:root {
    --bg-color: #f7f9fa;
    --surface-color: #ffffff;
    --text-main: #1a1e23;
    --text-muted: #5e6b77;
    --primary: #2d5a9e;
    --primary-hover: #1e3f73;
    --border: #e1e8ed;
    --script-bg: #fff;
    --guide-color: rgba(255, 0, 0, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 3rem;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

.site-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.auto-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-area h1 {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

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

.main-nav a {
    text-decoration: none;
    color: var(--text-main);
    margin-left: 1rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.main-nav a:hover {
    color: var(--primary);
}

.card {
    background: var(--surface-color);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.section-head { margin-bottom: 1.5rem; }
.section-head h2 { margin-bottom: 0.5rem; }

.btn {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}
.btn:hover { background: var(--primary-hover); }
.btn.outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}
.btn.outline:hover { background: var(--bg-color); }

.auditor-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.auditor-controls select {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.split-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.panel h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.script-page {
    font-family: "Courier Prime", "Courier New", Courier, monospace;
    font-size: 14px;
    line-height: 1.3;
    background: var(--script-bg);
    border: 1px solid #ccc;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.05);
    padding: 1.5rem;
    height: 300px;
    overflow-y: auto;
    width: 100%;
    resize: none;
    position: relative;
}

/* Visual Guides */
.show-guides .script-page {
    background-image: linear-gradient(90deg, transparent 15%, var(--guide-color) 15%, var(--guide-color) 15.2%, transparent 15.2%, transparent 25%, var(--guide-color) 25%, var(--guide-color) 25.2%, transparent 25.2%);
}

.reference-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}
.reference-table th, .reference-table td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.reference-table th {
    background: var(--bg-color);
}

.estimator-box { display: flex; gap: 1.5rem; align-items: flex-end; flex-wrap: wrap; }
.flex-group { display: flex; flex-direction: column; gap: 0.25rem; }
.flex-group input, .flex-group select { padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; }
.result-box { padding: 0.5rem 1rem; background: var(--bg-color); border-radius: 4px; font-size: 1.1rem; }

.task-list { list-style: none; margin: 1rem 0 2rem; }
.task-list li { margin-bottom: 0.75rem; }
.task-list label { cursor: pointer; display: flex; align-items: flex-start; gap: 0.5rem; }

.site-footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}
.footer-nav { margin-top: 1rem; display: flex; justify-content: center; gap: 1rem; }
.footer-nav a { color: var(--text-muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text-main); }

@media (max-width: 768px) {
    .split-panel { grid-template-columns: 1fr; }
}



/* 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;
}