:root {
    --bg-dark: #0d1117;
    --panel-bg: #161b22;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --success: #2ea043;
    --warning: #d29922;
    --danger: #f85149;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-mono);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.container {
    max-width: 800px;
    width: 100%;
}

header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

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

h1 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.input-section {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--accent);
    font-size: 0.9rem;
}

input {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

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

.btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: var(--font-mono);
    border-radius: 4px;
    transition: all 0.2s;
}

.btn:hover:not(:disabled) {
    border-color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
}

.primary-btn {
    border-color: var(--accent);
    color: var(--accent);
}

.primary-btn:hover:not(:disabled) {
    background: rgba(88, 166, 255, 0.1);
}

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

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.score-value {
    font-size: 1.4rem;
    font-weight: bold;
}

.text-success {
    color: var(--success);
}

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

.text-danger {
    color: var(--danger);
}

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

.payload-section h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #fff;
}

.console-output {
    background: #000;
    padding: 1rem;
    border: 1px solid #333;
    border-radius: 4px;
    margin-top: 1rem;
    color: var(--success);
    word-break: break-all;
    min-height: 60px;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}