/* gui/theme.py의 COLORS(버터·아이보리 + 톤온톤 잉크, 골드 포인트 팔레트)와
   동일한 값을 사용해 데스크톱 앱과 시각적 일관성을 맞춘다. 웹버전은 다크를
   기본값으로 쓰기로 해서(2026-09-11) DARK_COLORS를 기본 :root에 두고,
   [data-theme="light"]에서만 LIGHT_COLORS로 덮어쓴다. */
:root {
  --bg: #1E1A15;
  --surface: #2A241C;
  --border: #3D362A;
  --dashed: #4A4230;
  --text: #EDE6D6;
  --text-secondary: #A79A82;
  --primary: #D9B54A;
  --primary-hover: #E8C765;
  --success: #8FA06B;
  --warning: #D4934F;
  --danger: #C77A6C;
  --muted: #7A7060;
  --selection: #3A3222;
  --cert-tier1-bg: #3A3222;
  --cert-tier2-bg: #2A3022;
  --cert-tier3-bg: #362B1E;
  /* 골드(primary) 배경 위 글자색은 라이트/다크 공통 고정값 — gui/theme.py
     COLORS['on_primary']와 동일한 이유(밝은 글자를 얹으면 대비가 떨어짐). */
  --on-primary: #2A2420;
}

:root[data-theme="light"] {
  --bg: #F7F1E4;
  --surface: #FFFDF8;
  --border: #E6DCC5;
  --dashed: #D8C9A0;
  --text: #2A2420;
  --text-secondary: #7A7060;
  --primary: #D9B54A;
  --primary-hover: #C6A23A;
  --success: #6E7F4E;
  --warning: #B97A3A;
  --danger: #A6453A;
  --muted: #A79A82;
  --selection: #F1E6C6;
  --cert-tier1-bg: #F1E6C6;
  --cert-tier2-bg: #EAEEDD;
  --cert-tier3-bg: #F7E9D6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.app__header {
  text-align: center;
  margin-bottom: 24px;
}

.app__header h1 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.app__tagline {
  margin: 0 auto 10px;
  max-width: 30em;
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  text-wrap: balance;
}

.app__description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 24px;
}

.scenario {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 8px;
  text-align: center;
}

.scenario__icon {
  display: block;
  font-size: 22px;
  margin-bottom: 6px;
}

.scenario__text {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.35;
}

.app__footer {
  margin-top: 24px;
  padding-top: 40px;
  text-align: center;
}

.app__footer p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.app__footer strong {
  color: var(--text);
}

.privacy-note {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  box-sizing: border-box;
  padding: 0 26px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 12px;
  text-align: left;
}

.privacy-note--emphasis {
  color: var(--text);
  font-weight: 700;
}

.privacy-note__icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-top: 2px;
}

.privacy-note__icon-bg {
  fill: var(--primary);
}

.privacy-note__icon-check {
  fill: none;
  stroke: var(--on-primary);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hidden {
  display: none !important;
}

.picker {
  background-color: var(--surface);
  border: 2px dashed var(--dashed);
  border-radius: 16px;
  padding: 48px 24px;
  text-align: center;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.picker--dragover {
  background-color: var(--bg);
  border-color: var(--primary);
}

.picker__hint {
  margin: 12px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.button {
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.button--primary {
  background-color: var(--primary);
  color: var(--on-primary);
}

.button--primary:hover {
  background-color: var(--primary-hover);
}

.button--secondary {
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
  margin-top: 20px;
}

.loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 48px 0;
}

.result {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.result__preview-wrap {
  margin: -24px -24px 16px;
  height: 260px;
  background-color: var(--bg);
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.result__preview {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.result__badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.result__badge--손상 {
  background-color: var(--danger);
}

.result__badge--의심 {
  background-color: var(--warning);
}

.result__badge--정상 {
  background-color: var(--success);
}

.result__badge--안내 {
  background-color: var(--muted);
}

.result__tag {
  display: inline-block;
  margin: 0 0 12px 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg);
  border: 1px solid var(--border);
}

.result__filename {
  margin: 0 0 8px;
  font-size: 17px;
  word-break: break-all;
}

.result__message {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.cert {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background-color: var(--bg);
}

.cert__icon {
  font-size: 26px;
  line-height: 1;
}

.cert__label {
  margin: 0;
  font-weight: 800;
  font-size: 15px;
  color: var(--text);
}

.cert__hint {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--text-secondary);
}

.cert--우수 {
  border-color: var(--primary);
  background-color: var(--cert-tier1-bg);
}

.cert--양호 {
  border-color: var(--success);
  background-color: var(--cert-tier2-bg);
}

.cert--주의 {
  border-color: var(--warning);
  background-color: var(--cert-tier3-bg);
}

.result__details {
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.result__details div {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
}

.result__details dt {
  color: var(--text-secondary);
}

.result__details dd {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.print-suitability {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.print-suitability__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.print-suitability__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.print-size {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background-color: var(--bg);
}

.print-size__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.print-size__level {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
}

.print-size__level--고품질 {
  background-color: var(--success);
}

.print-size__level--허용가능 {
  background-color: var(--warning);
}

.print-size__level--권장안함 {
  background-color: var(--muted);
}

.print-suitability__note {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--warning);
}

/* 형식 변환("다른 형식으로 저장") — 이미 디코딩해둔 원본 해상도 캔버스를
   그대로 원하는 형식으로 다시 인코딩해서 다운로드시킨다. 데스크톱 앱
   core/converter.py의 "형식 변환" 모드와 같은 개념이지만, 브라우저
   Canvas가 실제로 인코딩 가능한 형식(JPEG/PNG/WEBP)만 지원한다 — GIF/TIFF/BMP는
   Pillow 전용이라 웹판에는 없음. */
.convert {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.convert__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

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

.convert__select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}

.convert__quality-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.convert__quality-wrap input[type="range"] {
  width: 110px;
}

.convert__btn {
  width: auto;
  margin-top: 0;
  padding: 8px 16px;
  font-size: 13px;
}

.convert__note {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--text-secondary);
}