:root {
  color-scheme: light;
  --bg: #fff7f0;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5f5f5f;
  --accent: #ff6b35;
  --accent-2: #2d9cdb;
  --border: #f0d8c9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #fff0e5, #fff7f0 55%, #fbe7d5);
  color: var(--text);
  min-height: 100dvh;
}

.shell {
  width: min(960px, 92vw);
  margin: 0 auto;
  padding: 36px 0 60px;
  display: grid;
  gap: 24px;
}

.hero {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px 24px;
  box-shadow: 0 20px 40px rgba(255, 107, 53, 0.08);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  display: grid;
  gap: 20px;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.06);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.panel-head h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.panel-head p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.panel-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.mode-toggle {
  display: inline-flex;
  background: #fff3ea;
  border-radius: 999px;
  padding: 4px;
  border: 1px solid var(--border);
  gap: 6px;
}

.mode-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
}

.mode-btn.active {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 8px 16px rgba(255, 107, 53, 0.18);
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 18px rgba(255, 107, 53, 0.24);
}

button:active {
  transform: translateY(1px);
}

button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.panel-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.capture {
  display: grid;
  gap: 12px;
}

.webcam {
  display: grid;
  gap: 12px;
}

.webcam-frame {
  min-height: 240px;
  border-radius: 16px;
  border: 1px dashed var(--border);
  background: #fff3ea;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.webcam-frame canvas {
  width: 100%;
  height: auto;
  display: block;
}

.webcam-hint {
  font-size: 12px;
  color: var(--muted);
}

.hidden {
  display: none;
}

.upload {
  display: grid;
  gap: 12px;
}

.upload-box {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  background: #fff3ea;
  cursor: pointer;
  font-weight: 700;
  color: var(--accent);
  display: grid;
  gap: 6px;
}

.upload-box.dragover {
  border-color: var(--accent);
  background: #ffe8db;
  box-shadow: 0 12px 22px rgba(255, 107, 53, 0.18);
}

.upload-box small {
  color: var(--muted);
  font-weight: 500;
}

#imageUpload {
  display: none;
}

.upload-preview {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  min-height: 240px;
  display: grid;
  place-items: center;
}

.upload-preview img {
  width: 100%;
  height: auto;
  display: none;
}

.upload-preview img.ready {
  display: block;
}

.results {
  background: #fff7f2;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-header h3 {
  margin: 0;
  font-size: 16px;
}

.status {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ffe0d1;
  color: #b4451a;
  font-weight: 700;
}

.status.live {
  background: #d6f2ff;
  color: #1b6b98;
}

.labels {
  display: grid;
  gap: 10px;
}

.label-row {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

.bar {
  height: 10px;
  border-radius: 999px;
  background: #f2d6c5;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width 0.2s ease;
}

.guide {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  display: grid;
  gap: 10px;
}

.guide h2 {
  margin: 0;
  font-size: 18px;
}

.guide ol {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--muted);
}

.note {
  margin: 0;
  font-size: 12px;
  color: #a45b35;
}

html.theme-dark .mode-toggle {
  background: rgba(17, 24, 35, 0.9);
}

html.theme-dark .mode-btn.active {
  background: #1e2a3a;
  color: #8fd4ff;
  box-shadow: 0 8px 16px rgba(9, 16, 24, 0.45);
}

html.theme-dark .webcam-frame,
html.theme-dark .upload-box,
html.theme-dark .upload-preview,
html.theme-dark .results,
html.theme-dark .guide {
  background: rgba(18, 24, 34, 0.9);
  border-color: #33465f;
}

html.theme-dark .upload-box {
  color: #8fd4ff;
}

html.theme-dark .upload-box.dragover {
  border-color: #8fd4ff;
  background: rgba(22, 38, 57, 0.95);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.4);
}

html.theme-dark .bar {
  background: #2a3a4f;
}

html.theme-dark .status {
  background: rgba(120, 70, 35, 0.45);
  color: #ffd9bf;
}

html.theme-dark .status.live {
  background: rgba(35, 87, 120, 0.45);
  color: #bde5ff;
}

html.theme-dark .note {
  color: #ffbc8a;
}

@media (max-width: 720px) {
  .panel-body {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: 24px;
  }
}