:root{--background:#f6f8fb;--surface:#ffffff;--surface-soft:#f8fafc;--border:#e5e7eb;--border-strong:#d1d5db;--text:#111827;--muted:#6b7280;--primary:#2563eb;--primary-dark:#1d4ed8;--success:#15803d;--success-bg:#dcfce7;--warning:#b45309;--warning-bg:#fef3c7;--danger:#b91c1c;--danger-bg:#fee2e2;--neutral:#4b5563;--neutral-bg:#f3f4f6;--shadow:0 10px 25px rgba(15,23,42,0.06)}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:var(--background);color:var(--text);font-family:Noto Sans Thai,Sarabun,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.page{display:grid;grid-gap:20px;gap:20px}.page-header{align-items:flex-start;display:flex;gap:16px;justify-content:space-between}.page-title{margin:0;font-size:26px;font-weight:700}.page-description{color:var(--muted);margin:6px 0 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