:root {
  --bg: #0e1320;
  --bg-2: #151c2e;
  --panel: #1a2233;
  --panel-2: #212b40;
  --line: #2c374f;
  --text: #e8edf7;
  --muted: #98a4bd;
  --faint: #6c7790;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.15);
  --good: #36c98f;
  --warn: #f4a83a;
  --danger: #f0596a;
  --expand: #57b8ff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(14, 19, 32, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 28px; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }
.brand-sub { font-size: 12px; color: var(--faint); letter-spacing: 1px; }
.topbar-tag {
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--panel);
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  padding-top: 26px;
  padding-bottom: 40px;
  align-items: start;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-panel { padding: 24px; }
.result-panel { padding: 22px; position: sticky; top: 78px; }

.panel-head h1 { font-size: 22px; margin: 0 0 8px; line-height: 1.3; }
.lede { color: var(--muted); font-size: 14px; margin: 0 0 18px; }

/* Presets */
.preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.preset-label { font-size: 13px; color: var(--faint); margin-right: 2px; }
.preset-btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: border-color 0.15s, transform 0.05s;
}
.preset-btn:hover { border-color: var(--accent); }
.preset-btn:active { transform: translateY(1px); }
.preset-btn b { display: block; font-size: 13px; }
.preset-btn span { display: block; font-size: 11px; color: var(--faint); }

/* Customer name */
.cust-name { display: block; margin-bottom: 20px; }
.cust-name span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.cust-name input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 14px;
}
.cust-name input:focus { outline: none; border-color: var(--accent); }

/* Questions */
.dim-group { margin-bottom: 22px; }
.dim-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}
.dim-group-title { font-size: 15px; font-weight: 700; }
.dim-group-title em { font-style: normal; color: var(--faint); font-weight: 400; font-size: 12px; margin-left: 8px; }
.dim-group-weight { font-size: 11.5px; color: var(--faint); }

.q { margin-bottom: 14px; }
.q-label { font-size: 13.5px; color: var(--muted); margin-bottom: 7px; }
.opts { display: flex; flex-wrap: wrap; gap: 7px; }
.opt {
  position: relative;
}
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--muted);
  border-radius: 9px;
  padding: 7px 11px;
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.13s;
}
.opt span:hover { border-color: var(--accent); color: var(--text); }
.opt input:checked + span {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.opt.is-critical input:checked + span {
  background: rgba(240, 89, 106, 0.16);
  border-color: var(--danger);
  color: #ffd5da;
}

/* Form actions */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}
.coverage { font-size: 12.5px; color: var(--faint); }

.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 15px;
  cursor: pointer;
  font-size: 13.5px;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 11px; font-size: 12.5px; }

/* Score card */
.score-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 18px;
}
.score-ring {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  flex-shrink: 0;
  background:
    radial-gradient(closest-side, var(--panel) 78%, transparent 79% 100%),
    conic-gradient(var(--ring-color, var(--faint)) calc(var(--ring, 0) * 1%), #2a3550 0);
  position: relative;
}
.score-num { font-size: 30px; font-weight: 800; line-height: 1; }
.score-of { font-size: 11px; color: var(--faint); margin-top: 2px; }
.band-label { font-size: 18px; font-weight: 700; }
.band-blurb { font-size: 13px; color: var(--muted); margin-top: 4px; }

.score-card[data-tone="empty"] .band-label { color: var(--muted); font-weight: 500; font-size: 15px; }
.score-card[data-tone="good"] { --ring-color: var(--good); border-color: rgba(54,201,143,0.4); }
.score-card[data-tone="good"] .band-label { color: var(--good); }
.score-card[data-tone="warn"] { --ring-color: var(--warn); border-color: rgba(244,168,58,0.4); }
.score-card[data-tone="warn"] .band-label { color: var(--warn); }
.score-card[data-tone="danger"] { --ring-color: var(--danger); border-color: rgba(240,89,106,0.4); }
.score-card[data-tone="danger"] .band-label { color: var(--danger); }
.score-card[data-tone="expand"] { --ring-color: var(--expand); border-color: rgba(87,184,255,0.4); }
.score-card[data-tone="expand"] .band-label { color: var(--expand); }

.block-title { font-size: 14px; margin: 0 0 10px; color: var(--text); }

/* Dimension bars */
.dims { margin-bottom: 18px; }
.dim-bar { margin-bottom: 11px; }
.dim-bar-top {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  margin-bottom: 5px;
}
.dim-bar-top .nm { color: var(--muted); }
.dim-bar-top .vl { color: var(--text); font-weight: 600; }
.dim-bar-track { height: 7px; border-radius: 5px; background: #2a3550; overflow: hidden; }
.dim-bar-fill { height: 100%; border-radius: 5px; transition: width 0.4s ease; }
.dim-bar-fill.t-good { background: var(--good); }
.dim-bar-fill.t-warn { background: var(--warn); }
.dim-bar-fill.t-danger { background: var(--danger); }
.dim-bar-fill.t-expand { background: var(--expand); }

/* Flags */
.flags { margin-bottom: 18px; }
.flags ul { list-style: none; margin: 0; padding: 0; }
.flags li {
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 9px;
  background: rgba(240, 89, 106, 0.12);
  border: 1px solid rgba(240, 89, 106, 0.35);
  color: #ffd5da;
  margin-bottom: 7px;
}
.flags li b { color: #fff; }

/* Actions */
.actions { margin-bottom: 18px; }
.actions ol { margin: 0; padding-left: 20px; }
.actions li { font-size: 13.5px; margin-bottom: 8px; color: var(--text); }

/* Summary */
.summary { margin-bottom: 6px; }
.summary-head { display: flex; align-items: center; justify-content: space-between; }
.summary pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12.5px;
  line-height: 1.6;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 8px 0 0;
  color: var(--muted);
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

.empty-hint { font-size: 13px; color: var(--faint); text-align: center; padding: 8px 0 2px; }

/* Footer */
.footer { border-top: 1px solid var(--line); margin-top: 10px; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 12.5px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-dim { color: var(--faint); }

/* Responsive */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .topbar-tag { display: none; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 14px; }
  .form-panel, .result-panel { padding: 18px; }
  .panel-head h1 { font-size: 19px; }
  .score-ring { width: 76px; height: 76px; }
  .score-num { font-size: 26px; }
  .opt span { padding: 8px 12px; font-size: 13px; }
}