/* ============================================
   Base Styles
   Variables, Reset, Grid, Utilities
   ============================================ */

:root {
    /* Color Palette */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-hover: #1f2c4a;

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;

    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    --success: #00d26a;
    --success-bg: rgba(0, 210, 106, 0.1);
    --danger: #ff4757;
    --danger-bg: rgba(255, 71, 87, 0.1);
    --warning: #ffa502;
    --warning-bg: rgba(255, 165, 2, 0.1);

    --border-color: #2d2d44;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);

    /* Sizing */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions */
    --transition: all 0.3s ease;
    --ease-out: cubic-bezier(.16, 1, .3, 1);
}

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

html {
    overflow-y: scroll;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   Route Page Visibility
   ============================================ */

body[data-page="compare"] #compare-view {
    display: block !important;
}

body[data-page="compare"] #main-content,
body[data-page="compare"] #stocks-view,
body[data-page="compare"] #influencer-view,
body[data-page="compare"] #loading,
body[data-page="compare"] #warning-banner {
    display: none !important;
}

body[data-page="top-picks"] #stocks-view {
    display: block !important;
}

body[data-page="top-picks"] #main-content,
body[data-page="top-picks"] #compare-view,
body[data-page="top-picks"] #influencer-view,
body[data-page="top-picks"] #loading,
body[data-page="top-picks"] #warning-banner {
    display: none !important;
}

body:not([data-page]) #main-content {
    display: block;
}

/* ============================================
   Grid System
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 1200px) {

    .grid-5,
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {

    .grid-5,
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {

    .grid-5,
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid {
        gap: 14px;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.bg-success {
    background: var(--success-bg) !important;
}

.bg-danger {
    background: var(--danger-bg) !important;
}

.font-bold {
    font-weight: 700;
}

.font-mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mt-3 {
    margin-top: 24px;
}

.mb-1 {
    margin-bottom: 8px;
}

.mb-2 {
    margin-bottom: 16px;
}

.mb-3 {
    margin-bottom: 24px;
}

.hidden {
    display: none !important;
}

/* ============================================
   Mobile Utility Enhancements
   ============================================ */

/* Prevent horizontal overflow on mobile */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Better touch targets for mobile */
@media (max-width: 768px) {
    button, 
    a, 
    select, 
    input[type="text"], 
    input[type="date"],
    .tab,
    .autocomplete-item {
        min-height: 44px;
    }
    
    .mb-3 {
        margin-bottom: 18px;
    }
    
    .mt-3 {
        margin-top: 18px;
    }
}

@media (max-width: 520px) {
    .mb-3 {
        margin-bottom: 14px;
    }
    
    .mt-3 {
        margin-top: 14px;
    }
    
    .mb-2 {
        margin-bottom: 12px;
    }
    
    .mt-2 {
        margin-top: 12px;
    }
}

/* Smooth scrolling for better UX */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Better text rendering on mobile */
@media (max-width: 768px) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
}