/* 고팡 — 현무암 바탕, 유채 노랑 한 가지 강조색 */
:root {
  --stone: #eceeea;      /* 바탕: 옅은 현무암 회색 */
  --stone-2: #dfe2dc;    /* 한 단계 짙은 바탕 */
  --bench: #f9faf7;      /* 실행 창: 바탕보다 밝게 떠 있는 판 */
  --basalt: #22292b;     /* 글자 */
  --basalt-2: #5a6366;   /* 보조 글자 */
  --pore: #c9cdc6;       /* 현무암 구멍 무늬 */
  --yuchae: #e6b422;     /* 유채 노랑: 누르는 것에만 */
  --moss: #4a6545;       /* 돌담 이끼: 완료 */
  --error: #a3332b;
  --line: #c4c8c1;
  --font: "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", "Noto Sans KR", system-ui, sans-serif;
  --measure: 40rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --stone: #1e2324;
    --stone-2: #272d2e;
    --bench: #2c3335;
    --basalt: #e6e9e4;
    --basalt-2: #a3aaa6;
    --pore: #343b3c;
    --moss: #8fb187;
    --error: #e58a7f;
    --line: #3c4344;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--stone);
  color: var(--basalt);
  font: 400 1rem/1.7 var(--font);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--yuchae); outline-offset: 2px; }

.site {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 3rem;
}
@media (min-width: 60rem) {
  .site { grid-template-columns: minmax(0, var(--measure)) 1fr; }
  .site > main, .about { grid-column: 1; }
  .ad-slot { grid-column: 2; grid-row: 2 / span 2; }
}

.masthead {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.5rem 0 2.5rem;
}
.wordmark {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.masthead small { color: var(--basalt-2); font-size: 0.95rem; }

h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 0.75rem;
}
h2 { font-size: 1.25rem; letter-spacing: -0.02em; margin: 3rem 0 0.75rem; }
.lead { font-size: 1.1rem; color: var(--basalt-2); margin: 0 0 2rem; max-width: var(--measure); }

/* 실행 창: 변환에 필요한 것만 담는 판. 그 아래 안내 글은 바탕에 그대로 둔다 */
.workbench {
  background: var(--bench);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}
@media (max-width: 30rem) { .workbench { padding: 0.9rem; margin: 0 -0.25rem; } }

/* 현무암 판: 파일을 넣는 고팡 */
.drop {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 15rem;
  padding: 2rem 1.5rem;
  border-radius: 6px;
  background-color: var(--stone-2);
  background-image:
    radial-gradient(circle at 20% 30%, var(--pore) 0 3px, transparent 4px),
    radial-gradient(circle at 70% 65%, var(--pore) 0 2px, transparent 3px),
    radial-gradient(circle at 45% 80%, var(--pore) 0 4px, transparent 5px),
    radial-gradient(circle at 85% 20%, var(--pore) 0 2.5px, transparent 3.5px);
  background-size: 37px 41px, 53px 47px, 71px 67px, 43px 59px;
  border: 2px solid var(--line);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}
.drop:hover, .drop.is-over { border-color: var(--basalt); }
.drop.is-over { background-color: var(--stone); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-title { display: block; font-size: 1.35rem; font-weight: 700; margin: 0; }
.drop-hint { display: block; color: var(--basalt-2); margin: 0.25rem 0 1.25rem; max-width: 26rem; }
.button {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border: 0;
  border-radius: 4px;
  background: var(--yuchae);
  color: #22292b;
  font: 700 1rem/1.4 var(--font);
  text-decoration: none;
  cursor: pointer;
}
.button:hover { filter: brightness(1.06); }
.button:disabled { opacity: 0.45; cursor: default; filter: none; }
.button.quiet { background: transparent; color: var(--basalt); border: 1.5px solid var(--line); }

.promise {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  color: var(--basalt-2);
}
.promise strong { color: var(--basalt); }

/* 결과 목록 */
.results { list-style: none; padding: 0; margin: 1rem 0 0; border-top: 1px solid var(--line); }
.result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.15rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.result-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-state { grid-column: 1; font-size: 0.9rem; color: var(--basalt-2); }
.result progress { grid-column: 1 / -1; width: 100%; height: 0.4rem; accent-color: var(--moss); }
.result.is-done .result-state { color: var(--moss); }
.result.is-error .result-state { color: var(--error); }
.result-actions {
  grid-column: 2; grid-row: 1 / span 2;
  display: flex; align-items: center; gap: 0.35rem;
}
.result-get {
  padding: 0.4rem 1rem; border-radius: 4px;
  background: var(--yuchae); color: #22292b; font-weight: 700; text-decoration: none;
}
/* 작게, 그러나 손가락으로 누를 수 있는 크기 */
.result-remove {
  width: 2rem; height: 2rem; padding: 0;
  border: 0; border-radius: 4px; background: transparent;
  color: var(--basalt-2); font: 400 1.35rem/1 var(--font); cursor: pointer;
}
.result-remove:hover { background: var(--stone-2); color: var(--basalt); }
.clear-results {
  margin-top: 0.5rem; padding: 0.25rem 0; border: 0; background: none;
  color: var(--basalt-2); font: inherit; font-size: 0.9rem;
  text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer;
}
.clear-results:hover { color: var(--basalt); }

/* 선택 사항 */
.options { margin: 1.5rem 0 0; padding: 0; border: 0; display: grid; gap: 0.6rem; }
.options legend { font-weight: 700; margin-bottom: 0.4rem; padding: 0; }
.option { display: flex; gap: 0.6rem; align-items: center; }
.option select {
  font: inherit; color: inherit; background: var(--bench); border: 1.5px solid var(--line);
  border-radius: 4px; padding: 0.35rem 0.5rem; max-width: 100%;
}
.option input[type="checkbox"] { width: 1.1rem; height: 1.1rem; accent-color: var(--basalt); }

/* 글 붙여넣기 */
.paste { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.paste summary { cursor: pointer; font-weight: 700; }
.paste-grid { display: grid; gap: 0.75rem; margin-top: 1rem; }
.paste textarea {
  width: 100%; min-height: 8rem; resize: vertical;
  font: inherit; color: inherit; background: var(--stone);
  border: 1.5px solid var(--line); border-radius: 4px; padding: 0.6rem 0.75rem;
}
.paste-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.paste-msg { font-size: 0.9rem; color: var(--basalt-2); }

/* 설명 */
.about { max-width: var(--measure); }
.about ol, .about ul { padding-left: 1.4rem; }
.about li + li { margin-top: 0.3rem; }
.about dt { font-weight: 700; margin-top: 1.1rem; }
.about dd { margin: 0.2rem 0 0; color: var(--basalt-2); }

/* 광고 자리 (AdSense 승인 전에는 비어 있음) */
.ad-slot:empty { display: none; }

/* 홈 */
.tools { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.tools a {
  display: grid; gap: 0.15rem; padding: 1rem 0; border-bottom: 1px solid var(--line); text-decoration: none;
}
.tools a:hover .tool-name { text-decoration: underline; text-underline-offset: 0.2em; }
.tool-name { font-size: 1.15rem; font-weight: 700; }
.tool-desc { color: var(--basalt-2); }

.footer { grid-column: 1 / -1; margin-top: 4rem; font-size: 0.9rem; color: var(--basalt-2); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}