:root{--brand-primary: #1e6f9f;--brand-secondary: #0ea5e9;--brand-accent: #22c55e;--brand-warning: #f59e0b;--brand-danger: #ef4444;--surface: #ffffff;--background: #f7f7fb;--text-strong: #0f172a;--text-muted: #64748b;--radius: 12px}html,body{height:100%}body{background:var(--background);color:var(--text-strong)}.card{border-radius:var(--radius)}.btn{border-radius:10px}.btn-primary{background-color:var(--brand-primary);border-color:var(--brand-primary)}.btn-primary:hover{background-color:#185a80;border-color:#185a80}.btn-success{background-color:var(--brand-accent);border-color:var(--brand-accent)}.btn-outline-primary{color:var(--brand-primary);border-color:var(--brand-primary)}.btn-outline-primary:hover{background-color:var(--brand-primary);border-color:var(--brand-primary)}.badge-primary{background-color:var(--brand-primary)}.form-control,.form-select{border-radius:10px}.section-title{font-weight:600}.subtle{color:var(--text-muted)}.hero{background:linear-gradient(135deg,#0ea5e91a,#22c55e1a);border:1px solid rgba(14,165,233,.15);border-radius:var(--radius)}.navbar-dark{background:#0b1324}.navbar-brand i{color:var(--brand-secondary)}.shadow-soft{box-shadow:0 .5rem 1rem #0000000d}@media (max-width: 576px){.container{padding-left:1rem;padding-right:1rem}}markdown h1{font-size:28px;font-weight:700;color:#263238;margin-bottom:16px}markdown h2{font-size:22px;font-weight:600;color:#1565c0;margin:24px 0 12px}markdown h3{font-size:18px;font-weight:600;color:#37474f;margin:20px 0 8px}markdown p{font-size:16px;line-height:1.6;color:#555;margin-bottom:12px}markdown ul,markdown ol{margin-left:20px}markdown li{margin-bottom:6px}