/* ============================================================
   Tabidacchi 공통 디자인 시스템
   "차원 연합 도안제작소" — 앤틱, 고딕, 따뜻한 골드+딥퍼플 톤
   모든 페이지(login/lobby/sessions/guide/board)가 이 변수를 공유.
   ============================================================ */

:root {
  /* 색상 */
  --color-bg-deep:     #0b0a14;   /* 가장 어두운 배경 */
  --color-bg-panel:    #14121f;   /* 패널/카드 배경 */
  --color-bg-panel-2:  #1c1830;   /* 패널 강조 배경 */
  --color-ink:         #e8e1d0;   /* 본문 글자(앤틱 종이색) */
  --color-ink-dim:     rgba(232,225,208,.6);
  --color-ink-faint:   rgba(232,225,208,.35);
  --color-gold:        #c9a876;   /* 포인트 골드 */
  --color-gold-bright: #e3c896;
  --color-gold-dark:   #8a6f43;
  --color-purple:      #4a3f6e;   /* 보조 포인트(차원/마법 느낌) */
  --color-danger:      #e08787;
  --color-success:     #87c89a;
  --color-border:      rgba(201,168,118,.35);
  --color-border-faint:rgba(232,225,208,.18);

  /* 타이포 */
  --font-serif: 'Noto Serif KR', serif;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 28px;

  /* 레이아웃 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-soft: 0 8px 30px rgba(0,0,0,.5);
  --shadow-glow: 0 0 18px rgba(201,168,118,.55);

  /* 트랜지션 */
  --ease-soft: cubic-bezier(.4,0,.2,1);
  --dur-fast: .2s;
  --dur-med: .5s;
  --dur-slow: 1.1s;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--color-bg-deep);
  color: var(--color-ink);
  font-family: var(--font-serif);
}

a { color: var(--color-gold); text-decoration: none; }
a:hover { color: var(--color-gold-bright); }

/* ── 공통 버튼 ── */
.btn {
  display: inline-block; padding: 10px 20px;
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
  border: none; border-radius: var(--radius-sm);
  color: var(--color-bg-deep); font-weight: 600; font-size: var(--font-size-base);
  cursor: pointer; font-family: inherit;
  transition: filter var(--dur-fast), transform var(--dur-fast);
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.btn-ghost {
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-ink);
}
.btn.btn-ghost:hover { border-color: var(--color-gold); color: var(--color-gold-bright); }
.btn.btn-danger { background: linear-gradient(135deg, #7a3c3c, var(--color-danger)); color: #fff; }
.btn:disabled { opacity: .4; cursor: not-allowed; filter: none; transform: none; }

/* ── 공통 입력 ── */
.input {
  width: 100%; padding: 10px 12px;
  background: rgba(232,225,208,.06); border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-sm); color: var(--color-ink);
  font-size: var(--font-size-base); font-family: inherit;
}
.input:focus { outline: none; border-color: var(--color-gold); }
.input::placeholder { color: var(--color-ink-faint); }

/* ── 공통 패널/카드 ── */
.panel {
  background: rgba(20,16,30,.88);
  border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}
.card {
  background: var(--color-bg-panel-2);
  border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
}
.card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ── 고서/마법서 느낌 탭(메인 화면 핵심 UI) ── */
.tab-book {
  padding: 14px 18px; background: rgba(40,32,20,.75);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink); font-size: var(--font-size-base);
  cursor: pointer; transition: all var(--dur-fast) var(--ease-soft);
  display: flex; align-items: center; gap: 10px;
}
.tab-book:hover {
  box-shadow: var(--shadow-glow);
  border-color: var(--color-gold);
  transform: translateX(6px);
}
.tab-book .icon { width: 22px; height: 22px; flex-shrink: 0; opacity: .9; }
.tab-book .icon-fallback { font-size: 18px; }

/* ── 페이드/슬라이드 등장 애니메이션(공통 유틸) ── */
.fade-in {
  opacity: 0; transition: opacity var(--dur-slow) var(--ease-soft);
}
.fade-in.show { opacity: 1; }

.rise-in {
  opacity: 0; transform: translateY(16px);
  transition: opacity var(--dur-med) var(--ease-soft), transform var(--dur-med) var(--ease-soft);
}
.rise-in.show { opacity: 1; transform: translateY(0); }

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer-text {
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-bright) 50%, var(--color-gold) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 3s linear infinite;
}

/* ── 스크롤바(앤틱 톤으로 통일) ── */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--color-gold-dark); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ── 공통 네비게이션 바(로그인 후 모든 페이지 상단) ── */
.topnav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px;
  background: rgba(11,10,20,.92);
  border-bottom: 1px solid var(--color-border-faint);
  backdrop-filter: blur(6px);
}
.topnav .brand { font-size: var(--font-size-md); color: var(--color-gold); letter-spacing: 1px; }
.topnav .nav-links { display: flex; gap: 18px; align-items: center; }
.topnav .nav-links a, .topnav .nav-links span {
  font-size: var(--font-size-base); color: var(--color-ink-dim); cursor: pointer;
}
.topnav .nav-links a:hover, .topnav .nav-links span:hover { color: var(--color-gold-bright); }
.topnav .nav-links .active { color: var(--color-gold); }

/* ── 토스트(가벼운 알림) ── */
#toast-root {
  position: fixed; top: 70px; right: 20px; z-index: 999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 18px; background: var(--color-bg-panel-2);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: var(--color-ink); font-size: var(--font-size-base);
  box-shadow: var(--shadow-soft);
  animation: toast-in .3s var(--ease-soft);
}
.toast.error { border-color: var(--color-danger); }
.toast.success { border-color: var(--color-success); }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ── 미요 대화창(전역 공통 컴포넌트) ── */
.miyo-dialogue {
  background: rgba(20,16,30,.9);
  border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  backdrop-filter: blur(4px);
}
.miyo-dialogue .name { font-size: var(--font-size-sm); color: var(--color-gold); letter-spacing: 2px; margin-bottom: 6px; }
.miyo-dialogue .text { font-size: var(--font-size-md); line-height: 1.7; min-height: 28px; }

/* ── 키 게이트 모달("여관 입장") ── */
.key-gate-overlay {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(5,4,10,.82); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  animation: toast-in .25s var(--ease-soft);
}
.key-gate-modal {
  width: min(420px, 90vw); padding: 28px 26px;
}

/* ── 반응형 기본 ── */
@media (max-width: 720px) {
  .topnav { padding: 8px 14px; }
  .topnav .nav-links { gap: 10px; }
}

/* ============================================================
   추가: 정교한 상호작용 이펙트 + 미요 하단 자막바 + 플랫 네비
   (유니코드 이모지 제거, 인라인 SVG 아이콘 .tabi-icon 사용)
   ============================================================ */

/* ── 커스텀 아이콘 공통 ── */
.tabi-icon { display: inline-block; vertical-align: -0.18em; }
.tabi-icon-wrap { line-height: 0; }
.tabi-icon-img { display: inline-block; vertical-align: -0.18em; }

/* ── 네비게이션: 플랫하고 직관적인 라벨 + 아이콘 ── */
.topnav .brand { cursor: pointer; font-weight: 700; }
.topnav .nav-links { gap: 6px; }
.topnav .nav-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--radius-sm);
  color: var(--color-ink-dim); cursor: pointer;
  transition: background var(--dur-fast) var(--ease-soft),
              color var(--dur-fast) var(--ease-soft),
              transform var(--dur-fast) var(--ease-soft);
}
.topnav .nav-item:hover { color: var(--color-gold-bright); background: rgba(201,168,118,.10); transform: translateY(-1px); }
.topnav .nav-item.active { color: var(--color-gold); background: rgba(201,168,118,.14); }
.topnav .nav-item .nav-label { font-size: var(--font-size-base); }
.topnav .nav-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
  color: var(--color-ink-dim); transition: all var(--dur-fast) var(--ease-soft);
}
.topnav .nav-icon-btn:hover { color: var(--color-gold-bright); background: rgba(201,168,118,.12); }
.topnav .nav-nick { color: var(--color-ink-dim); font-size: var(--font-size-sm); margin-left: 8px; }
.topnav .nav-logout { color: var(--color-ink-faint); font-size: var(--font-size-sm); cursor: pointer; }
.topnav .nav-logout:hover { color: var(--color-danger); }

@media (max-width: 860px) {
  .topnav .nav-item .nav-label { display: none; }   /* 모바일: 아이콘만 */
  .topnav .nav-nick { display: none; }
}

/* ── 클릭 리플(잔물결) — 모든 .btn/.tab-book/.card/칩 ── */
.ripple-host { position: relative; overflow: hidden; }
.ripple {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(227,200,150,.55) 0%, rgba(227,200,150,0) 70%);
  transform: scale(0); animation: ripple-out .6s var(--ease-soft) forwards;
}
@keyframes ripple-out { to { transform: scale(2.6); opacity: 0; } }

/* ── 순차 등장(stagger) ── */
.stagger-item {
  opacity: 0; transform: translateY(14px) scale(.985);
  transition: opacity .45s var(--ease-soft), transform .45s var(--ease-soft);
}
.stagger-item.show { opacity: 1; transform: translateY(0) scale(1); }

/* ── 버튼/카드 인터랙션 강화 ── */
.btn { position: relative; }
.btn:hover { box-shadow: 0 4px 16px rgba(201,168,118,.30); }
.tab-book:active, .btn:active, .card:active { transform: translateY(0) scale(.99); }

/* 포커스 접근성(키보드) */
.btn:focus-visible, .tab-book:focus-visible, .nav-item:focus-visible, .input:focus-visible {
  outline: 2px solid var(--color-gold); outline-offset: 2px;
}

/* ── 미요 하단 자막바 (블루 아카이브 메모리얼 스타일) ── */
.miyo-subtitle {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  display: flex; align-items: flex-end; gap: 0;
  padding: 0 max(24px, 5vw) 22px;
  pointer-events: none;
  transform: translateY(120%); opacity: 0;
  transition: transform .55s var(--ease-soft), opacity .55s var(--ease-soft);
}
.miyo-subtitle--visible { transform: translateY(0); opacity: 1; }

.miyo-subtitle__portrait-wrap {
  flex-shrink: 0; width: 132px; height: 168px; margin-right: -8px;
  display: flex; align-items: flex-end; justify-content: center;
  pointer-events: none;
}
.miyo-subtitle__portrait {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,.55));
  transform: translateY(8px);
}

.miyo-subtitle__body {
  flex: 1; pointer-events: auto; cursor: pointer;
  background: linear-gradient(180deg, rgba(20,16,30,.86), rgba(11,10,20,.94));
  border: 1px solid var(--color-border-faint);
  border-bottom: 2px solid var(--color-gold-dark);
  border-radius: var(--radius-md);
  padding: 14px 26px 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 -4px 30px rgba(0,0,0,.4);
  min-height: 64px;
}
.miyo-subtitle__name {
  display: inline-block; font-size: var(--font-size-sm); letter-spacing: 3px;
  color: var(--color-gold-bright); margin-bottom: 4px;
  padding: 1px 10px; border-radius: 10px; background: rgba(201,168,118,.12);
}
.miyo-subtitle__text {
  font-size: var(--font-size-md); line-height: 1.7; color: var(--color-ink);
  min-height: 26px;
}
.miyo-subtitle__text::after { content: '▍'; color: var(--color-gold); animation: caret 1s steps(1) infinite; margin-left: 1px; opacity: .7; }
@keyframes caret { 50% { opacity: 0; } }

.miyo-subtitle__hint {
  position: absolute; right: max(24px,5vw); bottom: 26px;
  font-size: 11px; color: var(--color-ink-faint); pointer-events: none;
  letter-spacing: 1px;
}

/* 자막 교체 시 페이드/슬라이드 인 */
.miyo-subtitle .miyo-subtitle__body { transition: opacity .22s var(--ease-soft), transform .22s var(--ease-soft); opacity: .25; transform: translateY(6px); }
.miyo-subtitle--in .miyo-subtitle__body { opacity: 1; transform: translateY(0); }
.miyo-subtitle .miyo-subtitle__portrait { transition: opacity .25s var(--ease-soft); opacity: .35; }
.miyo-subtitle--in .miyo-subtitle__portrait { opacity: 1; }

@media (max-width: 720px) {
  .miyo-subtitle__portrait-wrap { width: 84px; height: 110px; }
  .miyo-subtitle__hint { display: none; }
  .miyo-subtitle { padding: 0 14px 14px; }
}

/* 모션 최소화 선호 존중 */
@media (prefers-reduced-motion: reduce) {
  .ripple, .miyo-subtitle__text::after { animation: none; }
  .stagger-item, .miyo-subtitle, .fade-in, .rise-in { transition: none !important; }
}

/* 자막바가 떠 있는 페이지는 본문 하단 여백 확보(겹침 방지) */
body.has-miyo-subtitle { padding-bottom: 190px; }
@media (max-width: 720px) { body.has-miyo-subtitle { padding-bottom: 150px; } }

/* ============================================================
   추가 2차: 설정 모달 / 미요 자막바 리디자인 / 풀블리드 배경
   ============================================================ */

/* ── 설정(톱니바퀴) 모달 ── */
.settings-overlay {
  position: fixed; inset: 0; z-index: 920;
  background: rgba(5,4,10,.78); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  animation: toast-in .22s var(--ease-soft);
}
.settings-modal { width: min(440px, 92vw); padding: 0; overflow: hidden; border-radius: var(--radius-lg); }
.settings-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--color-border-faint);
}
.settings-head h2 { margin: 0; font-size: var(--font-size-lg); color: var(--color-gold); }
.settings-close {
  background: none; border: none; color: var(--color-ink-dim); cursor: pointer;
  display: inline-flex; padding: 4px; border-radius: 8px; transition: all var(--dur-fast);
}
.settings-close:hover { color: var(--color-gold-bright); background: rgba(201,168,118,.12); }
.settings-body { padding: 18px 22px 24px; display: flex; flex-direction: column; gap: 18px; }
.settings-row { display: flex; flex-direction: column; gap: 8px; }
.settings-label { font-size: var(--font-size-base); color: var(--color-ink-dim); }
.settings-label b { color: var(--color-gold-bright); font-weight: 600; float: right; }
.settings-toggle { flex-direction: row; align-items: center; justify-content: space-between; cursor: pointer; }
.settings-toggle span { font-size: var(--font-size-base); color: var(--color-ink); }
.settings-row input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px;
  border-radius: 3px; background: rgba(232,225,208,.14); outline: none; cursor: pointer;
}
.settings-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-bright));
  box-shadow: 0 2px 8px rgba(0,0,0,.4); transition: transform .12s;
}
.settings-row input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.settings-row input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border: none; border-radius: 50%;
  background: var(--color-gold);
}
.settings-toggle input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--color-gold); cursor: pointer; }

/* ── 미요 하단 자막바 리디자인(더 크게, 둥글게, 테두리·여백 확보) ── */
.miyo-subtitle {
  align-items: flex-end;
  padding: 0 max(28px, 5vw) 26px;
}
.miyo-subtitle__portrait-wrap {
  width: 168px; height: 200px; margin-right: -18px; z-index: 2;
  overflow: visible;
}
/* 초상화: 원형 프레임 + 골드 테두리. 잘리지 않게 contain. */
.miyo-subtitle__portrait {
  width: 168px; height: 168px; border-radius: 50%;
  object-fit: cover; object-position: top center;
  border: 3px solid var(--color-gold);
  background: radial-gradient(circle at 50% 30%, var(--color-bg-panel-2), var(--color-bg-deep));
  box-shadow: 0 8px 28px rgba(0,0,0,.6), 0 0 0 6px rgba(201,168,118,.10);
  transform: translateY(0);
}
.miyo-subtitle__body {
  border-radius: 20px;
  border: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 30px 18px 44px;
  margin-left: 0;
  box-shadow: 0 8px 36px rgba(0,0,0,.5);
  min-height: 78px;
  position: relative;
}
/* 말풍선 꼬리(초상화 쪽을 향하는 작은 삼각형) */
.miyo-subtitle__body::before {
  content: ''; position: absolute; left: -9px; bottom: 26px;
  width: 18px; height: 18px; transform: rotate(45deg);
  background: rgba(20,16,30,.92);
  border-left: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
}
.miyo-subtitle__name {
  font-size: var(--font-size-sm); letter-spacing: 3px;
  color: var(--color-gold-bright);
  padding: 2px 12px; border-radius: 12px; background: rgba(201,168,118,.14);
}
.miyo-subtitle__text { font-size: var(--font-size-md); }
.miyo-subtitle__hint { right: max(28px,5vw); bottom: 30px; }

@media (max-width: 720px) {
  .miyo-subtitle__portrait-wrap { width: 96px; height: 110px; margin-right: -14px; }
  .miyo-subtitle__portrait { width: 96px; height: 96px; }
  .miyo-subtitle__body { padding: 14px 18px 14px 28px; border-radius: 16px; }
}

/* ── 풀블리드 로비 배경(일러스트가 화면을 꽉 채움) ── */
.lobby-bg-full {
  position: fixed; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
}
/* 가독성을 위한 어두운 비네트 오버레이 */
.lobby-bg-full::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,10,20,.55) 0%, rgba(11,10,20,.35) 40%, rgba(11,10,20,.75) 100%),
    radial-gradient(120% 80% at 70% 30%, transparent 30%, rgba(11,10,20,.6) 100%);
}