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

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #252525;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #3dd68c;
    --accent-hover: #2fc579;
    --border: #333333;
}

body {
    font-family: 'IBM Plex Mono', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

main {
    display: grid;
    gap: 2rem;
}

.input-section {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

textarea {
    width: 100%;
    padding: 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 6px;
    resize: vertical;
    min-height: 200px;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--accent);
}

textarea::placeholder {
    color: var(--text-secondary);
}

.analyze-btn,
.clear-btn {
    padding: 0.75rem 2rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 1rem;
    margin-right: 1rem;
}

.analyze-btn {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.analyze-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.analyze-btn:active {
    transform: translateY(0);
}

.clear-btn {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

.results-section {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: none;
}

.results-section.active {
    display: block;
}

.results-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.metric-card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.metric-card h3 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.metric-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.additional-stats {
    margin-top: 2rem;
}

.additional-stats h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.stat-item {
    background-color: var(--bg-card);
    padding: 1rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem 0.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    .input-section,
    .results-section {
        padding: 1.5rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}