/* ============================================
   MOBILE APP - Base Styles & Variables
   ============================================ */

/* CSS Variables */
:root {
    --mobile-primary: #0F62FE;
    --mobile-text-primary: #1f2937;
    --mobile-text-secondary: #6b7280;
    --mobile-border: #e5e7eb;
    --mobile-background: #fefefe;
    --mobile-surface: #f9fafb;
    --mobile-success: #10b981;
    --mobile-error: #ef4444;
    --mobile-warning: #f59e0b;
    
    --mobile-space-xs: 4px;
    --mobile-space-sm: 8px;
    --mobile-space-md: 16px;
    --mobile-space-lg: 24px;
    --mobile-space-xl: 32px;
    
    --mobile-text-xs: 0.75rem;
    --mobile-text-sm: 0.875rem;
    --mobile-text-base: 1rem;
    --mobile-text-lg: 1.125rem;
    --mobile-text-xl: 1.25rem;
    --mobile-text-2xl: 1.5rem;
    
    --mobile-radius-sm: 6px;
    --mobile-radius-md: 8px;
    --mobile-radius-lg: 12px;
    
    --mobile-z-sticky: 100;
    --mobile-z-fixed: 200;
    --mobile-z-modal: 300;
    
    --mobile-transition-base: all 0.2s ease;
}

/* CRITICAL: Ensure body and html are properly sized for mobile */
html.mobile-app,
body.mobile-app {
    width: 100%;
    max-width: 100vw;
    height: 100%;
    max-height: 100vh;
    max-height: 100dvh; /* Dynamic viewport height for mobile */
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Ensure desktop AI agent widget is visible when NOT in mobile app */
body:not(.mobile-app) .ai-agent-widget {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Ensure widget is visible on mobile browsers (responsive) */
@media (max-width: 768px) {
    body:not(.mobile-app) .ai-agent-widget {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 99999 !important;
    }
}

/* Mobile App Detection */
.mobile-app {
    padding-bottom: 80px;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    max-height: 100vh;
    max-height: 100dvh;
    width: 100%;
    max-width: 100vw;
    background: var(--mobile-background);
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Hide desktop elements in mobile app */
.mobile-app .ai-agent-widget {
    display: none !important;
}

.mobile-app .navbar-dark {
    display: none !important;
}

.mobile-app .footer-dark {
    display: none !important;
}

.mobile-app .main-content-dark .section:not(.mobile-stocks-container) {
    display: none !important;
}

.mobile-app .main-content-dark .header-section-dark {
    display: none !important;
}

.mobile-app .main-content-dark .premium-banner {
    display: none !important;
}

.mobile-app .main-content-dark #bestStocksSection {
    display: none !important;
}

.mobile-app .main-content-dark .stocks-table {
    display: none !important;
}

.mobile-app .main-content-dark .table-container {
    display: none !important;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f4f6;
    border-top-color: var(--mobile-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Empty State */
.empty-state {
    padding: var(--mobile-space-xl) var(--mobile-space-md);
    text-align: center;
    color: var(--mobile-text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--mobile-space-md);
}

.empty-state-title {
    font-size: var(--mobile-text-lg);
    font-weight: 600;
    color: var(--mobile-text-primary);
    margin-bottom: var(--mobile-space-sm);
}

.empty-state-message {
    font-size: var(--mobile-text-sm);
    color: var(--mobile-text-secondary);
}

/* Mobile Login Button */
.mobile-login-btn {
    padding: 12px 24px;
    background: var(--mobile-primary);
    color: white;
    border: none;
    border-radius: var(--mobile-radius-lg);
    font-size: var(--mobile-text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--mobile-transition-base);
}

.mobile-login-btn:active {
    transform: scale(0.95);
    opacity: 0.9;
}

.mobile-login-btn:hover {
    background: #0052d9;
}