/* public/styles.css — 화면 설계 1절 */
:root {
  --paper: #FFFCF5; --card: #FFFFFF; --ink: #1B1B1F; --sub: #5F5F68; --hint: #6B6B73;
  --line: #E7E3DA; --soft: #F1EEE6; --off: #D9D5CC;
  --wood: #3E9B6A; --fire: #E5574B; --earth: #E0A93B; --metal: #9AA1AC; --water: #3B6FD8;
  --serif: 'Nanum Myeongjo', serif;
  --sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
[tabindex="-1"]:focus { outline: none; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
button { font: inherit; color: inherit; }
#app { max-width: 430px; margin: 0 auto; min-height: 100vh; min-height: 100dvh; }
.page { padding: 28px 20px calc(150px + env(safe-area-inset-bottom)); }
.back { border: 0; background: none; padding: 4px 0; margin: -8px 0 12px; color: var(--sub); font-size: 14px; cursor: pointer; }
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--serif); font-weight: 800; font-size: 20px; margin-bottom: 28px; }
.star { width: 20px; height: 20px; display: inline-block; flex: none;
  clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%);
  background: conic-gradient(var(--wood) 0 72deg, var(--fire) 72deg 144deg, var(--earth) 144deg 216deg, var(--metal) 216deg 288deg, var(--water) 288deg 360deg); }
.star.small { width: 12px; height: 12px; }
.star.spin { width: 48px; height: 48px; animation: spin 3s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .star.spin { animation: none; } }
.title { font-family: var(--serif); font-weight: 800; font-size: 24px; line-height: 1.45; margin: 0 0 12px; }
.step-title { font-family: var(--serif); font-weight: 800; font-size: 22px; line-height: 1.45; margin: 0 0 6px; }
.lead { color: var(--sub); margin: 0 0 20px; }
.fine { color: var(--sub); font-size: 13px; margin: 8px 0 0; text-align: center; }
.beta-note { background: var(--soft); border-radius: 12px; padding: 10px 14px; font-size: 13px; color: var(--sub); margin: 0 0 20px; }
.error { color: #A3301F; font-size: 14px; margin: 8px 0 0; min-height: 1.4em; }
/* 버튼 */
.btn { display: block; width: 100%; padding: 15px 18px; border-radius: 999px; border: 0; font-weight: 700; font-size: 16px; text-align: center; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:disabled, .btn.disabled { background: var(--off); color: #fff; cursor: default; }
.btn.ghost { background: transparent; border: 1.5px solid var(--ink); color: var(--ink); }
.btn.small { display: inline-block; width: auto; padding: 8px 14px; font-size: 14px; }
.btn + .btn { margin-top: 10px; }
.bottom { position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 20px calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(to top, var(--paper) 70%, transparent); }
.bottom > * { max-width: 390px; margin-left: auto; margin-right: auto; }
.actions { margin-top: 28px; }
/* 입력 */
.field { display: block; margin: 0 0 14px; }
.field > span { display: block; font-size: 14px; color: var(--sub); margin-bottom: 6px; }
.input { width: 100%; padding: 14px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--card); font: inherit; color: var(--ink); }
.input:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.input::placeholder { color: var(--hint); }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; }
.check { display: flex; align-items: center; gap: 8px; font-size: 15px; margin: 4px 0 14px; }
.check input { width: 20px; height: 20px; accent-color: var(--ink); }
.term-note { font-size: 14px; color: var(--sub); background: var(--soft); border-radius: 10px; padding: 8px 12px; margin: -6px 0 10px; }
.seg { display: flex; background: var(--soft); border-radius: 999px; padding: 4px; margin-bottom: 14px; }
.seg button { flex: 1; border: 0; background: transparent; padding: 9px; border-radius: 999px; font-weight: 600; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--card); box-shadow: 0 1px 4px #0000001a; }
/* 진행 막대 */
.progress { display: flex; gap: 6px; margin: 0 0 24px; }
.progress span { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.progress span.on { background: var(--ink); }
/* 칩 */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; padding: 7px 12px; border-radius: 999px; font-size: 14px; font-weight: 600; }
.chip sup { font-size: 11px; margin-left: 2px; opacity: .75; }
.c-wood { background: #DDF0E3; color: #24603F; } .c-fire { background: #FBE0DC; color: #A3301F; }
.c-earth { background: #F8EBCB; color: #7A530A; } .c-metal { background: #E9EBEE; color: #4D5562; }
.c-water { background: #DDE7FA; color: #2F5BB7; }
.chips.deco { margin: 4px 0 0; }
/* 단어 고르기 — 고르는 동안은 무채색 */
.picker-top { position: sticky; top: 0; z-index: 2; background: var(--paper); padding: 20px 0 10px; }
.slot-row { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
.slots { display: flex; gap: 6px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.slots::-webkit-scrollbar, .jump::-webkit-scrollbar { display: none; }
.slot { min-width: 56px; height: 34px; border-radius: 999px; border: 1.5px dashed var(--line); display: inline-flex; align-items: center; justify-content: center; padding: 0 10px; font-size: 13px; white-space: nowrap; background: transparent; }
.slot.filled { border: 0; background: var(--ink); color: #fff; cursor: pointer; }
.counter { font-weight: 700; font-size: 14px; color: var(--sub); }
.jump { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.jump-chip { flex: none; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.group { padding-top: 18px; scroll-margin-top: 200px; }
.group h3 { font-size: 16px; margin: 0 0 10px; }
.group h3 small { font-weight: 400; color: var(--sub); font-size: 13px; margin-left: 4px; }
.pick { border: 1.5px solid var(--line); background: var(--card); border-radius: 999px; padding: 8px 13px; font-size: 15px; cursor: pointer; }
.pick.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.pick:disabled { opacity: .45; cursor: default; }
/* 카드 */
.card { background: var(--card); border-radius: 16px; padding: 20px; box-shadow: 0 2px 12px #0000000d; margin: 0 0 14px; }
.card.ilju { text-align: center; padding: 28px 20px; }
.hanja { font-family: var(--serif); font-weight: 800; font-size: 56px; line-height: 1.1; letter-spacing: 4px; }
.card-title { font-family: var(--serif); font-weight: 700; font-size: 17px; margin: 10px 0 8px; }
.card p { margin: 0; }
.linkbox { display: flex; gap: 8px; align-items: center; background: var(--soft); border-radius: 12px; padding: 10px 12px; margin: 8px 0 4px; }
.linkbox code { flex: 1; font-size: 13px; overflow-wrap: anywhere; font-family: var(--sans); }
/* 친구 화면 종이 */
.paper-slots { display: flex; gap: 6px; justify-content: center; margin: 24px 0; }
.paper-slots span { width: 52px; height: 28px; border-radius: 999px; border: 1.5px dashed var(--off); }
.stars3 { display: flex; gap: 6px; justify-content: center; margin: 16px 0 6px; }
.stars3 .star { width: 26px; height: 26px; }
.stars3 .star.off { background: var(--line); }
hr.div { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
/* 결과 2×2 */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cell { background: var(--card); border-radius: 14px; padding: 13px; min-height: 120px; box-shadow: 0 2px 8px #0000000a; border: 2px solid transparent; position: relative; text-align: left; cursor: pointer; }
.cell.on { border-color: var(--ink); }
.cell.dark { background: var(--ink); color: #fff; }
.cell.dark.on { border-color: var(--earth); }
.cell h4 { margin: 0 0 8px; font-size: 13px; font-weight: 700; color: var(--sub); display: flex; align-items: center; gap: 5px; }
.cell.dark h4 { color: #C9C5BC; }
.cell .chip { font-size: 13px; padding: 5px 9px; }
.cell .more { font-size: 13px; color: var(--sub); align-self: center; }
.grid.waiting .cell { cursor: default; }
.chip.ghost { background: var(--soft); color: var(--sub); }
.cell.locked-grey { background: var(--soft); box-shadow: none; cursor: default; }
.el-name { font-family: var(--serif); font-weight: 800; font-size: 30px; line-height: 1.1; }
.el-name small { display: block; font-family: var(--sans); font-size: 13px; font-weight: 400; color: #C9C5BC; margin-top: 4px; }
.tag { position: absolute; top: 10px; right: 10px; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; }
.tag.free { background: #DDF0E3; color: #24603F; }
.tag.lock { background: var(--soft); color: var(--sub); }
.detail { background: var(--card); border-radius: 16px; padding: 18px; margin: 14px 0; box-shadow: 0 2px 12px #0000000d; position: relative; }
.detail .k { font-size: 13px; color: var(--sub); display: block; margin-bottom: 6px; }
.detail .qq { font-family: var(--serif); font-weight: 800; font-size: 18px; line-height: 1.5; margin: 0 0 10px; }
.detail .aa { font-family: var(--serif); font-size: 16px; line-height: 1.85; margin: 0; }
.blur { filter: blur(5px); user-select: none; }
.lockwrap { position: relative; }
.lockover { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center; }
.lockover p { margin: 0; color: var(--sub); font-size: 14px; }
.tap-hint { font-size: 13px; color: var(--sub); text-align: center; margin: 8px 0 0; }
/* 편지 */
.letter { background: #fff; border-radius: 6px; padding: 28px 22px; box-shadow: 0 4px 20px #00000012; font-family: var(--serif); font-size: 16px; line-height: 1.95; margin: 14px 0; }
.writing { text-align: center; padding: 28px 0; }
.writing p { margin: 12px 0 0; color: var(--sub); }
.star.spin.small-spin { width: 28px; height: 28px; }
.letter-body { white-space: pre-wrap; }
.letter-summary { white-space: pre-wrap; background: var(--soft); border-radius: 10px; padding: 14px 16px; margin: 22px 0 0; font-family: var(--sans); font-size: 15px; line-height: 1.75; }
.letter-sign { text-align: right; margin: 18px 0 0; font-weight: 700; }
/* 평가 */
.rate { display: flex; gap: 6px; margin: 10px 0 12px; }
/* 별 색: 흰 바탕 대비 — 안 고름 #8C8578 3.7, 고름 #B07A12 3.7 (비텍스트 3:1 기준) */
.rate button { width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid #8C8578; background: var(--card); font-size: 22px; cursor: pointer; color: #8C8578; }
.rate button.filled { color: #B07A12; border-color: #B07A12; }
textarea.input { min-height: 84px; resize: vertical; }
details.more-saju { margin: 18px 0; }
details.more-saju summary { cursor: pointer; font-weight: 600; padding: 10px 0; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; text-align: center; margin: 8px 0; }
.pillars div { background: var(--card); border-radius: 10px; padding: 8px 0; }
.pillars small { display: block; color: var(--sub); font-size: 12px; }
.pillars b { font-family: var(--serif); font-size: 20px; }