:root {
    --bg-main: #0d1117;
    --bg-alt: #161b22;
    --bg-panel: #21262d;
    --text-primary: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --border-color: #30363d;
    --item-bg: #8a2be2;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

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

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.site-header {
    background-color: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.main-nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.section-header {
    text-align: center;
    margin: 3rem 0 2rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0.5rem auto 0;
}

.simulator-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    align-items: start;
}

@media(max-width: 800px) {
    .simulator-grid {
        grid-template-columns: 1fr;
    }
}

.controls-panel {
    background-color: var(--bg-panel);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.control-group {
    margin-bottom: 1.25rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.control-group input[type="range"] {
    width: 100%;
    cursor: pointer;
}

.control-group select {
    width: 100%;
    padding: 0.5rem;
    background: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.preview-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.layout-output {
    background-color: var(--bg-alt);
    border: 1px dashed var(--border-color);
    min-height: 350px;
    border-radius: 8px;
    padding: 1rem;
    resize: both;
    overflow: auto;
}

.layout-item {
    background-color: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    border-radius: 4px;
    min-height: 60px;
}

.code-output {
    background-color: #000;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.code-output header {
    background-color: var(--bg-panel);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.code-output pre {
    padding: 1rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #79c0ff;
}

.content-section {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
}

.content-section h2 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.content-section p {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.bg-alt {
    background-color: var(--bg-alt);
}

.site-footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.footer-links {
    list-style: none;
    display: inline-flex;
    gap: 1.5rem;
    margin-top: 1rem;
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}