/* ===================================
   دباغ PWA - استایل اصلی
   طراحی: Glassmorphism
   فونت: IRANYekan
=================================== */

/* فونت IRANYekan */
@font-face {
    font-family: 'IRANYekan';
    src: url('../fonts/iran_yekan_medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* متغیرهای CSS - حالت روشن */
:root {
    /* رنگ‌های اصلی */
    --primary-color: #10B981;
    --primary-dark: #059669;
    --primary-light: #34D399;
    --secondary-color: #6366F1;
    
    /* رنگ‌های پس‌زمینه */
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-dark: rgba(255, 255, 255, 0.5);
    
    /* رنگ‌های متن */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* رنگ‌های وضعیت */
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --info-color: #3B82F6;
    
    /* سایه‌ها */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    
    /* گلس‌مورفیسم */
    --glass-blur: blur(16px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.3);
    
    /* گرادیان‌ها */
    --gradient-primary: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-secondary: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* ابعاد */
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    
    /* انیمیشن */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* فاصله‌ها */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* ارتفاع‌های ثابت */
    --app-bar-height: 60px;
    --bottom-bar-height: 70px;
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

/* حالت تاریک */
[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-glass: rgba(31, 41, 55, 0.8);
    --bg-glass-dark: rgba(17, 24, 39, 0.9);
    
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-light: #9ca3af;
    
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ریست و پایه */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'IRANYekan', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* پس‌زمینه گرادیان متحرک */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(245, 158, 11, 0.1) 0%, transparent 40%);
    z-index: -1;
    animation: bgAnimation 20s ease infinite;
}

@keyframes bgAnimation {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

/* لینک‌ها */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* تصاویر */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   کامپوننت‌های گلس‌مورفیسم
=================================== */

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.glass-card-dark {
    background: var(--bg-glass-dark);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-glass);
}

/* ===================================
   دکمه‌ها
=================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.5);
}

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

.btn-secondary {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    border: var(--glass-border);
}

.btn-secondary:hover {
    background: var(--bg-glass-dark);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-lg {
    font-size: 1.125rem;
    border-radius: var(--border-radius);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--border-radius-full);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===================================
   فرم‌ها
=================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-control.error {
    border-color: var(--error-color);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--error-color);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' 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 12px center;
    background-size: 20px;
    padding-left: 44px;
}

/* ===================================
   App Bar (هدر)
=================================== */

.app-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--app-bar-height);
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    z-index: 1000;
}

.app-bar-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-bar-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.app-bar-subscription {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass-dark);
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.app-bar-subscription i {
    color: var(--primary-color);
}

.app-bar-subscription span {
    font-weight: 600;
    color: var(--primary-color);
}

/* ===================================
   Bottom Navigation Bar
=================================== */

.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-bar-height) + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: var(--glass-border);
    z-index: 1000;
}

.bottom-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
}

.bottom-bar-item i {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.bottom-bar-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

.bottom-bar-item.active {
    color: var(--primary-color);
}

.bottom-bar-item.active i {
    transform: scale(1.2);
}

.bottom-bar-item.active::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
}

/* ===================================
   دکمه شناور (FAB)
=================================== */

.fab {
    position: fixed;
    bottom: calc(var(--bottom-bar-height) + var(--safe-area-bottom) + var(--spacing-md));
    left: var(--spacing-md);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: all var(--transition-normal);
}

.fab i {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.5);
}

.fab:active {
    transform: scale(0.95);
}

.fab.open i {
    transform: rotate(45deg);
}

/* ===================================
   صفحه محتوا
=================================== */

.page-content {
    padding-top: calc(var(--app-bar-height) + var(--spacing-md));
    padding-bottom: calc(var(--bottom-bar-height) + var(--safe-area-bottom) + var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    min-height: 100vh;
    min-height: 100dvh;
}

.page-content-full {
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
}

/* ===================================
   اسلایدر
=================================== */

.slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.slider {
    display: flex;
    transition: transform var(--transition-slow);
}

.slider-item {
    min-width: 100%;
    aspect-ratio: 16/9;
}

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-dots {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--border-radius-full);
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active {
    width: 24px;
    background: white;
}

/* ===================================
   تصاویر صفحه اصلی
=================================== */

.home-images {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.home-images-double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.home-image-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
}

.home-image-item.full-width {
    aspect-ratio: 21/9;
}

.home-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.home-image-item:hover img {
    transform: scale(1.05);
}

/* ===================================
   کارت آگهی
=================================== */

.ad-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ad-card-image {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.ad-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.ad-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ad-card-price {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

.ad-card-meta {
    font-size: 0.75rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.ad-card-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius-full);
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
}

/* ===================================
   فیلتر
=================================== */

.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.filter-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* ===================================
   صفحه نصب PWA
=================================== */

.install-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: var(--spacing-xl);
    text-align: center;
}

.install-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    color: white;
    font-size: 2.5rem;
}

.install-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.install-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.install-steps {
    width: 100%;
    max-width: 400px;
    text-align: right;
}

.install-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
}

.install-step-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass-dark);
    border-radius: var(--border-radius-sm);
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.install-step-text {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.install-dismiss-btn {
    margin-top: var(--spacing-xl);
}

/* ===================================
   Splash Screen
=================================== */

.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-animation {
    width: 200px;
    height: 200px;
}

.splash-title {
    margin-top: var(--spacing-lg);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===================================
   صفحه ورود و ثبت‌نام
=================================== */

.auth-page {
    
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 600px;
    padding: var(--spacing-xl);
}

.auth-logo {
    width: 130px;
    height: 130px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.auth-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.auth-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.auth-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-footer a {
    font-weight: 600;
}

/* ===================================
   صفحه اشتراک
=================================== */

.subscription-page {
    padding: var(--spacing-xl);
}

.subscription-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.subscription-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.subscription-subtitle {
    color: var(--text-secondary);
}

.plan-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.plan-card.selected {
    border-color: var(--primary-color);
    background: rgba(16, 185, 129, 0.05);
}

.plan-card.selected::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.plan-card.selected::after {
    content: '✓';
    position: absolute;
    top: 4px;
    right: 4px;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.plan-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.plan-price span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.plan-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   مودال
=================================== */



.modal-overlay.active {
    margin-bottom: 150px;
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    /*max-width: 400px;*/
    /*max-height: 90vh;*/
    overflow-y: auto;
    padding: var(--spacing-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass-dark);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

/* ===================================
   Toast/Alert
=================================== */

.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastIn 0.3s ease;
}

.toast.success {
    border-right: 4px solid var(--success-color);
}

.toast.error {
    border-right: 4px solid var(--error-color);
}

.toast.warning {
    border-right: 4px solid var(--warning-color);
}

.toast.info {
    border-right: 4px solid var(--info-color);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   لودینگ
=================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-glass);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===================================
   سوئیچ تم
=================================== */

.theme-toggle {
    position: relative;
    width: 60px;
    height: 32px;
    background: var(--bg-glass-dark);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    border: var(--glass-border);
    transition: background var(--transition-normal);
}

.theme-toggle::before {
    content: '☀️';
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    font-size: 14px;
}

.theme-toggle::after {
    content: '🌙';
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    font-size: 14px;
}

.theme-toggle-circle {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

[data-theme="dark"] .theme-toggle-circle {
    transform: translateX(-28px);
}

/* ===================================
   آپلود فایل
=================================== */

.file-upload {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--text-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: rgba(16, 185, 129, 0.05);
}

.file-upload input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.file-preview {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.file-preview img,
.file-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-remove {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
}

/* ===================================
   صفحه پروفایل
=================================== */

.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    position: relative;
    width: 100px;
    height: 100px;
    margin-bottom: var(--spacing-md);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-full);
    object-fit: cover;
    border: 4px solid var(--primary-color);
}

.profile-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
}

.profile-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.profile-mobile {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   Empty State
=================================== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   ریسپانسیو
=================================== */

@media (min-width: 768px) {
    .page-content {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .auth-card {
        padding: var(--spacing-xl) calc(var(--spacing-xl) * 2);
    }
    
    .ad-card-image {
        width: 120px;
        height: 120px;
    }
}

@media (min-width: 1024px) {
    .page-content {
        max-width: 800px;
    }
    
    .home-images-double {
        gap: var(--spacing-lg);
    }
}

/* ===================================
   انیمیشن‌های ورودی
=================================== */

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-normal) ease forwards;
}

.animate-slide-up {
    animation: slideUp var(--transition-normal) ease forwards;
}

.animate-slide-down {
    animation: slideDown var(--transition-normal) ease forwards;
}

.animate-scale-in {
    animation: scaleIn var(--transition-normal) ease forwards;
}

/* تاخیر انیمیشن */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ===================================
   کلاس‌های کمکی
=================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: var(--border-radius-full); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.bg-primary { background: var(--gradient-primary); }
.bg-glass { background: var(--bg-glass); }


/* ===================================
   نمایش موبایلی در دسکتاپ
   (شبیه‌سازی گوشی موبایل)
=================================== */

/* کانتینر اصلی اپلیکیشن */
.app-container {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

/* در صفحات بزرگ‌تر از موبایل */
@media (min-width: 768px) {
    /* پس‌زمینه دسکتاپ */
    body {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
        min-height: 100vh;
    }
    
    body::before {
        background: 
            radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.2) 0%, transparent 40%),
            radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.2) 0%, transparent 40%),
            radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    }
    
    /* قاب موبایل - فیکس شده بدون نیاز به اسکرول */
    .app-container {
        position: relative;
        width: 100%;
        max-width: 375px;
        height: calc(100vh - 40px);
        max-height: 812px;
        min-height: 600px;
        background: var(--bg-primary);
        border-radius: 44px;
        box-shadow: 
            0 0 0 12px #1f2937,
            0 0 0 14px #374151,
            0 25px 50px -12px rgba(0, 0, 0, 0.5),
            inset 0 0 0 2px rgba(255, 255, 255, 0.1);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    
    /* ناچ بالای گوشی */
    .app-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 120px;
        height: 28px;
        background: #1f2937;
        border-radius: 0 0 16px 16px;
        z-index: 1001;
    }
    
    /* نوار پایین گوشی */
    .app-container::after {
        content: '';
        position: absolute;
        bottom: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 134px;
        height: 5px;
        background: #374151;
        border-radius: 3px;
        z-index: 1001;
    }
    
    /* اسکرول‌بار سفارشی */
    .app-container::-webkit-scrollbar {
        width: 0;
        display: none;
    }
    
    /* تنظیم صفحات داخلی */
    .app-container > * {
        max-width: 100%;
    }
    
    /* صفحه نصب */
    .install-page {
        border-radius: 0;
        min-height: 100%;
        flex: 1;
    }
    
    /* صفحه splash */
    .splash-screen {
        border-radius: 0;
    }
    
    /* نوار پایین */
    .bottom-bar {
        position: sticky;
        border-radius: 0;
        margin: 0;
        flex-shrink: 0;
    }
    
    /* هدر */
    .app-header {
        border-radius: 0;
        flex-shrink: 0;
    }
    
    /* محتوای صفحه */
    .page-content {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
    }
}

/* تبلت‌ها */
@media (min-width: 768px) and (max-width: 1024px) {
    .app-container {
        max-width: 360px;
        height: calc(100vh - 40px);
        max-height: 720px;
    }
}

/* دسکتاپ بزرگ */
@media (min-width: 1200px) {
    body {
        padding: 40px;
    }
    
    .app-container {
        max-width: 375px;
        height: calc(100vh - 80px);
        max-height: 812px;
    }
}

/* پیام راهنما برای دسکتاپ */
.desktop-hint {
    display: none;
}

@media (min-width: 768px) {
    .desktop-hint {
        display: block;
        position: fixed;
        bottom: 20px;
        left: 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 12px 20px;
        border-radius: 12px;
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.875rem;
        z-index: 100;
        max-width: 300px;
    }
    
    .desktop-hint i {
        margin-left: 8px;
        color: var(--primary-color);
    }
}


/* ===================================
   مشخصات آگهی در کادر latestAds
=================================== */

.ad-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--glass-border);
}

.ad-spec-item {
    font-size: 0.65rem;
    color: var(--text-secondary);
    background: var(--bg-glass-dark);
    padding: 2px 6px;
    border-radius: 15px;
    white-space: nowrap;
}

.ad-spec-item strong {
    color: var(--text-primary);
    font-weight: 500;
}