:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --border: #334155;
    --md-color: #f59e0b;
    --ad-color: #ef4444;
    --lx-color: #10b981;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header, footer {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
}

header .container, footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer {
    border-top: 1px solid var(--border);
    border-bottom: none;
    margin-top: 4rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--text);
}

section {
    margin-top: 4rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.hero p {
    font-size: 1.125rem;
    max-width: 700px;
}

/* Form Styles */
.tool-section {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.checkbox-group {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.3rem;
    margin-right: 0.75rem;
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--primary);
}

.checkbox-group label {
    cursor: pointer;
    user-select: none;
}

/* Results */
.result-box {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.result-box.hidden {
    display: none;
}

.score-bar {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.score-bar .label {
    width: 100px;
    font-weight: 600;
    font-size: 0.875rem;
}

.score-bar .bar {
    flex-grow: 1;
    height: 8px;
    background-color: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.score-bar .bar span {
    display: block;
    height: 100%;
    transition: width 0.3s ease;
}

#score-md { background-color: var(--md-color); }
#score-ad { background-color: var(--ad-color); }
#score-lx { background-color: var(--lx-color); }

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.card h3 {
    color: var(--primary);
}

.card strong {
    display: block;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text);
}

@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    header .container, footer .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    nav a {
        margin: 0 0.75rem;
    }
}


/* 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;
}