:root{
  --bg:#ffffff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e5e7eb;
  --shadow: 0 10px 30px rgba(2,6,23,.06);
  --radius: 16px;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, "Noto Sans TC", sans-serif;
}
.wrap{
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 18px 40px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom: 18px;
}
.brand{ display:flex; gap:12px; align-items:center; }
.logo{
  width:44px; height:44px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  font-weight:800;
}
.title h1{ margin:0; font-size: 22px; }
.sub{ margin:4px 0 0; color:var(--muted); font-size: 13px; }

.nav{ display:flex; gap:10px; }
.navlink{
  text-decoration:none;
  color:var(--text);
  border:1px solid var(--line);
  padding:10px 12px;
  border-radius: 12px;
  background:#fff;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin: 14px 0;
}

h2{ margin: 0 0 12px; font-size: 16px; }
h3{ margin: 0 0 8px; font-size: 14px; }

.grid{
  display:grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap:12px;
}
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size: 12px; color: var(--muted); }
.field input{
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
  outline:none;
  background:#fff;
}
.field.row{ grid-column: 1 / -1; }

.chk{ display:flex; align-items:center; gap:10px; }

.actions{
  margin-top: 12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.btn{
  border:1px solid #1d4ed8;
  background:#1d4ed8;
  color:#fff;
  padding: 10px 14px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 650;
}
.btn.ghost{
  background:#fff;
  color:#1d4ed8;
}

.status{ color: var(--muted); font-size: 13px; }
.status.ok{ color:#16a34a; }
.status.bad{ color:#dc2626; }

.metrics{
  display:grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap:12px;
}
.metric{
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background:#fff;
}
.metric .k{ color:var(--muted); font-size: 12px; }
.metric .v{ font-size: 18px; font-weight: 800; margin-top: 4px; }

.divider{
  height:1px;
  background: var(--line);
  margin: 14px 0;
}

.note{
  margin-top: 12px;
  border: 1px solid #fed7aa;
  background:#fff7ed;
  color:#9a3412;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
}

.rowhead{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom: 10px;
}
.small{ color:var(--muted); font-size: 13px; }

.viewer{
  display:grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
  align-items:start;
}

.canvasBox{
  border:1px dashed var(--line);
  border-radius: 14px;
  padding: 10px;
  background:#fff;
  overflow:hidden;
}
canvas{ width:100%; height:auto; display:block; }

.pre{
  margin:0;
  padding: 12px;
  border-radius: 14px;
  background:#0b1220;
  color:#e5e7eb;
  border:1px solid #111827;
  max-height: 520px;
  overflow:auto;
  font-size: 12px;
}

.foot{
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

/* RWD */
@media (max-width: 1100px){
  .grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .metrics{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .viewer{ grid-template-columns: 1fr; }
}