/* ================================================
   StockTicker.net - Main Stylesheet
   Professional Financial Dashboard Theme
   ================================================ */

/* ---- CSS Variables (Extended) ---- */
:root {
    /* Colors */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2235;
    --bg-hover: #242f45;
    
    --accent: #00d4aa;
    --accent-dim: #00a88a;
    --accent-glow: rgba(0, 212, 170, 0.2);
    
    --text-primary: #f0f4f8;
    --text-secondary: #8892a4;
    --text-muted: #5a6478;
    
    --border: #1e293b;
    --border-light: #2d3a4f;
    
    --positive: #00d4aa;
    --positive-bg: rgba(0, 212, 170, 0.15);
    --negative: #ff4757;
    --negative-bg: rgba(255, 71, 87, 0.15);
    --warning: #ffc107;
    --warning-bg: rgba(255, 193, 7, 0.15);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', Consolas, monospace;
    
    /* Effects */
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --transition: 0.2s ease;
}

/* ---- Base Reset ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    background: var(--bg-primary);
    color: var(--text-primary);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-dim);
}

/* ---- Loading Screen ---- */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ---- Header ---- */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--bg-primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--accent);
}

/* ---- Search ---- */
.search-container {
    flex: 1;
    max-width: 480px;
    position: relative;
}

.search-box {
    display: flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    border: none;
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
}

.search-btn:hover {
    background: var(--accent-dim);
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 4px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow-lg);
    z-index: 200;
}

.search-suggestions.active {
    display: block;
}

.suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--transition);
}

.suggestion-item:hover {
    background: var(--bg-tertiary);
}

.suggestion-symbol {
    font-weight: 600;
    color: var(--text-primary);
}

.suggestion-name {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---- Navigation ---- */
.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem;
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--accent);
}

/* ---- Main Content ---- */
main {
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl);
    width: 100%;
}

/* ---- Ticker Header ---- */
.ticker-header {
    margin-bottom: var(--space-lg);
}

.ticker-symbol {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ticker-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ticker-name {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.25rem;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.current-price {
    font-size: 2.75rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.price-change {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
}

.price-change.positive {
    background: var(--positive-bg);
    color: var(--positive);
}

.price-change.negative {
    background: var(--negative-bg);
    color: var(--negative);
}

/* ---- Grid Layout ---- */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-lg);
}

/* ---- Cards ---- */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.25rem;
}

/* ---- Chart ---- */
.chart-container {
    height: 500px;
    background: var(--bg-primary);
}

.chart-controls {
    display: flex;
    gap: 0.25rem;
}

.chart-btn {
    padding: 0.35rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.chart-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.chart-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

/* ---- Statistics Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat-item {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.stat-item:hover {
    background: var(--bg-hover);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

/* ---- News List ---- */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), background var(--transition);
    display: block;
}

.news-item:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}

.news-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.news-title {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-primary);
}

.news-source {
    font-size: 0.75rem;
    color: var(--accent);
    margin-top: 0.5rem;
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-xl);
    margin-top: auto;
}

.footer-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-link:hover {
    color: var(--accent);
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---- TradingView Widget Overrides ---- */
.tradingview-widget-container {
    height: 100% !important;
}

/* ---- Widgets Row ---- */
.widgets-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

/* ---- Page Layouts (About, Contact, etc.) ---- */
.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.page-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.page-content h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: var(--space-xl) 0 var(--space-md);
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content p {
    margin-bottom: var(--space-md);
}

.page-content ul,
.page-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.page-content li {
    margin-bottom: var(--space-sm);
}

.page-content a {
    color: var(--accent);
}

/* ---- Contact Form ---- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    padding: 1rem 2rem;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: var(--bg-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    align-self: flex-start;
}

.form-submit:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
}

/* ---- Error State ---- */
.error-container {
    text-align: center;
    padding: var(--space-2xl);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.error-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.error-message {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* ---- Responsive Design ---- */
@media (max-width: 1024px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .chart-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .header {
        padding: var(--space-md);
    }
    
    main {
        padding: var(--space-md);
    }
    
    .page-container {
        padding: var(--space-lg) var(--space-md);
    }
}

@media (max-width: 640px) {
    .header-inner {
        flex-wrap: wrap;
    }
    
    .search-container {
        order: 3;
        max-width: 100%;
        width: 100%;
        margin-top: var(--space-sm);
    }
    
    .ticker-symbol {
        font-size: 1.75rem;
    }
    
    .current-price {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-controls {
        flex-wrap: wrap;
    }
    
    .footer-links {
        gap: 1rem;
    }
}

/* ---- Utilities ---- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.text-positive { color: var(--positive); }
.text-negative { color: var(--negative); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }

/* ---- Print Styles ---- */
@media print {
    .header,
    .footer,
    .search-container,
    .chart-controls {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}