:root {
  --bg: #f4f5fa;
  --card: #ffffff;
  --text: #171a23;
  --muted: #666d80;
  --line: #e2e5ee;
  --primary: #3b5bdb;
  --primary-ink: #ffffff;
  --primary-soft: #eef1fd;
  --danger: #d6455d;
  --shadow: 0 1px 2px rgba(20, 24, 40, .04), 0 10px 30px rgba(20, 24, 40, .07);
  --nav-h: 76px;
}
:root[data-theme="dark"] {
  --bg: #0f1116;
  --card: #1a1d26;
  --text: #eef0f5;
  --muted: #9aa1b4;
  --line: #2b2f3b;
  --primary: #8094ff;
  --primary-ink: #0f1220;
  --primary-soft: #242b47;
  --danger: #ff7b8e;
  --shadow: none;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100dvh;
  background: var(--bg); color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Noto Sans KR", "Noto Sans JP", "Noto Sans SC", "Apple SD Gothic Neo", "Malgun Gothic", "Hiragino Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-wrap: anywhere;
}
:root[data-theme="dark"] .sun { display: none; }
:root:not([data-theme="dark"]) .moon { display: none; }
[hidden] { display: none !important; }

/* 상단 */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  max-width: 560px; margin: 0 auto; padding: 12px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px);
}
.brand { font-weight: 800; font-size: 17px; display: flex; align-items: center; gap: 6px; }
.logo { height: 26px; width: auto; }
:root[data-theme="dark"] .logo-light { display: none; }
:root:not([data-theme="dark"]) .logo-dark { display: none; }
.tools { display: flex; gap: 8px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; font: inherit; font-size: 15px; font-weight: 600;
  color: var(--primary); background: var(--primary-soft); border: 1.5px solid var(--primary);
  border-radius: 999px; padding: 8px 12px; cursor: pointer; min-height: 40px;
}
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--card);
  color: var(--text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}

/* 진행 */
.progress-wrap { max-width: 560px; margin: 0 auto; padding: 0 16px 4px; display: flex; align-items: center; gap: 12px; }
.progress { flex: 1; height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar { height: 100%; width: 0; background: var(--primary); transition: width .3s ease; }
.progress-text { font-size: 13px; font-weight: 600; color: var(--muted); white-space: nowrap; }

/* 화면 */
.app { max-width: 560px; margin: 0 auto; padding: 8px 16px calc(var(--nav-h) + env(safe-area-inset-bottom) + 24px); }
.screen { animation: fade .22s ease; }
@keyframes fade { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }
.screen.back { animation-name: fadeBack; }
@keyframes fadeBack { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: none; } }

h1:focus, h2:focus { outline: none; }
h1 { font-size: 26px; line-height: 1.25; margin: 8px 0 8px; letter-spacing: -.2px; }
h2 { font-size: 22px; line-height: 1.3; margin: 4px 0 18px; letter-spacing: -.2px; }
h3 { font-size: 17px; margin: 4px 0 12px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.kicker { color: var(--primary); font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; margin: 10px 0 8px; }
.hint { color: var(--muted); font-size: 15px; margin: -8px 0 14px; }
.hint.small { font-size: 13px; line-height: 1.5; margin: 10px 0 0; white-space: pre-line; }
.hint.notice { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); }

/* 인트로 */
.lang-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 18px; }
.chip {
  font: inherit; font-size: 14px; font-weight: 600; padding: 8px 13px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; min-height: 38px;
}
.chip[aria-pressed="true"] { border-color: var(--primary); background: var(--primary); color: var(--primary-ink); }
.gift-cards { display: grid; gap: 10px; margin: 14px 0 14px; }
.gift {
  display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 14px; box-shadow: var(--shadow);
}
.gift-icon { font-size: 26px; line-height: 1; }
.gift strong { display: block; margin-bottom: 2px; font-size: 16px; }
.gift span { font-size: 15px; color: var(--muted); }

/* 선택지 */
.options { display: grid; gap: 10px; }
.opt {
  display: flex; align-items: center; gap: 14px; cursor: pointer; min-height: 56px;
  border: 1.5px solid var(--line); border-radius: 14px; padding: 14px 16px;
  background: var(--card); box-shadow: var(--shadow); font-size: 16px; line-height: 1.4;
  transition: border-color .12s, background .12s, transform .08s;
}
.opt:active { transform: scale(.985); }
.opt:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.opt:has(input:disabled) { opacity: .45; }
.opt input { width: 22px; height: 22px; margin: 0; accent-color: var(--primary); flex: 0 0 auto; }
.opt.consent { align-items: flex-start; }
.opt.consent input { margin-top: 2px; }

.select, .input {
  width: 100%; font: inherit; font-size: 17px; color: var(--text); min-height: 56px;
  background: var(--card); border: 1.5px solid var(--line); border-radius: 14px; padding: 14px 16px;
  box-shadow: var(--shadow);
}
.select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px; }
.select:focus, .input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.field { margin-bottom: 18px; }

.scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.scale button {
  font: inherit; font-size: 18px; font-weight: 700; color: var(--text); background: var(--card);
  border: 1.5px solid var(--line); border-radius: 14px; min-height: 60px; cursor: pointer; box-shadow: var(--shadow);
}
.scale button[aria-pressed="true"] { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.scale-labels { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; color: var(--muted); font-size: 13px; }
.scale-labels span:last-child { text-align: right; }

.idea { background: var(--primary-soft); border-radius: 14px; padding: 14px 14px 12px; margin: 0 0 18px; font-size: 16px; line-height: 1.45; }
.idea-lead { margin: 0 0 10px; font-weight: 700; }
/* 캐릭터는 우하단. 첫 줄은 전체 폭, 항목은 캐릭터 왼쪽으로 흐르고 캐릭터 아래로는 내려가지 않음(app.js 가 캐릭터 위치를 글 길이에 맞춤) */
.idea-body::after { content: ""; display: block; clear: both; }
.character {
  float: right; height: 168px; width: auto; margin: 0 0 0 12px;
  filter: drop-shadow(0 6px 10px rgba(20,24,40,.18));
}
.idea-body ul { margin: 0; padding: 0; list-style: none; }
.idea-body li { position: relative; padding-left: 16px; margin: 6px 0; }   /* overflow:hidden 을 쓰면 블록 전체가 플로트를 피해 좁아지므로 사용하지 않음 */
.idea-body li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }

.error { display: none; color: var(--danger); font-size: 14px; margin: 10px 0 0; }
.invalid .error, .error.show { display: block; }
.invalid .opt, .invalid .select, .invalid .input, .invalid .scale button { border-color: var(--danger); }
.hp { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.turnstile { margin: 12px 0 0; }

/* 버튼 */
.btn {
  font: inherit; font-size: 16px; font-weight: 700; border-radius: 14px; padding: 14px 20px; cursor: pointer;
  border: 1.5px solid transparent; min-height: 52px;
}
.btn.primary { background: var(--primary); color: var(--primary-ink); }
.btn.primary:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn.big { width: 100%; min-height: 56px; font-size: 17px; margin-top: 8px; }

.bottom {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; gap: 10px; max-width: 560px; margin: 0 auto;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}
.bottom .ghost { flex: 0 0 auto; min-width: 96px; }
.bottom .primary { flex: 1; }

.done { text-align: center; padding-top: 48px; }
.done .btn.big + .btn.big { margin-top: 10px; }
.done-icon { font-size: 56px; margin-bottom: 10px; }

/* 언어 시트 */
.sheet-backdrop { position: fixed; inset: 0; z-index: 20; background: rgba(0,0,0,.45); display: flex; align-items: flex-end; justify-content: center; }
.sheet {
  width: 100%; max-width: 560px; background: var(--card); border-radius: 20px 20px 0 0;
  padding: 10px 16px calc(20px + env(safe-area-inset-bottom)); animation: up .22s ease;
}
@keyframes up { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.sheet-handle { width: 40px; height: 4px; border-radius: 2px; background: var(--line); margin: 0 auto 12px; }
.sheet-actions { display: grid; gap: 10px; margin-top: 6px; }
.sheet-actions .btn.big { margin-top: 0; }
.lang-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lang-list button {
  font: inherit; font-size: 16px; font-weight: 600; min-height: 52px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--text); cursor: pointer; text-align: left; padding: 0 14px;
}
.lang-list button[aria-pressed="true"] { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }

@media (min-width: 600px) {
  .app { padding-top: 16px; padding-bottom: 40px; }
  .screen { background: var(--card); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); }
  .opt, .scale button, .select, .input, .gift { box-shadow: none; }
  /* 절충안: 데스크톱에서는 이전/다음 버튼을 하단 고정 대신 카드 안 본문 아래에 붙임 */
  .bottom {
    position: static; max-width: 528px; margin: 0 auto 40px; padding: 4px 24px 24px;   /* 528 = .app 560 - 좌우 패딩 32 */
    background: var(--card); border-top: 0; border-radius: 0 0 20px 20px; box-shadow: var(--shadow); backdrop-filter: none;
  }
  body:has(#bottom-nav:not([hidden])) .screen:not([hidden]) { border-radius: 20px 20px 0 0; box-shadow: none; padding-bottom: 12px; }
  body:has(#bottom-nav:not([hidden])) .app { padding-bottom: 0; }
}