/* 복희편지 - 모바일 우선. 카카오 노랑·관공서 느낌(도장·공문 서식)은 쓰지 않는다. */
:root {
  --bg: #fff8f0;
  --paper: #ffffff;
  --ink: #3b2f2f;
  --soft: #8a7a72;
  --line: #f0e2d6;
  --coral: #e8505b;
  --coral-d: #cf3e49;
  --mint: #e8f6f1;
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  word-break: keep-all; overflow-wrap: anywhere;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 440px; margin: 0 auto; padding: 18px 18px 28px; min-height: 100vh; display: flex; flex-direction: column; }
.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: -0.3px; }
.brand span { color: var(--coral); }
.tag { font-size: 12.5px; color: var(--soft); }
h1 { font-size: 22px; line-height: 1.35; margin: 10px 0 4px; letter-spacing: -0.4px; }
.lead { color: var(--soft); margin: 0 0 14px; font-size: 14.5px; }
.hero { display: flex; justify-content: center; margin: 4px 0 8px; }
.hero img { width: 150px; height: auto; }
/* 살짝 움직이는 복희 (js/motion.js, 11/10). 영상 480x480에서 복희 몸 높이 약 400px(y 48~448) →
   png 150px 칸의 복희 키(약 145px)와 같게 174px, 위로 11px·왼쪽 12px 당겨 같은 자리에 겹친다.
   영상 배경 = 페이지 배경(#fff8f0)이라 네모가 안 보인다. 영상이 재생되기 전·못 틀면 png 그대로. */
.mbox { position: relative; width: 150px; }
.mbox img { display: block; }
.mbox img.mhide { visibility: hidden; }
.mbox .mv { position: absolute; left: -12px; top: -11px; width: 174px; height: 174px; opacity: 0; pointer-events: none; background: transparent; }
.mbox .mv.on { opacity: 1; }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; box-shadow: 0 2px 10px rgba(180, 140, 110, 0.08); }
label.f { display: block; font-weight: 700; font-size: 14.5px; margin-bottom: 6px; }
label.f small { font-weight: 400; color: var(--soft); }
input[type=text], textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 12px; padding: 11px 12px; background: #fffdfb; outline: none;
}
input[type=text]:focus, textarea:focus { border-color: var(--coral); }
textarea { resize: none; min-height: 84px; }
.row + .row { margin-top: 12px; }
.count { text-align: right; font-size: 12.5px; color: var(--soft); margin-top: 3px; }
.count.over { color: var(--coral); font-weight: 700; }
.err { color: var(--coral-d); font-size: 13.5px; margin-top: 6px; min-height: 0; }
.err:empty { display: none; }

.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choice button {
  font: inherit; font-size: 15px; font-weight: 700; padding: 12px 8px; border-radius: 14px; cursor: pointer;
  border: 1.5px solid var(--line); background: #fffdfb; color: var(--ink);
}
.choice button[aria-pressed=true] { border-color: var(--coral); background: #fff0ef; color: var(--coral-d); }
.pane { margin-top: 12px; }
.pane[hidden] { display: none; }
.phrase { background: var(--mint); border-radius: 14px; padding: 14px; font-size: 16px; min-height: 56px; }
.linkbtn { background: none; border: 0; color: var(--coral-d); font: inherit; font-size: 14px; font-weight: 700; padding: 8px 0 0; cursor: pointer; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; margin-top: 10px; }
.check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--coral); flex: none; }

.btn {
  display: block; width: 100%; font: inherit; font-size: 17px; font-weight: 800; letter-spacing: -0.2px;
  padding: 15px 14px; border-radius: 16px; border: 0; cursor: pointer; text-align: center; text-decoration: none;
  background: var(--coral); color: #fff; box-shadow: 0 4px 14px rgba(232, 80, 91, 0.28);
}
.btn:active { background: var(--coral-d); transform: translateY(1px); }
.btn[disabled] { opacity: 0.6; }
.btn.ghost { background: #fff; color: var(--coral-d); border: 1.5px solid var(--coral); box-shadow: none; }
.btn + .btn { margin-top: 8px; }
.note { font-size: 12.5px; color: var(--soft); margin: 8px 2px 0; }
.note a { color: var(--soft); }

.done[hidden] { display: none; }
.done .linkbox { font-size: 13px; background: #fffdfb; border: 1px dashed var(--line); border-radius: 10px; padding: 8px 10px; word-break: break-all; margin: 8px 0 10px; color: var(--soft); }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: rgba(59, 47, 47, 0.92); color: #fff; padding: 10px 16px; border-radius: 99px; font-size: 14px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50; }
.toast.on { opacity: 1; }

/* 처리방침 링크는 모든 화면에서 잘 보이게 (조 11/10: 다른 글보다 눈에 띄게) */
.foot { margin-top: auto; padding-top: 22px; text-align: center; font-size: 14px; }
.foot a { color: var(--ink); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; padding: 6px 4px; display: inline-block; }

/* ---------- 받은 화면 ---------- */
.stage { position: relative; height: 300px; margin: 6px 0 4px; overflow: hidden; border-radius: var(--radius);
  background: linear-gradient(#fff3e4 0 70%, #f8e6d2 70% 100%); }
.stage .sun { position: absolute; right: 26px; top: 22px; width: 46px; height: 46px; border-radius: 50%; background: #ffd9a8; opacity: .8; }
.stage .dog { position: absolute; bottom: 30px; left: 50%; width: 150px; margin-left: -75px; transform: translateX(-120vw); }
.stage .dog img { width: 100%; height: auto; display: block; }
/* a = 편지 문 복희, b = 편지 내려놓은 복희 (같은 자세). 편지가 입에서 나오는 순간 a→b */
.stage .dog img.b { position: absolute; left: 0; top: 0; opacity: 0; }
.play .dog img.a { animation: fade-out .01s 1.7s forwards; }
.play .dog img.b { animation: fade-in .01s 1.7s forwards; }
.stage:not(.play) .dog img.a { opacity: 0; }
.stage:not(.play) .dog img.b { opacity: 1; }
@keyframes fade-out { to { opacity: 0; } }
@keyframes fade-in { to { opacity: 1; } }
/* 편지 시작 자리 = 그림 속 편지 자리 (11/10 오후 두부 새 복희(플로우 4번) 기준 측정, 옛 값 -20/49/.27).
   bokhee_letter.png 600x609에서 편지 중심 (476, 322), 편지 폭 약 224px. bokhee.png와 겹침 0.997(이동 0).
   그림을 바꾸면 tools/measure_letter.py 로 다시 재서 이 네 값만 고친다. 기울기는 눈으로 본 값. */
.stage { --lx: -26px; --ly: 48px; --ls: .33; --lr: 12deg; }
.stage .env { position: absolute; left: 50%; top: 50%; width: 170px; height: 112px; margin: -56px 0 0 -85px; opacity: 0; transform: translate(var(--lx), var(--ly)) scale(var(--ls)) rotate(var(--lr)); }
.env .body { position: absolute; inset: 0; background: #ffe3e8; border: 3px solid var(--coral); border-radius: 10px; }
.env .flap { position: absolute; left: 0; right: 0; top: 0; height: 60%; transform-origin: top center;
  background: linear-gradient(to bottom right, transparent 49%, var(--coral) 49% 51%, transparent 51%) left / 50% 100% no-repeat,
              linear-gradient(to bottom left, transparent 49%, var(--coral) 49% 51%, transparent 51%) right / 50% 100% no-repeat; }
.env .heart { position: absolute; left: 50%; top: 48%; width: 22px; height: 22px; margin: -11px 0 0 -11px; color: var(--coral); font-size: 22px; line-height: 22px; text-align: center; }

.play .dog { animation: walk-in 1.6s cubic-bezier(.3,.7,.4,1) forwards, bob .32s ease-in-out 5 alternate; }
.play .env { animation: env-pop .7s 1.7s ease-out forwards, env-open .5s 2.5s ease-in forwards; }
.play .env .flap { animation: flap .45s 2.45s ease-in forwards; }
@keyframes walk-in { from { transform: translateX(-120vw); } to { transform: translateX(-70px); } }
@keyframes bob { from { margin-bottom: 0; } to { margin-bottom: 7px; } }
@keyframes env-pop { 0% { opacity: 1; transform: translate(var(--lx), var(--ly)) scale(var(--ls)) rotate(var(--lr)); } 70% { transform: translate(70px, -46px) scale(1.05) rotate(3deg); opacity: 1; } 100% { opacity: 1; transform: translate(70px, -40px) scale(1) rotate(0); } }
@keyframes flap { to { transform: rotateX(180deg); } }
@keyframes env-open { to { opacity: 0; transform: translate(70px, -56px) scale(1.15); } }

.letter { opacity: 0; transform: translateY(18px) scale(.97); }
.play ~ .letter, .letter.show { animation: letter-in .6s 2.85s ease-out forwards; }
.skip .letter, .letter.now { animation: none !important; opacity: 1; transform: none; }
@keyframes letter-in { to { opacity: 1; transform: none; } }
.letter .paper { background: #fffdf8; border: 1px solid var(--line); border-radius: 16px; padding: 22px 18px 18px; position: relative;
  box-shadow: 0 6px 22px rgba(180, 140, 110, 0.16); border-top: 4px solid #f6c9c4; }
.letter .to { font-size: 15px; color: var(--soft); margin-bottom: 6px; }
.letter .msg { font-size: 20px; font-weight: 700; line-height: 1.6; letter-spacing: -0.3px; white-space: pre-wrap; word-break: keep-all; overflow-wrap: anywhere; }
.letter .from { margin-top: 14px; text-align: right; font-size: 15px; }
.letter .from b { color: var(--coral-d); }
.relay { text-align: center; margin: 14px 0 6px; font-size: 15px; }
.relay b { color: var(--coral-d); font-size: 18px; }
.mini { display: flex; justify-content: center; gap: 14px; margin-top: 10px; }
.mini button { background: none; border: 0; color: var(--soft); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; padding: 6px; }

.sheet-bg { position: fixed; inset: 0; background: rgba(40, 30, 30, .45); display: flex; align-items: flex-end; justify-content: center; z-index: 40; }
.sheet-bg[hidden] { display: none; }
.sheet { background: #fff; width: 100%; max-width: 440px; border-radius: 20px 20px 0 0; padding: 18px 18px 24px; }
.sheet h2 { font-size: 18px; margin: 0 0 6px; }
.sheet label { display: flex; gap: 8px; align-items: center; padding: 9px 0; font-size: 15px; border-bottom: 1px solid #f5ede6; }
.sheet input[type=radio] { width: 18px; height: 18px; accent-color: var(--coral); }

@media (prefers-reduced-motion: reduce) {
  .play .dog { animation: none; transform: translateX(-70px); }
  .play .dog img.a { animation: none; opacity: 0; }
  .play .dog img.b { animation: none; opacity: 1; }
  .play .env { animation: none; opacity: 0; }
  .letter { animation: none !important; opacity: 1; transform: none; }
}