/* =========================================================
   미래 트렌드 탐정 — style.css
   탐정 + 미래 도시 테마 / 난이도 / 최종 방탈출 / 증서
   ========================================================= */

:root {
  --bg-deep: #0b1437;
  --gold: #ffd34d;
  --gold-soft: #ffe9a8;
  --text: #f3f6ff;        /* 어두운 배경 위 기본 글씨 (밝게) */
  --text-dim: #c4cdf2;    /* 보조 글씨 (충분한 대비) */
  --ink: #2a2a2a;         /* 밝은 종이 위 글씨 */
  --paper: #fff8e7;
  --good: #2ec27e;
  --bad: #ff5e57;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Noto Sans KR", system-ui, sans-serif;
  background: radial-gradient(circle at 50% -10%, #25307a 0%, var(--bg-deep) 55%, #060b22 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.2px;
}

h1, h2, h3, .title, .btn, .cert-head, .door-name, .diff-name { font-family: "Jua", sans-serif; }

/* ---------- 별 배경 ---------- */
.stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 20% 30%, #fff, transparent),
    radial-gradient(2px 2px at 70% 20%, #fff, transparent),
    radial-gradient(1px 1px at 40% 70%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 85% 60%, #fff, transparent),
    radial-gradient(1px 1px at 55% 50%, #fff, transparent),
    radial-gradient(2px 2px at 10% 80%, #fff, transparent);
  opacity: .5; animation: twinkle 4s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .25; } to { opacity: .6; } }

/* ---------- 화면 전환 ---------- */
.screen {
  display: none; position: relative; z-index: 1;
  min-height: 100vh; padding: 28px 18px 60px;
  animation: fadeIn .5s ease;
}
.screen.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- 공통 버튼 ---------- */
.btn {
  cursor: pointer; border: none; border-radius: 999px;
  padding: 14px 26px; font-size: 1.08rem; color: var(--text);
  transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #ffb12e);
  color: #5a3d00; font-weight: 700; box-shadow: 0 8px 22px rgba(255,179,46,.45);
}
.btn-secondary { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn-hint {
  background: rgba(255,255,255,.12); color: var(--gold-soft);
  border: 1px dashed var(--gold); font-size: .98rem; padding: 10px 18px;
}
.btn-chip {
  cursor: pointer; background: rgba(255,255,255,.14); color: #fff;
  border: 1px solid rgba(255,211,77,.5); border-radius: 999px;
  padding: 8px 16px; font-size: .92rem; transition: background .15s;
}
.btn-chip:hover { background: rgba(255,211,77,.25); }
.btn-chip span { color: var(--gold); font-weight: 700; }

/* ---------- 상시 로비 버튼 ---------- */
.lobby-btn {
  position: fixed; top: 16px; left: 16px; z-index: 100;
  cursor: pointer; font-family: "Jua", sans-serif; font-size: .98rem;
  background: rgba(13,20,55,.85); color: var(--gold);
  border: 1.5px solid var(--gold); border-radius: 999px;
  padding: 9px 16px; box-shadow: 0 4px 14px rgba(0,0,0,.4);
  transition: background .15s, transform .12s;
}
.lobby-btn:hover { background: rgba(255,211,77,.25); transform: translateY(-2px); }
.lobby-btn.hidden { display: none; }

/* ---------- 인트로 ---------- */
#screen-intro.active { display: flex; align-items: center; justify-content: center; }
.intro-box {
  max-width: 640px; text-align: center;
  background: rgba(13,20,55,.72); border: 1px solid rgba(255,211,77,.35);
  border-radius: 28px; padding: 40px 34px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5); backdrop-filter: blur(4px);
}
.badge-emblem {
  font-size: 4.4rem; display: inline-block;
  filter: drop-shadow(0 0 16px rgba(255,211,77,.7));
  animation: float 3s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.title { font-size: 2.7rem; color: var(--gold); margin-top: 6px; letter-spacing: 2px; }
.subtitle { font-size: 1.35rem; color: var(--gold-soft); margin-bottom: 22px; }
.intro-message {
  background: rgba(255,255,255,.07); border-radius: 18px;
  padding: 20px 18px; line-height: 1.9; font-size: 1.05rem;
  color: var(--text); margin-bottom: 26px;
}
.intro-message p { margin: 8px 0; }
.intro-message b { color: var(--gold); }

/* ---------- 난이도 선택 ---------- */
#screen-difficulty.active { display: flex; align-items: center; justify-content: center; }
.diff-wrap { max-width: 900px; width: 100%; text-align: center; }
.diff-title { font-size: 2rem; color: var(--gold); }
.diff-sub { color: var(--text-dim); margin: 10px 0 28px; font-size: 1.02rem; }
.diff-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 18px; }
.diff-card {
  cursor: pointer; text-align: center; border-radius: 22px; padding: 28px 20px;
  background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  border: 2px solid rgba(255,255,255,.18);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s;
}
.diff-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 16px 34px rgba(0,0,0,.45); }
.diff-emoji { font-size: 3rem; }
.diff-name { font-size: 1.4rem; color: var(--gold); margin: 8px 0 4px; }
.diff-stars { color: var(--gold); letter-spacing: 3px; font-size: 1.1rem; margin-bottom: 8px; }
.diff-desc { color: var(--text-dim); font-size: .95rem; line-height: 1.55; }

/* ---------- 메인 맵 ---------- */
.map-header { text-align: center; max-width: 920px; margin: 0 auto 26px; }
.map-top { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.map-header h2 { font-size: 1.9rem; color: var(--gold); }
.map-guide { color: var(--text-dim); margin: 8px 0 18px; }

.inventory { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 10px; }
.key-slot {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; background: rgba(255,255,255,.07);
  border: 2px dashed rgba(255,255,255,.25); filter: grayscale(1) opacity(.45);
  transition: all .4s ease; position: relative;
}
.key-slot.filled {
  filter: none; border: 2px solid var(--gold);
  background: radial-gradient(circle, rgba(255,211,77,.4), rgba(255,211,77,.08));
  box-shadow: 0 0 18px rgba(255,211,77,.7); animation: keyPop .6s ease;
}
.key-slot .clue-mark {
  position: absolute; bottom: -8px; right: -6px;
  background: var(--gold); color: #4a3300; font-family: "Jua", sans-serif;
  font-size: .8rem; width: 22px; height: 22px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,.4);
}
@keyframes keyPop { 0% { transform: scale(0) rotate(-40deg); } 60% { transform: scale(1.35) rotate(10deg); } 100% { transform: scale(1) rotate(0); } }
.progress-text { color: var(--gold-soft); font-size: 1.05rem; }
.progress-text span { font-family: "Jua", sans-serif; font-size: 1.3rem; color: var(--gold); }

.map-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px; max-width: 920px; margin: 0 auto;
}
.door {
  position: relative; cursor: pointer; border-radius: 22px;
  padding: 22px 16px 18px; text-align: center; color: var(--text);
  background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.18);
  transition: transform .15s ease, box-shadow .15s ease; overflow: hidden;
}
.door:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(0,0,0,.45); }
.door .zone-no { font-size: .82rem; color: var(--text-dim); letter-spacing: 1px; }
.door .door-icon { font-size: 3rem; margin: 6px 0; filter: drop-shadow(0 0 10px rgba(255,255,255,.25)); }
.door .door-name { font-size: 1.18rem; }
.door .door-theme { font-size: .85rem; color: var(--text-dim); margin-top: 4px; }
.door .lock { position: absolute; top: 12px; right: 14px; font-size: 1.2rem; opacity: .9; }
.door.cleared { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(255,211,77,.4), 0 12px 28px rgba(255,211,77,.25); }
.door.cleared::after {
  content: "✔ 해결!"; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: "Jua", sans-serif; font-size: 1.5rem; color: var(--gold);
  background: rgba(11,20,55,.66);
}

/* ---------- 미션 모달 ---------- */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 50;
  background: rgba(4,8,24,.8); backdrop-filter: blur(3px);
  align-items: center; justify-content: center; padding: 18px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  position: relative; width: 100%; max-width: 540px; max-height: 92vh; overflow-y: auto;
  background: linear-gradient(180deg, #1b2664, #131c4d);
  border: 1px solid rgba(255,211,77,.4); border-radius: 24px; padding: 28px 24px;
  box-shadow: 0 24px 70px rgba(0,0,0,.6); animation: pop .35s cubic-bezier(.2,.8,.3,1.2);
}
@keyframes pop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-close {
  position: absolute; top: 14px; right: 14px;
  background: rgba(255,255,255,.12); color: #fff; border: none;
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 1rem;
}
.modal-close:hover { background: rgba(255,255,255,.25); }
.modal-zone-tag {
  display: inline-block; font-size: .84rem; padding: 5px 12px; border-radius: 999px;
  background: rgba(255,211,77,.18); color: var(--gold-soft); margin-bottom: 8px;
}
#modal-title { font-size: 1.55rem; color: var(--gold); margin-bottom: 12px; }
.story-card {
  background: rgba(255,255,255,.08); border-left: 4px solid var(--gold);
  border-radius: 12px; padding: 14px 16px; line-height: 1.8;
  font-size: 1rem; color: var(--text); margin-bottom: 16px;
}
.question { font-size: 1.14rem; font-weight: 700; margin-bottom: 16px; line-height: 1.6; color: #fff; }

.options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.option {
  text-align: left; cursor: pointer; padding: 14px 16px; border-radius: 14px;
  background: rgba(255,255,255,.1); border: 2px solid transparent;
  font-size: 1.02rem; color: #fff; transition: all .15s ease; line-height: 1.4;
}
.option:hover { background: rgba(255,255,255,.18); border-color: rgba(255,211,77,.5); }
.option .opt-label { font-family: "Jua", sans-serif; color: var(--gold); margin-right: 8px; }
.option.correct { background: rgba(46,194,126,.28); border-color: var(--good); }
.option.wrong { background: rgba(255,94,87,.24); border-color: var(--bad); }
.option:disabled { cursor: default; }

.hint-card {
  background: rgba(255,211,77,.14); border: 1px dashed var(--gold); border-radius: 12px;
  padding: 12px 14px; margin-bottom: 12px; color: var(--gold-soft); font-size: .97rem; line-height: 1.65;
}
.hidden { display: none; }

.feedback { border-radius: 14px; padding: 14px 16px; line-height: 1.7; animation: fadeIn .3s ease; color: var(--text); }
.feedback.ok { background: rgba(46,194,126,.2); border: 1px solid var(--good); }
.feedback.no { background: rgba(255,94,87,.18); border: 1px solid var(--bad); }
.feedback h4 { font-family: "Jua", sans-serif; margin-bottom: 8px; font-size: 1.2rem; color: #fff; }
.clue-reveal {
  margin: 10px 0; font-size: 1.02rem; background: rgba(255,211,77,.16);
  border: 1px dashed var(--gold); border-radius: 10px; padding: 10px 12px; color: var(--gold-soft);
}
.clue-reveal b { color: var(--gold); font-family: "Jua", sans-serif; font-size: 1.3rem; }
.jobs { margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
.job { background: rgba(255,255,255,.1); border-radius: 10px; padding: 10px 12px; font-size: .95rem; }
.job b { color: var(--gold); }
.feedback .btn { margin-top: 14px; width: 100%; }

/* ---------- 최종 관문 (방탈출) ---------- */
#screen-final.active { display: flex; align-items: center; justify-content: center; }
.final-wrap {
  max-width: 640px; width: 100%; text-align: center;
  background: rgba(13,20,55,.74); border: 1px solid rgba(255,211,77,.4);
  border-radius: 28px; padding: 34px 26px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.lock-emblem { font-size: 4rem; filter: drop-shadow(0 0 16px rgba(255,211,77,.6)); }
.lock-emblem.open { animation: keyPop .6s ease; }
.final-title { font-size: 1.8rem; color: var(--gold); margin: 6px 0 12px; }
.final-sub { color: var(--text); line-height: 1.8; margin-bottom: 14px; }
.final-sub b { color: var(--gold); }
.final-hint {
  background: rgba(255,211,77,.12); border: 1px dashed var(--gold); border-radius: 12px;
  padding: 10px 14px; color: var(--gold-soft); font-size: .97rem; margin-bottom: 22px;
}
.answer-slots { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.slot {
  width: 54px; height: 60px; border-radius: 12px;
  background: rgba(255,255,255,.06); border: 2px dashed rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  font-family: "Jua", sans-serif; font-size: 1.7rem; color: var(--gold); cursor: pointer;
  transition: all .15s;
}
.slot.filled { border-style: solid; border-color: var(--gold); background: rgba(255,211,77,.16); }
.tile-guide { color: var(--text-dim); font-size: .9rem; margin-bottom: 10px; }
.tile-bank { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 8px; }
.tile {
  width: 54px; height: 60px; border-radius: 12px; cursor: pointer;
  background: linear-gradient(160deg, #2a3a8c, #1d2a6e);
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: "Jua", sans-serif; font-size: 1.7rem; color: #fff;
  box-shadow: 0 6px 14px rgba(0,0,0,.4); transition: transform .12s, opacity .12s;
}
.tile:hover { transform: translateY(-3px); }
.tile.used { opacity: .25; pointer-events: none; }
.final-feedback { margin: 14px 0; border-radius: 12px; padding: 12px 14px; font-size: 1rem; line-height: 1.6; }
.final-feedback.ok { background: rgba(46,194,126,.2); border: 1px solid var(--good); color: #d8ffe9; }
.final-feedback.no { background: rgba(255,94,87,.18); border: 1px solid var(--bad); color: #ffd9d7; }
.final-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.shake { animation: shake .4s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-8px)} 75%{transform:translateX(8px)} }

/* ---------- 엔딩 / 증서 ---------- */
#screen-ending.active { display: flex; flex-direction: column; align-items: center; }
.ending-head { color: var(--gold); font-size: 1.7rem; text-align: center; margin-bottom: 16px; }
.certificate { width: 100%; max-width: 560px; margin: 0 auto 24px; }
.cert-border {
  background: var(--paper); color: var(--ink);
  border: 10px double #c9a227; border-radius: 14px;
  padding: 34px 28px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.cert-emblem { font-size: 3.4rem; }
.cert-head { font-size: 1.9rem; color: #8a6c10; letter-spacing: 3px; margin: 8px 0 18px; }
.cert-line { font-size: 1.05rem; line-height: 2; color: #2a2a2a; }
.cert-line b { color: #a8780a; }
.cert-name-row {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin: 22px 0 16px; font-family: "Jua", sans-serif; font-size: 1.15rem; color: #2a2a2a;
}
.cert-name-row input {
  font-family: "Jua", sans-serif; font-size: 1.25rem; text-align: center;
  border: none; border-bottom: 3px solid #c9a227; background: transparent;
  color: #1c1c1c; width: 200px; padding: 4px; outline: none;
}
.cert-keys { font-size: 1.5rem; letter-spacing: 4px; margin: 10px 0; }
.cert-grade { font-family: "Jua", sans-serif; color: #7a5e0c; font-size: 1.05rem; margin-top: 6px; }
.cert-date { margin-top: 12px; color: #5b5430; }
.cert-sign { font-family: "Jua", sans-serif; font-size: 1.3rem; margin-top: 6px; color: #6b5a14; }
.ending-buttons { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ---------- 컨페티 ---------- */
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 5; overflow: hidden; }
.confetti i { position: absolute; top: -20px; width: 10px; height: 14px; opacity: .9; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(720deg); opacity: 0; } }

/* ---------- 반응형 ---------- */
@media (max-width: 520px) {
  .title { font-size: 2.1rem; }
  .map-grid { grid-template-columns: repeat(2, 1fr); }
  .key-slot { width: 44px; height: 44px; font-size: 1.3rem; }
  .slot, .tile { width: 42px; height: 50px; font-size: 1.35rem; }
}