:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-input: #1c2128;
  --border: #30363d;
  --text-main: #e6edf3;
  --text-muted: #7d8590;
  --primary: #4493f8;
  --radius: 10px;
  --safe: #38a169;
  --caution: #d4a847;
  --avoid: #e05252;
}

[data-theme="light"] {
  --bg: #f6f8fa;
  --bg-card: #ffffff;
  --bg-input: #f0f2f5;
  --border: #d0d7de;
  --text-main: #1f2328;
  --text-muted: #656d76;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 15px; line-height: 1.6; padding: 1.5rem 1rem 3rem; }
.tool-wrapper { max-width: 660px; margin: 0 auto; }

.tool-header { text-align: center; margin-bottom: 2rem; }
.tool-header__badge { display: inline-flex; align-items: center; gap: 0.4rem; background: rgba(68,147,248,0.1); border: 1px solid rgba(68,147,248,0.3); color: var(--primary); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.8rem; border-radius: 20px; margin-bottom: 1rem; }
.tool-header h1 { font-size: 1.6rem; font-weight: 800; color: var(--text-main); margin-bottom: 0.5rem; }
.tool-header p { color: var(--text-muted); max-width: 520px; margin: 0 auto; font-size: 0.9rem; }

.select-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.25rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .form-grid { grid-template-columns: 1fr; } }
.form-field label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.4rem; }
.input-field { width: 100%; background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px; color: var(--text-main); font-size: 0.9rem; padding: 0.55rem 0.75rem; transition: border-color 0.15s; }
.input-field:focus { outline: none; border-color: var(--primary); }

/* Result card */
.result-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }

.safety-banner { display: flex; align-items: center; gap: 1rem; padding: 1.25rem 1.5rem; }
.safety-banner.level-safe    { background: rgba(56,161,105,0.1);  border-bottom: 3px solid var(--safe); }
.safety-banner.level-caution { background: rgba(212,168,71,0.1);  border-bottom: 3px solid var(--caution); }
.safety-banner.level-avoid   { background: rgba(224,82,82,0.1);   border-bottom: 3px solid var(--avoid); }
.safety-icon { font-size: 2.2rem; }
.safety-label { font-size: 1.15rem; font-weight: 800; }
.safety-label.level-safe    { color: var(--safe); }
.safety-label.level-caution { color: var(--caution); }
.safety-label.level-avoid   { color: var(--avoid); }
.safety-sub { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.15rem; }

.result-section { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
.result-section:last-child { border-bottom: none; }
.result-section-title { font-size: 0.77rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.6rem; }
.result-body { font-size: 0.87rem; color: var(--text-muted); line-height: 1.65; }
.result-body a { color: var(--primary); }
.risk-list { padding-left: 1.2rem; }
.risk-list li { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.35rem; }

.disclaimer { background: var(--bg-card); border: 1px solid var(--border); border-top: 3px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; font-size: 0.8rem; color: var(--text-muted); margin-top: 1.5rem; }
.disclaimer strong { color: var(--text-main); }