0px, 0px) scale(1) rotate(0deg); }
    33% { transform: translate(-80px, -60px) scale(0.85) rotate(-120deg); }
    66% { transform: translate(50px, -30px) scale(1.1) rotate(-240deg); }
    100% { transform: translate(0px, 0px) scale(1) rotate(-360deg); }
}

@keyframes float-3 {
    0% { transform: translate(0px, 0px) scale(1) rotate(0deg); }
    33% { transform: translate(50px, -80px) scale(1.12) rotate(90deg); }
    66% { transform: translate(-60px, 50px) scale(0.92) rotate(180deg); }
    100% { transform: translate(0px, 0px) scale(1) rotate(270deg); }
}

/* ==========================================================================
   3. تصميم هيكل التطبيق (App Layout & Navigation)
   ========================================================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* القائمة الجانبية Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    box-shadow: var(--sidebar-shadow);
    backdrop-filter: blur(var(--backdrop-blur));
    border-left: var(--card-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

.sidebar-header {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-bottom: var(--card-border);
}

.sidebar-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.15));
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.4;
}

.sidebar-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 10px;
    overflow-y: auto;
    flex-grow: 1;
}

.sidebar-menu li {
    margin-bottom: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: var(--border-radius-md);
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.sidebar-link-icon {
    font-size: 1.2rem;
    margin-left: 12px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 24px;
}

.sidebar-link:hover, .sidebar-menu li.active .sidebar-link {
    background: var(--accent-color-bg);
    color: var(--accent-color);
    border-color: var(--card-border);
    box-shadow: var(--inset-shadow-1), var(--inset-shadow-2);
    transform: translateX(-5px);
}

.sidebar-footer {
    padding: 20px;
    border-top: var(--card-border);
    text-align: center;
}

.user-badge {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: var(--border-radius-md);
    background: var(--input-bg);
    margin-bottom: 10px;
    border: var(--card-border);
    box-shadow: var(--inset-shadow-1);
}

.user-badge-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-color);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-left: 10px;
    font-size: 1.1rem;
}

.user-badge-info {
    text-align: right;
    overflow: hidden;
}

.user-badge-name {
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: block;
}

.user-badge-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
}

/* محتوى الصفحة الرئيسي Main Content */
.main-content {
    margin-right: var(--sidebar-width);
    flex-grow: 1;
    padding: 30px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-right var(--transition-normal);
}

/* شريط التحكم العلوي Navbar */
.top-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 25px;
    border-radius: var(--border-radius-lg);
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(var(--backdrop-blur));
    position: relative;
    z-index: 1000;
}

.page-title h1 {
    font-size: 1.4rem;
    font-weight: 800;
}

.page-title .breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.academic-year-badge {
    background: var(--accent-color-bg);
    color: var(--accent-color);
    padding: 6px 14px;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 0.85rem;
    border: 1px dashed var(--accent-color);
}

/* ==========================================================================
   4. الأزرار ومغيرات الثيم (Buttons & Themes Controls)
   ========================================================================== */

/* مغير الثيمات */
.theme-switcher-container {
    position: relative;
    display: inline-block;
    z-index: 1010;
}

.theme-toggle-btn {
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    color: var(--text-color);
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.theme-menu-popup {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    border-radius: var(--border-radius-md);
    padding: 8px;
    z-index: 9999 !important;
    width: 220px;
    backdrop-filter: blur(var(--backdrop-blur));
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.theme-menu-popup.hidden {
    display: none;
}

.theme-menu-popup button {
    background: transparent;
    border: none;
    padding: 10px 12px;
    text-align: right;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.theme-menu-popup button:hover {
    background: var(--accent-color-bg);
    color: var(--accent-color);
}

/* الأزرار العامة */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    gap: 8px;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--input-bg);
    color: var(--text-color);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
}

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

.btn-success {
    background: var(--color-success);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--color-danger);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-info {
    background: var(--color-info);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-info:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
    border-radius: var(--border-radius-sm);
}

/* ==========================================================================
   5. الكروت والإحصائيات (Cards & Dashboard Statistics)
   ========================================================================== */

.card {
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    backdrop-filter: blur(var(--backdrop-blur));
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* شبكة الإحصائيات (Stat Cards Grid) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    border-radius: var(--border-radius-lg);
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(var(--backdrop-blur));
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-left: 15px;
    flex-shrink: 0;
}

.stat-card.primary .stat-card-icon { background: var(--accent-color-bg); color: var(--accent-color); }
.stat-card.success .stat-card-icon { background: var(--color-success-bg); color: var(--color-success); }
.stat-card.warning .stat-card-icon { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card.danger .stat-card-icon { background: var(--color-danger-bg); color: var(--color-danger); }

.stat-card-info {
    flex-grow: 1;
}

.stat-card-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
}

.stat-card-value {
    font-size: 1.4rem;
    font-weight: 800;
    margin-top: 5px;
}

/* ==========================================================================
   6. الجداول والقوائم (Tables & Lists)
   ========================================================================== */

.table-responsive {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    margin-top: 15px;
    border-radius: var(--border-radius-md);
    padding-bottom: 8px;
    position: relative;
}

/* شريط تمرير أفقي عريض وواضح جداً عند التكبير والزوم */
.table-responsive::-webkit-scrollbar {
    height: 12px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, #1e3c72 0%, #2a5298 50%, #3b82f6 100%);
    border-radius: 10px;
    border: 2px solid var(--input-bg);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(90deg, #10b981 0%, #3b82f6 100%);
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}

.table th, .table td {
    padding: 14px 18px;
    font-size: 0.88rem;
    vertical-align: middle;
}

.table th {
    background: var(--input-bg);
    color: var(--text-color);
    font-weight: 700;
    border-bottom: 2px solid var(--input-border);
    white-space: nowrap;
}

.table td {
    border-bottom: 1px solid var(--input-border);
    color: var(--text-color);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--accent-color-bg);
}

/* شارات الحالة (Badges) */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    white-space: nowrap;
    line-height: 1.2;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }

/* شارات اللجان التفاعلية */
.badge-committee-place {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 20px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #ffffff !important;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(30, 60, 114, 0.22);
}

.badge-committee-number {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.12);
    color: #065f46 !important;
    border: 1px solid rgba(16, 185, 129, 0.3);
    white-space: nowrap;
}

/* ==========================================================================
   7. النماذج وحقول الإدخال (Forms & Inputs)
   ========================================================================== */

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    right: 15px;
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.input-wrapper input, .input-wrapper select, .input-wrapper textarea, .form-control {
    width: 100%;
    padding: 12px 15px;
    border-radius: var(--border-radius-md);
    background: var(--input-bg);
    border: var(--input-border);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    box-shadow: var(--input-inset-shadow);
}

.input-wrapper input {
    padding-right: 45px; /* مسافة للأيقونة على اليمين */
}

.input-wrapper input:focus, .input-wrapper select:focus, .input-wrapper textarea:focus, .form-control:focus {
    border-color: var(--accent-color);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px var(--accent-color-bg);
}

/* ==========================================================================
   8. التنبيهات ورسائل النجاح والخطأ (Alerts)
   ========================================================================== */

.alert {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
    font-size: 0.88rem;
    font-weight: 600;
}

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

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

.alert-icon {
    font-size: 1.2rem;
    margin-left: 12px;
}

/* ==========================================================================
   9. تصميم واجهة تسجيل الدخول التنفيذية الموحدة (Centered Executive Login UI)
   ========================================================================== */

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 30px 20px;
    position: relative;
    background: var(--bg-gradient);
    background-color: var(--body-bg-fallback);
}

.login-container {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.login-card {
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.22), var(--card-shadow);
    border-radius: 24px;
    padding: 36px 32px;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #d4af37 0%, var(--accent-color) 50%, #d4af37 100%);
}

.login-card:hover {
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.3), var(--card-shadow-hover);
    transform: translateY(-2px);
}

.login-header {
    text-align: center;
    margin-bottom: 26px;
}

.logo-wrapper {
    width: 90px !important;
    height: 90px !important;
    min-width: 90px !important;
    min-height: 90px !important;
    max-width: 90px !important;
    max-height: 90px !important;
    margin: 0 auto 16px !important;
    background: #0f1e36 !important;
    border-radius: 50% !important;
    padding: 8px !important;
    box-shadow: 0 8px 24px rgba(15, 30, 54, 0.25) !important;
    border: 2.5px solid #d4af37 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    flex-shrink: 0 !important;
}

.logo-wrapper img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: contain !important;
    display: block !important;
}

.login-header h2 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 6px;
    line-height: 1.4;
}

.login-header .subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.login-form .form-group {
    margin-bottom: 18px;
}

.login-form .form-group label {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .input-icon {
    position: absolute;
    right: 14px;
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 42px 12px 14px;
    border-radius: var(--border-radius-md);
    background: var(--input-bg);
    border: 1.5px solid var(--input-border);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.input-wrapper input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-color-bg);
    background: var(--card-bg);
}

.input-wrapper input:focus ~ .input-icon {
    color: var(--accent-color);
}

.password-toggle-btn {
    position: absolute;
    left: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.05rem;
    padding: 4px 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    z-index: 3;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.password-toggle-btn:hover {
    color: var(--accent-color);
    background: var(--accent-color-bg);
}

.form-options-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    font-size: 0.8rem;
}

.remember-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 600;
    user-select: none;
}

.remember-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.login-submit-btn {
    width: 100%;
    padding: 15px 24px;
    font-size: 1.05rem;
    font-weight: 800;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%) !important;
    color: #ffffff !important;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(30, 60, 114, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-normal);
}

.login-submit-btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%) !important;
    box-shadow: 0 12px 28px rgba(30, 60, 114, 0.55);
    color: #ffffff !important;
}

.login-submit-btn:active {
    transform: translateY(0);
}

.login-footer-dev {
    text-align: center;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px dashed var(--input-border);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.6;
}

.login-footer-dev a {
    color: #2563eb;
    font-weight: 800;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.login-footer-dev a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.system-main-footer {
    margin-top: 40px;
    padding: 16px 24px;
    text-align: center;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-muted);
    border-top: 1px solid var(--input-border);
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
}

.system-main-footer a {
    color: #2563eb;
    font-weight: 800;
    text-decoration: none;
}

.system-main-footer a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* مغير المظهر في تسجيل الدخول */
.login-body .theme-switcher-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.login-body .theme-toggle-btn {
    background: var(--card-bg);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(12px);
    transition: all var(--transition-fast);
}

.login-body .theme-toggle-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent-color);
}

/* ==========================================================================
   10. التجاوب وتوافق الشاشات (Responsive Design)
   ========================================================================== */

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%); /* إخفاء السايدبار في الموبايل والتابلت */
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
        padding: 15px;
    }
    
    .top-navbar {
        border-radius: var(--border-radius-md);
        padding: 12px 18px;
    }
}

/* زر إظهار السايدبار للهاتف */
.menu-toggle-btn {
    display: none;
    background: var(--card-bg);
    border: var(--card-border);
    color: var(--text-color);
    padding: 10px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
}

@media (max-width: 992px) {
    .menu-toggle-btn {
        display: inline-flex;
    }
}

/* شاشة الطباعة */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    .sidebar, .top-navbar, .theme-switcher-container, .btn, .alert, .login-body, .theme-switcher-container {
        display: none !important;
    }
    .main-content {
        margin-right: 0 !important;
        padding: 0 !important;
    }
}

/* ==========================================================================
   11. النوافذ المنبثقة (Modals & Overlays)
   ========================================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.modal.active, .modal[style*="display: block"], .modal[style*="display: flex"] {
    display: flex !important;
}

.modal-content {
    background: var(--card-bg, #ffffff);
    color: var(--text-color, #1e293b);
    border: 2px solid var(--card-border, #e2e8f0);
    border-radius: var(--border-radius-lg, 24px);
    padding: 28px;
    width: 100%;
    max-width: 700px;
    box-shadow: var(--card-shadow, 0 20px 25px -5px rgba(0, 0, 0, 0.2));
    position: relative;
    margin: auto;
    animation: modalSlide 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.modal-close {
    position: absolute;
    top: 18px;
    left: 20px;
    font-size: 26px;
    font-weight: bold;
    color: var(--text-muted, #64748b);
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    line-height: 1;
    z-index: 10;
}

.modal-close:hover {
    color: var(--color-danger, #ef4444);
    transform: rotate(90deg) scale(1.15);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.modal-overlay.hidden {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

.modal-overlay .card {
    animation: modalSlide 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modalSlide {
    from {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.close-modal-btn {
    transition: transform var(--transition-fast);
}

.close-modal-btn:hover {
    transform: rotate(90deg) scale(1.1);
    color: var(--color-danger) !important;
}

/* ==========================================================================
   12. حركات الأنيميشن الجذابة وتأثيرات الواجهة (Premium System Animations)
   ========================================================================== */

/* أنيميشن دخول العناصر مع إزاحة للأعلى */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* أنيميشن الدخول بتكبير طفيف */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* أنيميشن النبض الدائري للشعار */
@keyframes logoPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(75, 108, 183, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(75, 108, 183, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(75, 108, 183, 0);
    }
}

/* تطبيق تأثيرات الدخول والأنيميشن */
.animate-fade-in-up {
    animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-scale-in {
    animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* تأخير متدرج لتتالي ظهور العناصر */
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }
.delay-5 { animation-delay: 0.4s; }

/* تأثير نبض الشعار الجذاب */
.logo-pulse {
    border-radius: 50%;
    animation: logoPulse 2.5s infinite;
}

/* تحسين تأثير التحويم على كروت الإحصائيات (Stat Cards) */
.stat-card {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-color);
}

/* تأثير تحويم على الأزرار */
.btn {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.btn:active {
    transform: translateY(1px);
}

/* تأثيرات تحويم زر تسجيل الخروج في الهيدر */
.navbar-logout-btn:hover {
    background: var(--color-danger) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.25);
}
.navbar-logout-btn:active {
    transform: translateY(1px);
}

/* تحسين وتنسيق منسدلات شريط التنقل العلوي (Header Filters) */
.header-filters-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    padding: 6px 16px;
    border-radius: var(--border-radius-md);
    border: var(--card-border);
    box-shadow: var(--inset-shadow-1);
    margin-left: 15px;
    min-height: 58px;
    height: auto;
    transition: all var(--transition-normal);
}

.header-filter-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.header-filter-label {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 6px 12px 6px 30px; /* زيادة الحشو من اليسار لتناسب السهم في الـ RTL */
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    height: 34px;
    min-width: 90px;
    transition: all var(--transition-fast);
    
    /* سهم منزلق مخصص بالـ SVG مناسب للاتجاهين RTL/LTR */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 10px center;
    background-size: 11px;
}

/* في الوضع الداكن، نعدل لون سهم الـ SVG ليكون فاتحاً */
[data-theme*="dark"] .header-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a0aec0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.header-select:hover {
    border-color: var(--accent-color);
    background-color: var(--input-bg-focus);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.header-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* فاصل عمودي أنيق بين الفلاتر */
.header-filter-divider {
    width: 1.5px;
    height: 32px;
    background-color: var(--input-border);
    align-self: center;
}

/* ==========================================================================
   التكيف الشامل والتجاوب التام لجميع الأجهزة والشاشات (System-Wide Responsive System)
   ========================================================================== */

/* 1. التجاوب الشامل للحاويات والكروت والشبكات */
*, *::before, *::after {
    box-sizing: border-box;
}

img, svg, video, iframe {
    max-width: 100%;
    height: auto;
}

.main-content {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    padding: 20px;
}

/* الشبكات التكيفية ذاتية التدفق (Auto-Fit Fluid Grids) */
.grid-fluid,
.stat-grid,
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 20px;
    width: 100%;
}

/* 2. تجاوب الجداول والجداول التفاعلية (Responsive Data Tables) */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 15px;
    border-radius: var(--border-radius-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    white-space: normal;
}

.table th, .table td {
    word-break: break-word;
    vertical-align: middle;
}

/* 3. تجاوب الهيدر وشريط التنقل العلوي الفائق */
.top-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.header-filters-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 100%;
}

/* 4. تجاوب النوافذ المنبثقة (Modal Dialogs Responsiveness) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.modal-overlay .card,
.modal-overlay > div {
    max-width: calc(100vw - 30px) !important;
    max-height: calc(100vh - 40px) !important;
    overflow-y: auto !important;
    margin: auto;
}

/* 5. تجاوب النماذج والحقول (Form Grid Fluidity) */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 15px;
    width: 100%;
}

.form-control,
select,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
input[type="email"],
textarea {
    width: 100%;
    max-width: 100%;
}

/* 6. نقاط التجاوب حسب أبعاد الشاشات (Breakpoints Optimization) */

/* الشاشات الكبيرة والشاشات الفائقة (Ultrawide Monitors >= 1400px) */
@media (min-width: 1400px) {
    .main-content {
        padding: 25px 35px;
    }
}

/* اللابتوبات والشاشات المتوسطة (1024px to 1399px) */
@media (max-width: 1399px) {
    .header-filters-container {
        padding: 4px 10px;
    }
}

/* أجهزة التابلت والشاشات الصغيرة (769px to 1023px) */
@media (max-width: 1023px) {
    .header-filters-container {
        gap: 6px;
    }
    .header-filter-item {
        font-size: 0.75rem;
    }
}

/* الأجهزة المحمولة وشاشات الهواتف (Mobiles <= 768px) */
@media (max-width: 768px) {
    .main-content {
        padding: 12px;
    }

    .top-navbar {
        padding: 10px 12px;
        gap: 10px;
    }

    .page-title h1 {
        font-size: 1.1rem;
    }

    .breadcrumb {
        display: none;
    }

    /* تحسين عرض الهيدر والفلتر في الهواتف */
    .header-filters-container {
        display: flex !important;
        flex-wrap: wrap;
        width: 100%;
        justify-content: space-between;
        padding: 8px 10px;
        margin-left: 0;
    }

    .header-filter-item {
        flex: 1 1 calc(33% - 6px);
        min-width: 90px;
    }

    .header-select {
        width: 100% !important;
        min-width: auto;
        font-size: 0.75rem;
    }

    .header-filter-divider {
        display: none;
    }

    .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .card {
        padding: 15px;
        border-radius: var(--border-radius-md);
    }
}

/* شاشات الهواتف الصغيرة جداً (Small Mobiles <= 480px) */
@media (max-width: 480px) {
    .header-filter-item {
        flex: 1 1 100%;
    }

    .top-actions {
        flex-direction: column;
        align-items: stretch !important;
    }

    .top-actions .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}