/* ── 빨강 수치 측정기 ─────────────────────────────────── */
.red-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.red-head {
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
}

.red-head h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 4.2vw, 38px);
  letter-spacing: -.01em;
  margin: 4px 0 6px;
}

.red-head p:last-child {
  margin: 0;
  color: var(--ink-2);
  max-width: 48ch;
}

.mode-tabs { display: flex; gap: 8px; margin: 22px 0 18px; }

.mode-tab {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-2);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13.5px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.mode-tab:hover { border-color: var(--accent); color: var(--ink); }

.mode-tab[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--card);
  font-weight: 600;
}

.red-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  gap: 22px;
  align-items: start;
}

@media (max-width: 820px) {
  .red-grid { grid-template-columns: 1fr; }
}

.red-panel {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.red-panel.result { display: grid; gap: 14px; justify-items: center; text-align: center; }

/* 화면 / 업로드 영역 */
.stage {
  display: grid;
  place-items: center;
  min-height: 260px;
  border: 1px dashed var(--rule);
  border-radius: 10px;
  background: var(--card-2);
  overflow: hidden;
  margin-bottom: 14px;
}

.stage canvas {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 8px;
}

.stage-empty { margin: 0; color: var(--ink-3); font-size: 13.5px; padding: 24px; text-align: center; }

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 260px;
  border: 1px dashed var(--rule);
  border-radius: 10px;
  background: var(--card-2);
  color: var(--ink-3);
  font-size: 13.5px;
  text-align: center;
  padding: 20px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.drop-zone:hover,
.drop-zone.dragging { border-color: var(--accent); background: var(--accent-soft); }

.drop-zone img { max-width: 100%; max-height: 320px; border-radius: 8px; display: block; }

.status { margin: 12px 0 0; font-size: 13px; color: var(--ink-3); min-height: 20px; }
.status[data-type="error"] { color: #d9534f; }

/* 게이지 */
.gauge {
  --p: 0;
  width: 176px;
  height: 176px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(#d9534f calc(var(--p) * 1%), var(--rule-soft) 0);
  transition: background .25s ease;
}

.gauge-inner {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: var(--card);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
}

.gauge-inner strong {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.02em;
}

.gauge-inner small { font-size: 11.5px; color: var(--ink-3); }

.verdict {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
}

.verdict[data-level="high"] { color: #d9534f; }
.verdict[data-level="mid"] { color: #c98a1e; }
.verdict[data-level="low"] { color: var(--ink-2); }

/* 클래스별 확률 막대 */
.bars { width: 100%; display: grid; gap: 10px; text-align: left; }

.bar-row { display: grid; gap: 5px; }

.bar-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12.5px;
  color: var(--ink-2);
}

.bar-head b { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 600; }

.bar-track {
  height: 7px;
  border-radius: 999px;
  background: var(--rule-soft);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--ink-3);
  transition: width .2s ease;
}

.bar-row.is-red .bar-fill { background: #d9534f; }

.red-panel .hint { text-align: left; }