/* The Overnight Index - Bloomberg Terminal meets Hacker News */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --accent-green: #00ff00;
    --accent-orange: #ff8c00;
    --accent-red: #ff4444;
    --accent-blue: #0099ff;
    --border-color: #333333;
    --hover-bg: #333333;
}

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

body {
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

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

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--accent-green);
    padding: 40px 0;
    text-align: center;
}

.headline {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-green);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: normal;
}

.tagline {
    font-size: 1rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Main content */
main {
    padding: 60px 0;
}

section {
    margin-bottom: 80px;
}

h3 {
    color: var(--accent-orange);
    font-size: 1.4rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

h4 {
    color: var(--accent-blue);
    font-size: 1.1rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.7;
}

/* Metrics Grid - Bloomberg style */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    border-left: 3px solid var(--accent-green);
}

.metric-value {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--accent-green);
    font-family: 'Courier New', monospace;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Report List - Hacker News style */
.report-list {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.report-item {
    border-bottom: 1px solid var(--border-color);
}

.report-item:last-child {
    border-bottom: none;
}

.report-link {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: background-color 0.2s ease;
}

.report-link:hover {
    background-color: var(--hover-bg);
}

.report-date {
    color: var(--accent-orange);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    margin-right: 20px;
}

.report-summary {
    color: var(--text-muted);
}

/* Signup Form */
.signup-form {
    display: flex;
    gap: 10px;
    max-width: 400px;
    margin: 20px 0;
}

.signup-form input {
    flex: 1;
    padding: 12px 15px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.signup-form input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.signup-form button {
    padding: 12px 20px;
    background-color: var(--accent-green);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.2s ease;
}

.signup-form button:hover {
    background-color: #00cc00;
}

.signup-message {
    margin-top: 15px;
    display: none;
}

.signup-message .success {
    color: var(--accent-green);
}

/* Methodology Grid */
.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.method-item {
    background-color: var(--bg-secondary);
    padding: 25px;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-blue);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .headline {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .metric-value {
        font-size: 1.8rem;
    }
    
    .signup-form {
        flex-direction: column;
    }
    
    .method-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Data table styling for reports */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: var(--bg-secondary);
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--bg-tertiary);
    color: var(--accent-orange);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.data-table td {
    color: var(--text-secondary);
}

.data-table .numeric {
    font-family: 'Courier New', monospace;
    text-align: right;
}

.data-table .status-up {
    color: var(--accent-green);
}

.data-table .status-down {
    color: var(--accent-red);
}

/* Score indicators */
.score-high {
    color: var(--accent-green);
    font-weight: bold;
}

.score-medium {
    color: var(--accent-orange);
    font-weight: bold;
}

.score-low {
    color: var(--accent-red);
    font-weight: bold;
}