:root {
  --bg: #16110A;
  --card: #241C10;
  --card-hi: #2F2415;
  --line: #443624;
  --text: #F5EFE2;
  --muted: #B3A489;
  --gold: #D9A441;
  --gold-ink: #211705;
  /* 오행 다섯 색(전통색 기반). 사주 기둥 글자·오행 막대그래프에 그대로 쓴다. */
  --wood: #5FAE6E; --fire: #E0554F; --earth: #C9973F; --metal: #C9C4B0; --water: #6E93C9;
  --radius: 18px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #FBF7EF; --card: #FFFFFF; --card-hi: #F5EEDD; --line: #E5D9BE;
    --text: #241C10; --muted: #7A6C50; --gold: #9C6B12; --gold-ink: #FFFFFF;
    --wood: #3F8A4F; --fire: #C6423B; --earth: #A87A1F; --metal: #6B6658; --water: #3F6BA8;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #FBF7EF; --card: #FFFFFF; --card-hi: #F5EEDD; --line: #E5D9BE;
  --text: #241C10; --muted: #7A6C50; --gold: #9C6B12; --gold-ink: #FFFFFF;
  --wood: #3F8A4F; --fire: #C6423B; --earth: #A87A1F; --metal: #6B6658; --water: #3F6BA8;
  color-scheme: light;
}
* { box-sizing: border-box; }
/* 라이트/다크 전환이 뚝 끊기지 않고 부드럽게 이어지도록. prefers-reduced-motion에서는 아래 미디어쿼리가 다시 꺼준다. */
*, *::before, *::after { transition: background-color .2s ease, border-color .2s ease, color .2s ease; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
  background: var(--bg) radial-gradient(60% 260px at 50% -40px, rgba(217, 164, 65, .18), transparent 72%) no-repeat;
  color: var(--text);
  word-break: keep-all;
  overflow-wrap: break-word;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
}
body > * { max-width: 480px; margin-inline: auto; padding-inline: 20px; }
a { color: var(--gold); }
h1 { margin: 0; font-size: 28px; line-height: 1.3; letter-spacing: -.02em; }
h2 { margin: 0 0 6px; font-size: 13px; font-weight: 700; color: var(--muted); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
[hidden] { display: none !important; }

.crumb { margin: 14px 0 0; font-size: 13px; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--gold); }
.theme-toggle {
  position: fixed; z-index: 20; top: calc(14px + env(safe-area-inset-top, 0px)); right: max(14px, calc((100% - 480px) / 2 + 14px));
  width: 38px; height: 38px; margin: 0; padding: 0; max-width: none; border: 1px solid var(--line); border-radius: 50%;
  background: var(--card); font-size: 16px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .4);
}
.theme-toggle:hover { border-color: var(--gold); }

.hero { padding-top: 20px; padding-bottom: 12px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px; font-size: 13px; font-weight: 700; color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.accent { color: var(--gold); }
.lead { margin: 12px auto 0; max-width: 340px; color: var(--muted); text-wrap: balance; font-size: 14px; }

/* 입력 폼 */
.form { display: grid; gap: 16px; margin: 20px 0 28px; padding: 20px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.field { display: grid; gap: 8px; }
.field > span:first-child { font-size: 13px; font-weight: 700; color: var(--muted); }
.field input[type="date"], .field input[type="time"] {
  height: 48px; padding: 0 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--card-hi);
  color: var(--text); font: inherit; font-weight: 600;
}
.field input[type="time"]:disabled { opacity: .5; }
.time-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.time-row input[type="time"] { flex: 1; min-width: 130px; }
.unknown-check { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; min-width: 0; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 14px; background: var(--card-hi); }
.seg-3 button { font-size: 13px; }
.seg button { height: 42px; min-width: 0; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font: inherit; font-weight: 700; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: background .2s, color .2s; }
.seg button[aria-pressed="true"] { background: var(--gold); color: var(--gold-ink); }
.submit-btn {
  height: 54px; margin-top: 4px; border: 0; border-radius: 16px;
  background: linear-gradient(135deg, var(--gold), #B37E24); color: var(--gold-ink);
  font: inherit; font-size: 17px; font-weight: 800; cursor: pointer;
  box-shadow: 0 10px 30px -10px rgba(217, 164, 65, .55);
}
.submit-btn:active { transform: scale(.98); }
.submit-btn:disabled { opacity: .6; cursor: progress; }

/* 결과 */
.result { padding-top: 4px; }
.status { min-height: 1.4em; margin: 0 0 14px; color: var(--muted); font-size: 13px; text-align: center; }

.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(70px, 1fr)); gap: 8px; margin-bottom: 20px; }
.pillar { display: grid; justify-items: center; gap: 8px; padding: 14px 8px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); animation: rise .4s cubic-bezier(.2, .7, .2, 1) both; }
.pillar-label { color: var(--muted); font-size: 12px; font-weight: 700; }
.pillar-chars { display: flex; flex-direction: column; gap: 4px; }
.char {
  display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px;
  font-size: 18px; font-weight: 800; color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, .3);
}
.char.el-목 { background: var(--wood); }
.char.el-화 { background: var(--fire); }
.char.el-토 { background: var(--earth); }
.char.el-금 { background: var(--metal); color: #241C10; text-shadow: none; }
.char.el-수 { background: var(--water); }

.elements { display: grid; gap: 8px; margin-bottom: 20px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.el-row { display: grid; grid-template-columns: 24px 1fr 20px; align-items: center; gap: 10px; }
.el-name { color: var(--muted); font-size: 13px; font-weight: 700; }
.el-track { height: 10px; border-radius: 99px; background: var(--card-hi); overflow: hidden; }
.el-bar { height: 100%; border-radius: 99px; transition: width .4s ease; }
.el-bar.el-목 { background: var(--wood); } .el-bar.el-화 { background: var(--fire); } .el-bar.el-토 { background: var(--earth); }
.el-bar.el-금 { background: var(--metal); } .el-bar.el-수 { background: var(--water); }
.el-count { color: var(--muted); font-size: 12px; text-align: right; font-variant-numeric: tabular-nums; }

.reading { display: grid; gap: 14px; animation: fadein .5s ease both; }
.headline { margin: 0 2px; padding: 18px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(217, 164, 65, .16), rgba(217, 164, 65, .05)); border: 1px solid var(--gold); color: var(--text); font-size: 16px; font-weight: 700; line-height: 1.5; text-align: center; }
.block { padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.block p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.advice { border-left: 3px solid var(--gold); background: linear-gradient(160deg, rgba(217, 164, 65, .08), var(--card)); }
.block p.compat-summary { margin: 0 0 6px; color: var(--text); font-size: 15px; font-weight: 700; }

.disclaimer { margin: 4px 2px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.foot { padding-block: 32px 40px; color: var(--muted); font-size: 13px; text-align: center; }
.foot a { color: var(--muted); }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }