:root{--bg:#f7f7f5;--panel:#fff;--ink:#1f1f1c;--muted:#6f6f68;--line:#e5e5df;--accent:#2563eb;--ok:#0f766e;--warn:#a16207;--danger:#b91c1c;--radius:12px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Sarabun,Noto Sans Thai,system-ui,sans-serif}a{color:var(--accent);text-decoration:none}.layout{grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#fbfbfa;height:100vh;padding:16px;position:sticky;top:0}.brand{margin-bottom:16px;font-weight:700}.nav{gap:6px;display:grid}.nav a{color:var(--ink);border-radius:8px;padding:8px 10px}.nav a.active,.nav a:hover{background:#efefea}.main{padding:18px}.topbar{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;display:grid}.kpi .label{color:var(--muted);font-size:13px}.kpi .value{margin-top:4px;font-size:24px;font-weight:700}.stack{gap:10px;display:grid}.row{flex-wrap:wrap;gap:8px;display:flex}input,select,textarea,button{font:inherit}input,select,textarea{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 10px}button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;padding:8px 10px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.ghost{background:0 0}.tableWrap{overflow:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;font-size:14px}.badge{background:#ececec;border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.badge.open_for_search,.badge.paid,.badge.approved{color:#166534;background:#dcfce7}.badge.overdue,.badge.rejected,.badge.closed{color:#991b1b;background:#fee2e2}.badge.partial,.badge.pending_review{color:#92400e;background:#fef3c7}.empty{color:var(--muted);font-size:14px}.toast{color:#fff;background:#111827;border-radius:8px;padding:10px 12px;position:fixed;bottom:16px;right:16px}.home{max-width:860px;margin:40px auto}.hero{border:1px solid var(--line);background:linear-gradient(160deg,#fff,#f1f5f9);border-radius:16px;padding:24px}@media (width<=900px){.layout{grid-template-columns:1fr}.sidebar{height:auto;position:static}}