:root{
  --bg:#eef2f7;
  --card:#ffffff;
  --ink:#16233a;
  --muted:#64748b;
  --line:#dbe3ee;
  --brand:#0f5ba8;
  --brand-soft:#e6f0fb;
  --red:#c62828;
  --blue:#1157b7;
  --green:#1f8a4c;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,32,60,.06), 0 8px 24px rgba(16,32,60,.07);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%;
}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- Topbar ---------- */
.topbar{
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:14px clamp(12px,3vw,28px);
  display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);flex:none;
}
.topbar h1{font-size:19px}
.tagline{margin:2px 0 0;font-size:12.5px;color:var(--muted)}

.patient{display:flex;flex-wrap:wrap;gap:10px}
.patient label{display:flex;flex-direction:column;gap:4px;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.patient input{
  width:170px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;
  font-size:14px;font-weight:400;color:var(--ink);text-transform:none;letter-spacing:0;
}
.patient input:focus{outline:2px solid var(--brand);outline-offset:-1px;background:#fff}

/* ---------- Layout ---------- */
main{
  padding:clamp(12px,2.4vw,24px);
  display:grid;gap:18px;
  grid-template-columns:minmax(0,1fr) 340px;
  align-items:start;
  max-width:1500px;margin:0 auto;
}
@media (max-width:1080px){ main{grid-template-columns:minmax(0,1fr)} }

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.chart-card{padding:14px}
.side{display:grid;gap:18px;align-content:start}
.side .card{padding:16px}
.side h2{font-size:15px;margin-bottom:8px}
.side h3{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:16px 0 8px}

/* ---------- Toolbar ---------- */
.chart-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;margin-bottom:12px}
.chart-toolbar .spacer{flex:1 1 auto}
.sel{display:flex;flex-direction:column;gap:4px;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.sel select{
  padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;
  font-size:14px;font-weight:400;text-transform:none;letter-spacing:0;
}
.btn{
  padding:9px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:13.5px;font-weight:600;white-space:nowrap;transition:.15s;
}
.btn:hover{background:#f4f7fb}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:#0d4d8f}
.btn.danger:hover{background:#fdeeee;border-color:#f2c4c4;color:var(--red)}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ---------- Chart ---------- */
.chart-scroll{overflow-x:auto;overflow-y:hidden;padding-bottom:6px;-webkit-overflow-scrolling:touch}
#chart svg{display:block;margin:0 auto;touch-action:manipulation}
#chart .surf{cursor:pointer;transition:opacity .1s}
#chart .surf:hover{opacity:.62}
#chart .toothhit{cursor:pointer}
#chart .toothhit:hover{fill:rgba(15,91,168,.07)}
#chart .tnum{cursor:pointer;user-select:none}
.hint{margin:6px 2px 0;font-size:12px;color:var(--muted)}

/* ---------- Tools ---------- */
.rulecolor{margin:0;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.red{background:var(--red)}
.dot.blue{background:var(--blue)}

.tool-grid{display:grid;grid-template-columns:1fr;gap:5px}
.tool{
  display:flex;align-items:center;gap:9px;width:100%;text-align:left;
  padding:6px 9px;border:1px solid transparent;border-radius:9px;background:transparent;
  cursor:pointer;font-size:13px;line-height:1.25;transition:.12s;
}
.tool:hover{background:#f2f6fb}
.tool[aria-pressed="true"]{background:var(--brand-soft);border-color:#b9d4ef;font-weight:600}
.tool svg{flex:none}
.tool span{min-width:0}

/* ---------- Detail panel ---------- */
.detail .empty{color:var(--muted);font-size:13px;margin:0}
.detail .thead{display:flex;align-items:center;gap:10px;margin:2px 0 12px}
.detail .tbig{
  font-size:20px;font-weight:700;background:var(--brand-soft);color:var(--brand);
  padding:4px 12px;border-radius:9px;letter-spacing:.02em;
}
.detail .tmeta{font-size:12px;color:var(--muted);line-height:1.35}
.srow{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.srow b{flex:0 0 92px;font-size:12px;font-weight:600;color:var(--muted)}
.srow select{flex:1;min-width:0;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fbfcfe;font-size:13px}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{
  padding:5px 9px;border:1px solid var(--line);border-radius:20px;background:#fff;
  cursor:pointer;font-size:12px;transition:.12s;
}
.chip:hover{background:#f2f6fb}
.chip[aria-pressed="true"]{border-color:currentColor;font-weight:600}
.chip[aria-pressed="true"][data-col="red"]{background:#fdecec;color:var(--red)}
.chip[aria-pressed="true"][data-col="blue"]{background:#e8f0fc;color:var(--blue)}
.chip[aria-pressed="true"][data-col="ink"]{background:#eef1f6;color:var(--ink)}
.detail textarea{
  width:100%;min-height:64px;resize:vertical;padding:8px 10px;
  border:1px solid var(--line);border-radius:9px;background:#fbfcfe;font-size:13px;
}
.detail .actions{display:flex;gap:8px;margin-top:10px}

/* ---------- Footer ---------- */
.foot{padding:6px clamp(12px,3vw,28px) 28px;max-width:1500px;margin:0 auto}
.foot p{margin:0;font-size:11.5px;color:var(--muted)}

@media (max-width:560px){
  .patient{width:100%}
  .patient label{flex:1 1 46%}
  .patient input{width:100%}
  .chart-toolbar .btn{flex:1 1 46%}
  .tool-grid{grid-template-columns:1fr 1fr}
}

@media print{
  .chart-toolbar,.side,.foot,.hint{display:none}
  body{background:#fff}
  .card{border:none;box-shadow:none}
}