/* ============================================
   Responsive Design - التصميم المتجاوب
   متوافق مع جميع الشاشات: هواتف، أجهزة لوحية، كمبيوتر
   ============================================ */

/* ===== Breakpoints ===== */
/* 
   - Mobile: < 576px (هواتف صغيرة)
   - Tablet: 576px - 768px (هواتف كبيرة / أجهزة لوحية صغيرة)
   - Desktop: 768px - 992px (أجهزة لوحية / شاشات صغيرة)
   - Large Desktop: 992px - 1200px (شاشات متوسطة)
   - XL Desktop: > 1200px (شاشات كبيرة)
*/

/* ===== Base Responsive Styles ===== */

/* تحسينات عامة للشاشات الصغيرة */
@media (max-width: 575.98px) {
    /* Typography */
    html {
        font-size: 14px;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }
    
    /* Containers */
    .container {
        padding: 0 1rem;
    }
    
    .main-content-wrapper {
        padding: 1rem !important;
        margin-right: 0 !important;
    }
    
    /* Cards */
    .card {
        margin-bottom: 1rem;
        border-radius: 12px;
    }
    
    .card-header {
        padding: 1rem !important;
        font-size: 1rem !important;
    }
    
    .card-body {
        padding: 1rem !important;
    }
    
    /* Buttons */
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .btn-sm {
        padding: 0.5rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Stats Cards */
    .stats-card {
        padding: 1.5rem 1rem;
    }
    
    .stats-card .number {
        font-size: 1.75rem;
    }
    
    .stats-card .label {
        font-size: 0.875rem;
    }
    
    /* Icon Boxes */
    .icon-box {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.75rem 0.5rem;
        white-space: nowrap;
    }
    
    /* Forms */
    .form-control,
    .form-select {
        font-size: 16px; /* منع التكبير التلقائي على iOS */
        padding: 0.875rem;
    }
    
    /* Symptom Scale */
    .symptom-scale {
        gap: 0.5rem;
    }
    
    .symptom-scale-item {
        min-width: 40px;
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
        min-height: 50px;
    }
    
    .patient-symptom-scale-item {
        min-height: 60px;
        font-size: 0.875rem;
    }
    
    /* Grid Layouts */
    .row {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* Doctor Dashboard */
    .doctor-grid-layout {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* Patient Quick Actions */
    .patient-quick-action {
        min-height: 120px;
        padding: 1rem;
    }
    
    .patient-quick-action-icon {
        font-size: 2rem;
    }
    
    /* Login Page */
    .login-page {
        padding: 1rem;
    }
    
    .login-page .card {
        max-width: 100%;
        margin: 0;
    }
    
    /* Back Button */
    .back-button {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
    
    /* Alerts */
    .alert {
        padding: 1rem;
        font-size: 0.875rem;
    }
    
    /* Badges */
    .badge {
        font-size: 0.6875rem;
        padding: 0.25rem 0.5rem;
    }
}

/* ===== Tablet Styles (576px - 768px) ===== */
@media (min-width: 576px) and (max-width: 767.98px) {
    html {
        font-size: 15px;
    }
    
    .main-content-wrapper {
        padding: 1.5rem !important;
    }
    
    .row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .col-md-3 {
        grid-column: span 2;
    }
    
    .col-md-6 {
        grid-column: span 2;
    }
    
    .stats-card {
        padding: 1.75rem 1.25rem;
    }
    
    .card-header {
        padding: 1.25rem !important;
    }
    
    .card-body {
        padding: 1.25rem !important;
    }
    
    .symptom-scale-item {
        min-width: 45px;
        padding: 0.875rem 0.625rem;
    }
    
    .doctor-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

/* ===== Desktop Styles (768px - 992px) ===== */
@media (min-width: 768px) and (max-width: 991.98px) {
    .main-content-wrapper {
        padding: 1.75rem !important;
    }
    
    .row {
        grid-template-columns: repeat(12, 1fr);
        gap: 1.5rem;
    }
    
    .col-md-3 {
        grid-column: span 3;
    }
    
    .col-md-4 {
        grid-column: span 4;
    }
    
    .col-md-6 {
        grid-column: span 6;
    }
    
    .col-md-8 {
        grid-column: span 8;
    }
    
    .col-md-9 {
        grid-column: span 9;
    }
    
    .col-md-12 {
        grid-column: span 12;
    }
    
    /* Sidebar adjustments */
    .sidebar {
        width: 260px;
    }
    
    .main-content-wrapper {
        margin-right: 260px;
    }
    
    .sidebar-container:not(.hidden) ~ .sidebar-toggle {
        right: calc(260px + 1.5rem);
    }
}

/* ===== Large Desktop (992px - 1200px) ===== */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .container {
        max-width: 1140px;
    }
    
    .main-content-wrapper {
        padding: 2rem !important;
    }
}

/* ===== Extra Large Desktop (> 1200px) ===== */
@media (min-width: 1200px) {
    .container {
        max-width: 1320px;
    }
    
    .main-content-wrapper {
        padding: 2.5rem !important;
    }
}

/* ===== Sidebar Responsive ===== */
@media (max-width: 768px) {
    .sidebar-container {
        width: 100%;
        max-width: 320px;
        box-shadow: var(--shadow-xl);
        transform: translateX(100%); /* مخفي افتراضياً */
        will-change: transform;
    }
    
    .sidebar-container.show {
        transform: translateX(0) !important; /* يظهر عند إضافة class show */
        z-index: 1001 !important;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .sidebar-container.hidden {
        transform: translateX(100%) !important;
    }
    
    .main-content-wrapper {
        margin-right: 0 !important;
        padding: 1rem !important;
        width: 100% !important;
    }
    
    .sidebar-toggle {
        right: 1rem !important;
        top: 1rem;
        display: flex !important; /* إظهار الزر دائماً */
        z-index: 1003 !important; /* الزر فوق كل شيء */
    }
    
    .sidebar .logo {
        padding: 1.5rem 1rem;
    }
    
    .sidebar .logo img {
        width: 100px;
    }
    
    .sidebar .nav-link {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 48px;
    }
    
    .sidebar .nav-link i {
        width: 20px;
        font-size: 1rem;
    }
    
    /* زر إغلاق داخل الشريط على الشاشات الصغيرة */
    .sidebar-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        position: absolute;
        top: 1rem;
        left: 1rem;
        background: rgba(255, 255, 255, 0.2);
        color: white;
        border: none;
        border-radius: 50%;
        cursor: pointer;
        z-index: 10;
        transition: all 0.3s ease;
    }
    
    .sidebar-close-btn:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: scale(1.1);
    }
    
    .sidebar-close-btn:active {
        transform: scale(0.95);
    }
    
    /* Overlay للشاشات الصغيرة */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        backdrop-filter: blur(2px);
    }
    
    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ===== Tables Responsive ===== */
@media (max-width: 768px) {
    /* تحويل الجداول إلى بطاقات على الشاشات الصغيرة */
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* بديل: تحويل الجداول إلى بطاقات */
    .table-mobile-cards {
        display: none;
    }
    
    @media (max-width: 575.98px) {
        .table {
            display: none;
        }
        
        .table-mobile-cards {
            display: block;
        }
        
        .table-mobile-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 1rem;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }
        
        .table-mobile-card-row {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--gray-200);
        }
        
        .table-mobile-card-row:last-child {
            border-bottom: none;
        }
        
        .table-mobile-card-label {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.875rem;
        }
        
        .table-mobile-card-value {
            color: var(--text-secondary);
            font-size: 0.875rem;
            text-align: left;
        }
    }
}

/* ===== Forms Responsive ===== */
@media (max-width: 575.98px) {
    .input-group {
        flex-direction: column;
    }
    
    .input-group-text {
        border-radius: var(--radius-md) var(--radius-md) 0 0;
        border: 2px solid var(--gray-300);
        border-bottom: none;
    }
    
    .input-group .form-control {
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        border-top: none;
    }
    
    .form-check {
        margin-bottom: 1rem;
    }
}

/* ===== Dashboard Layouts ===== */
@media (max-width: 768px) {
    /* Patient Dashboard */
    .patient-dashboard .row {
        grid-template-columns: 1fr;
    }
    
    .patient-dashboard .col-md-3 {
        grid-column: span 1;
    }
    
    /* Doctor Dashboard */
    .doctor-dashboard .doctor-grid-layout {
        grid-template-columns: 1fr;
    }
    
    /* Stats Grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 575.98px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Charts Responsive ===== */
@media (max-width: 768px) {
    .chart-container {
        height: 250px !important;
        margin: 1rem 0;
    }
    
    .doctor-chart-container {
        padding: 1rem;
    }
}

@media (max-width: 575.98px) {
    .chart-container {
        height: 200px !important;
    }
}

/* ===== Navigation & Header ===== */
@media (max-width: 768px) {
    .d-flex.justify-between {
        flex-direction: column;
        gap: 1rem;
    }
    
    .d-flex.justify-between > div {
        width: 100%;
    }
    
    .d-flex.justify-between > div:first-child {
        text-align: center;
    }
}

/* ===== Modals & Overlays ===== */
@media (max-width: 575.98px) {
    .modal,
    .modal-dialog {
        max-width: 100%;
        margin: 0;
    }
    
    .modal-content {
        border-radius: 0;
        min-height: 100vh;
    }
}

/* ===== Print Styles ===== */
@media print {
    .sidebar-container,
    .sidebar-toggle,
    .back-button,
    .btn {
        display: none !important;
    }
    
    .main-content-wrapper {
        margin-right: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ===== Landscape Orientation (Mobile) ===== */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar {
        max-height: 100vh;
        overflow-y: auto;
    }
    
    .main-content-wrapper {
        padding: 1rem !important;
    }
}

/* ===== Touch Device Optimizations ===== */
@media (hover: none) and (pointer: coarse) {
    /* تحسينات للأجهزة التي تعمل باللمس */
    .btn,
    .nav-link,
    .symptom-scale-item {
        min-height: 44px; /* الحد الأدنى الموصى به من Apple */
    }
    
    .card:hover {
        transform: none; /* إزالة تأثيرات hover على الأجهزة اللمسية */
    }
    
    /* زيادة مساحة اللمس */
    .table tbody tr {
        padding: 0.5rem 0;
    }
    
    /* تحسين الأزرار */
    .btn:active {
        transform: scale(0.98);
    }
}

/* ===== High DPI Displays ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .sidebar .logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ===== Accessibility Improvements ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Dark Mode Support (Future) ===== */
@media (prefers-color-scheme: dark) {
    /* يمكن إضافة دعم الوضع الداكن هنا لاحقاً */
}

/* ===== Utility Classes for Responsive ===== */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .show-mobile {
        display: block !important;
    }
    
    .hide-tablet {
        display: block;
    }
    
    .show-tablet {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .hide-tablet {
        display: none !important;
    }
    
    .show-tablet {
        display: block !important;
    }
}

/* ===== Flexbox Responsive Utilities ===== */
@media (max-width: 768px) {
    .d-flex {
        flex-wrap: wrap;
    }
    
    .flex-column-mobile {
        flex-direction: column;
    }
    
    .flex-row-mobile {
        flex-direction: row;
    }
    
    .justify-center-mobile {
        justify-content: center;
    }
    
    .text-center-mobile {
        text-align: center;
    }
}

/* ===== Spacing Responsive ===== */
@media (max-width: 575.98px) {
    .mb-3-mobile {
        margin-bottom: 1rem;
    }
    
    .mb-4-mobile {
        margin-bottom: 1.5rem;
    }
    
    .mb-5-mobile {
        margin-bottom: 2rem;
    }
    
    .p-3-mobile {
        padding: 1rem;
    }
    
    .p-4-mobile {
        padding: 1.5rem;
    }
}

/* ===== Animation for Mobile ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* ===== Specific Component Fixes ===== */

/* Fix for dashboard grid on mobile */
@media (max-width: 768px) {
    .row[style*="grid-template-columns: 2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    .row[style*="display: grid"] {
        grid-template-columns: 1fr !important;
    }
}

/* Fix for doctor dashboard stats */
@media (max-width: 768px) {
    div[style*="grid-template-columns: repeat(auto-fit, minmax(250px, 1fr))"] {
        grid-template-columns: 1fr !important;
    }
    
    div[style*="grid-template-columns: repeat(auto-fit, minmax(400px, 1fr))"] {
        grid-template-columns: 1fr !important;
    }
}

/* Fix for patient dashboard layout */
@media (max-width: 768px) {
    .patient-dashboard .row[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
}