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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-green: #3fb950;
    --accent-cyan: #58a6ff;
    --accent-purple: #a371f7;
    --accent-orange: #d29922;
    --accent-red: #f85149;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 32px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.2s;
}

.github-link:hover {
    color: var(--text-primary);
    border-color: var(--accent-cyan);
    background: var(--bg-secondary);
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

/* Terminal */
.terminal-section {
    width: 100%;
}

.terminal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ff5f56; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #27ca40; }

.terminal-title {
    flex: 1;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    font-family: var(--font-mono);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    min-height: 120px;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompt-symbol {
    color: var(--accent-green);
    font-weight: bold;
}

.query-text {
    color: var(--text-primary);
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 18px;
    background: var(--accent-cyan);
    animation: blink 1s step-end infinite;
}

.cursor.hidden {
    display: none;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.terminal-output {
    margin-top: 12px;
    color: var(--text-secondary);
}

.terminal-output .output-line {
    margin: 4px 0;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

.terminal-output .output-line.success {
    color: var(--accent-green);
}

.terminal-output .output-line.info {
    color: var(--accent-cyan);
}

.terminal-output .output-line.warning {
    color: var(--accent-orange);
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Pipeline */
.pipeline-section {
    width: 100%;
}

.pipeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.pipeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    min-width: 100px;
    transition: all 0.3s;
    position: relative;
}

.pipeline-node.active {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
}

.pipeline-node.complete {
    border-color: var(--accent-green);
}

.pipeline-node.complete .node-status::after {
    content: '✓';
    color: var(--accent-green);
    font-size: 16px;
    font-weight: bold;
}

.node-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.node-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.node-status {
    height: 20px;
    margin-top: 8px;
}

.node-output {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--accent-cyan);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
    font-family: var(--font-mono);
}

.pipeline-node.active .node-output,
.pipeline-node.complete .node-output {
    opacity: 1;
}

.pipeline-arrow {
    color: var(--text-muted);
    font-size: 24px;
    padding-top: 20px;
}

/* Loading spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Report */
.report-section {
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s;
}

.report-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.report-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    max-height: 500px;
    overflow-y: auto;
}

.report-content {
    font-size: 14px;
    line-height: 1.7;
}

.report-content h1 {
    font-size: 24px;
    color: var(--accent-cyan);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.report-content h2 {
    font-size: 18px;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

.report-content h3 {
    font-size: 15px;
    color: var(--accent-purple);
    margin: 16px 0 8px;
}

.report-content p {
    color: var(--text-secondary);
    margin: 8px 0;
}

.report-content ul, .report-content ol {
    margin: 8px 0;
    padding-left: 24px;
    color: var(--text-secondary);
}

.report-content li {
    margin: 4px 0;
}

.report-content strong {
    color: var(--text-primary);
}

.report-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.report-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

.report-content blockquote {
    border-left: 3px solid var(--accent-cyan);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* Demo Selector */
.demo-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 0;
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.demo-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.demo-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.demo-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.demo-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
    font-weight: 600;
}

.demo-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .logo h1 {
        font-size: 20px;
    }

    .pipeline {
        gap: 4px;
    }

    .pipeline-node {
        min-width: 70px;
        padding: 12px;
    }

    .pipeline-arrow {
        font-size: 18px;
    }

    .node-output {
        display: none;
    }

    .demo-selector {
        flex-direction: column;
    }
}