/* Stock Market Directory - Professional CSS Styling */
/* Modern design with dark theme and financial styling */

:root {
    /* Financial Theme Color Scheme */
    --primary-bg: #0d1421;
    --secondary-bg: #1a2332;
    --accent-bg: #243447;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #8892a0;
    
    /* Financial Colors */
    --green: #00d084;
    --red: #ff4757;
    --yellow: #ffa502;
    --blue: #3742fa;
    --purple: #5f27cd;
    
    /* Chart Colors */
    --chart-green: #26de81;
    --chart-red: #fc5c65;
    --chart-blue: #45aaf2;
    --chart-orange: #fd9644;
    
    /* UI Colors */
    --border-color: #2d3748;
    --border-light: #4a5568;
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    padding: 1rem 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--blue);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Container */
.stock-search-container {
    max-width: 500px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#stock-symbol {
    flex: 1;
    padding: 0.75rem 1rem;
    background-color: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

#stock-symbol::placeholder {
    color: var(--text-muted);
}

.search-button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.search-suggestions {
    background-color: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

/* Chart Section */
.chart-display {
    padding: 3rem 0;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

#chart-title {
    font-size: 1.8rem;
    color: var(--text-primary);
}

#time-range {
    padding: 0.5rem 1rem;
    background-color: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
}

/* Price Display */
.price-display {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.current-price {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.price-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.price-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.price-change {
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
}

.price-change.positive {
    color: var(--green);
    background-color: rgba(0, 208, 132, 0.1);
}

.price-change.negative {
    color: var(--red);
    background-color: rgba(255, 71, 87, 0.1);
}

.market-status {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.market-status.open {
    color: var(--green);
}

/* Chart Container */
.chart-container {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    height: 400px;
    position: relative;
}

#stock-chart {
    width: 100% !important;
    height: 100% !important;
}

/* Stock Info */
.stock-info {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 1.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--accent-bg);
    border-radius: 8px;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-value {
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Market Overview */
.market-overview {
    padding: 3rem 0;
    background-color: var(--secondary-bg);
}

.market-overview h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.market-indices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.index-card {
    background-color: var(--accent-bg);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.index-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.index-card h3 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.index-price {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.index-change {
    font-size: 1rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    display: inline-block;
}

.index-change.positive {
    color: var(--green);
    background-color: rgba(0, 208, 132, 0.1);
}

.index-change.negative {
    color: var(--red);
    background-color: rgba(255, 71, 87, 0.1);
}

/* Footer */
footer {
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}

footer p {
    margin-bottom: 0.5rem;
}

/* Loading States */
.loading {
    opacity: 0.5;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Error States */
.error {
    color: var(--red);
    background-color: rgba(255, 71, 87, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--red);
    margin: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .chart-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .price-display {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .chart-container {
        height: 300px;
    }
    
    nav .container {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.hidden { display: none; }
.visible { display: block; }

/* Focus States for Accessibility */
button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}