/* =========================================================
   ARISA · LAST LIVE — arisa-theme.css
   아리사 전용 핑크 테마. 색은 모두 이 파일의 변수로만 정의합니다.
   (다른 서비스의 CSS 변수나 파일을 참조하지 않습니다)
   구성: 1) 색상 토큰  2) 기본 규칙  3) 배경  4) 떠다니는 이모지  5) 공통 부품  6) 움직임 줄이기
   ========================================================= */

/* ---------- 1) 색상 토큰 ---------- */
.arisa-theme {
  --arisa-bg-1: #FFF4F7;
  --arisa-bg-2: #F5C9D9;
  --arisa-bg-3: #E9A9C4;

  --arisa-pink-light: #FBE0EA;
  --arisa-pink: #D979A0;
  --arisa-rose: #AD3E6C;
  --arisa-rose-dark: #873253;

  --arisa-text: #4E303D;
  --arisa-text-sub: #775763;

  --arisa-paper: #FFFDF9;
  --arisa-paper-line: #F4DCE4;

  --arisa-card-bg: rgba(255, 252, 253, 0.82);
  --arisa-card-border: rgba(255, 255, 255, 0.85);

  --arisa-glow: rgba(255, 119, 173, 0.30);
  --arisa-shadow: rgba(145, 55, 94, 0.14);

  /* 확장 토큰 */
  --arisa-danger: #A32653;
  --arisa-cream: #F7E4CE;
  --arisa-placeholder: #8C6B78;
  --arisa-line: rgba(173, 62, 108, 0.24);
  --arisa-btn: linear-gradient(135deg, #AD3E6C 0%, #AD3E6C 40%, #C9638C 100%);

  --card-shadow: 0 12px 36px var(--arisa-shadow), 0 2px 8px rgba(145, 55, 94, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --paper-line: 30px;
  --paper-pad-y: 14px;

  --font-emoji: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";
  --font-ko: "Pretendard", "Pretendard Variable", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "맑은 고딕",
    "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, -apple-system, "Segoe UI", sans-serif, var(--font-emoji);
  --font-ja: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Meiryo", "Noto Sans JP",
    "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, -apple-system, "Segoe UI", sans-serif, var(--font-emoji);
}

/* ---------- 2) 기본 규칙 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  background: #F5C9D9;
}

.arisa-theme {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  font-family: var(--font-ko);
  color: var(--arisa-text);
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

html:lang(ja) .arisa-theme {
  font-family: var(--font-ja);
  word-break: normal;
  line-break: strict;
}

.arisa-theme p,
.arisa-theme h1,
.arisa-theme h2,
.arisa-theme ul {
  margin: 0;
}

.arisa-theme button,
.arisa-theme input,
.arisa-theme textarea,
.arisa-theme select {
  font: inherit;
  color: inherit;
}

.arisa-theme :focus-visible {
  outline: 3px solid var(--arisa-rose);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3) 배경: 끝까지 핑크 ----------
   겹겹의 radial-gradient 만 사용합니다. (이미지·캔버스·blur 없음)
   - 위쪽의 옅은 핑크빛 광원 / 가운데의 부드러운 크림빛 조명 / 가장자리의 흐릿한 로즈 음영
   - 아주 천천히 움직이는 반투명 핑크빛 (arisa-stage__drift) */
.arisa-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(ellipse 72% 40% at 50% -4%, rgba(255, 213, 229, 0.9), rgba(255, 213, 229, 0) 70%),
    radial-gradient(ellipse 56% 42% at 50% 38%, rgba(255, 247, 236, 0.66), rgba(255, 247, 236, 0) 72%),
    radial-gradient(ellipse 90% 34% at 50% 108%, rgba(173, 62, 108, 0.24), rgba(173, 62, 108, 0) 72%),
    radial-gradient(ellipse 30% 72% at -4% 52%, rgba(173, 62, 108, 0.14), rgba(173, 62, 108, 0) 72%),
    radial-gradient(ellipse 30% 72% at 104% 52%, rgba(173, 62, 108, 0.14), rgba(173, 62, 108, 0) 72%),
    linear-gradient(165deg, #FFF4F7 0%, #F5C9D9 52%, #E9A9C4 100%);
}

.arisa-stage::before {
  content: "";
  position: absolute;
  top: -6%;
  left: 50%;
  width: min(820px, 130vw);
  height: 70%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse 50% 60% at 50% 18%, rgba(255, 236, 244, 0.55), rgba(255, 236, 244, 0) 72%);
  animation: arisaLightBreathe 16s ease-in-out infinite alternate;
}

.arisa-stage__drift {
  position: absolute;
  inset: -18%;
  background:
    radial-gradient(circle at 24% 28%, rgba(255, 119, 173, 0.17), rgba(255, 119, 173, 0) 38%),
    radial-gradient(circle at 74% 66%, rgba(255, 166, 200, 0.15), rgba(255, 166, 200, 0) 40%);
  animation: arisaDrift 54s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes arisaLightBreathe {
  from { opacity: 0.7; }
  to { opacity: 1; }
}

@keyframes arisaDrift {
  from { transform: translate3d(-3%, -2%, 0); }
  to { transform: translate3d(3%, 3%, 0); }
}

/* ---------- 4) 배경 이모지: Enchanted Pink → Disenchanted ----------
   한 개의 이모지는 네 겹으로 나뉩니다. (transform 이 서로 부딪히지 않도록)
   .ae        바깥: 위치와 느린 이동 (fall / sway / rise / glow)
   .ae__life  안쪽: 나타남 → 사라짐 (opacity, scale, 채도)
   .ae__glyph 이모지 글자: 반짝임 (좌우 흔들림, 미세한 회전, 밝기)
   .ae__halo  핑크빛 후광 (이모지 색을 바꾸는 대신 별도 층으로 표현)
   --dur 이 같아서 이동·후광·입자가 한 생명주기 안에서 함께 움직입니다. */
.emoji-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  transition: opacity 0.6s ease;
}

.emoji-layer.is-dim {
  opacity: 0.3;
}

.ae {
  position: absolute;
  top: calc(var(--y) * 1%);
  left: clamp(0px, calc(var(--x) * 1% - var(--size) / 2), calc(100% - var(--size)));
  width: var(--size);
  height: var(--size);
  font-size: var(--size);
  line-height: 1;
  animation-duration: var(--dur);
  animation-delay: var(--delay);
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  will-change: transform;
}

.ae.is-fall { animation-name: arisaFall; }
.ae.is-sway { animation-name: arisaSway; }
.ae.is-rise { animation-name: arisaRise; }
.ae.is-glow { animation-name: arisaFloat; }

.ae__life,
.ae__glyph,
.ae__halo,
.ae__p {
  position: absolute;
  animation-duration: var(--dur);
  animation-delay: var(--delay);
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

.ae__life {
  inset: 0;
  opacity: 0.55; /* 움직임을 끈 상태의 정지 모습 */
  animation-name: arisaDisenchant;
}

.ae__halo {
  left: 50%;
  top: 50%;
  width: 2.3em;
  height: 2.3em;
  margin: -1.15em 0 0 -1.15em;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 119, 173, 0.46), rgba(255, 119, 173, 0.18) 42%, rgba(255, 119, 173, 0) 70%);
  opacity: 0.55;
  animation-name: arisaHalo;
}

.ae__glyph {
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-emoji), sans-serif;
  animation-name: arisaShimmer;
}

/* 반짝이는 작은 별 (CSS 도형) */
.ae__p {
  left: 50%;
  top: 50%;
  opacity: 0;
}

.ae__p--star {
  width: 0.34em;
  height: 0.34em;
  background: #fff4f9;
  box-shadow: 0 0 0.25em rgba(255, 119, 173, 0.8);
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
}

.ae__p--a { margin: -0.95em 0 0 0.5em; animation-name: arisaSparkleA; }
.ae__p--b { margin: 0.35em 0 0 -0.95em; animation-name: arisaSparkleB; }

/* 흩어지는 작은 입자 (CSS 도형): 하나는 위로, 하나는 아래로 */
.ae__p--dust {
  width: 0.2em;
  height: 0.2em;
  border-radius: 50%;
  background: #F6B5CD;
}

.ae__p--up { margin: -0.1em 0 0 -0.4em; animation-name: arisaDustUp; }
.ae__p--down { margin: 0.1em 0 0 0.3em; animation-name: arisaDustDown; background: #E9A9C4; }

/* 느린 이동: 위치만 바꿈. 이모지가 보이는 동안(생명주기 전체)에 걸쳐 아주 조금만 움직임 */
@keyframes arisaFall {
  0% { transform: translate(0, -18px) rotate(-5deg); }
  50% { transform: translate(7px, 14px) rotate(3deg); }
  100% { transform: translate(0, 46px) rotate(-3deg); }
}

@keyframes arisaSway {
  0% { transform: translate(-10px, -6px) rotate(-8deg); }
  50% { transform: translate(4px, 5px) rotate(3deg); }
  100% { transform: translate(10px, 10px) rotate(8deg); }
}

@keyframes arisaRise {
  0% { transform: translate(0, 30px); }
  50% { transform: translate(-7px, -8px); }
  100% { transform: translate(0, -44px); }
}

@keyframes arisaFloat {
  0% { transform: translate(0, 8px); }
  50% { transform: translate(5px, -6px); }
  100% { transform: translate(0, -12px); }
}

/* 1 Enchant → 2 Shimmer → 3 Disenchant → 4 Dissolve → (사라진 채 잠시 쉬었다가) 5 Reappear */
@keyframes arisaDisenchant {
  0% { opacity: 0; filter: saturate(1.2) brightness(1.08); transform: scale(0.85); }
  16% { opacity: 0.88; filter: saturate(1.2) brightness(1.12); transform: scale(1.05); }
  42% { opacity: 0.9; filter: saturate(1.05); transform: scale(1); }
  72% { opacity: 0.48; filter: saturate(0.55) brightness(1); transform: scale(0.94); }
  92% { opacity: 0.04; filter: saturate(0.1); transform: scale(0.82); }
  100% { opacity: 0; filter: saturate(0); transform: scale(0.8); }
}

/* 후광: 나타날 때 켜지고, 반짝일 때 숨 쉬듯 밝아지고, 풀릴 때 줄어듦 */
@keyframes arisaHalo {
  0% { opacity: 0; transform: scale(0.6); }
  16% { opacity: 0.95; transform: scale(1.05); }
  26% { opacity: 1; transform: scale(1.12); }
  34% { opacity: 0.8; transform: scale(1); }
  42% { opacity: 0.95; transform: scale(1.08); }
  72% { opacity: 0.12; transform: scale(0.86); }
  100% { opacity: 0; transform: scale(0.7); }
}

/* 반짝임: 16~42% 사이에만 좌우로 흔들리고 미세하게 회전, 밝기가 오르내림 */
@keyframes arisaShimmer {
  0%, 16% { transform: translateX(0) rotate(0deg); filter: brightness(1); }
  21% { transform: translateX(-2px) rotate(-3deg); filter: brightness(1.14); }
  27% { transform: translateX(2px) rotate(3deg); filter: brightness(1.04); }
  33% { transform: translateX(-2px) rotate(-2deg); filter: brightness(1.14); }
  39% { transform: translateX(1px) rotate(2deg); filter: brightness(1.04); }
  44%, 100% { transform: translateX(0) rotate(0deg); filter: brightness(1); }
}

@keyframes arisaSparkleA {
  0%, 17% { opacity: 0; transform: scale(0.2) rotate(0deg); }
  22% { opacity: 0.95; transform: scale(1) rotate(25deg); }
  30% { opacity: 0; transform: scale(0.3) rotate(60deg); }
  34% { opacity: 0.8; transform: scale(0.8) rotate(80deg); }
  41%, 100% { opacity: 0; transform: scale(0.2) rotate(110deg); }
}

@keyframes arisaSparkleB {
  0%, 22% { opacity: 0; transform: scale(0.2) rotate(0deg); }
  27% { opacity: 0.9; transform: scale(0.9) rotate(-25deg); }
  35% { opacity: 0; transform: scale(0.3) rotate(-60deg); }
  38% { opacity: 0.75; transform: scale(0.7) rotate(-80deg); }
  44%, 100% { opacity: 0; transform: scale(0.2) rotate(-110deg); }
}

@keyframes arisaDustUp {
  0%, 70% { opacity: 0; transform: translate(0, 0) scale(1); }
  76% { opacity: 0.85; }
  100% { opacity: 0; transform: translate(-0.5em, -1.7em) scale(0.5); }
}

@keyframes arisaDustDown {
  0%, 72% { opacity: 0; transform: translate(0, 0) scale(1); }
  78% { opacity: 0.8; }
  100% { opacity: 0; transform: translate(0.6em, 1.8em) scale(0.5); }
}

/* 탭이 보이지 않을 때는 멈춤 */
.is-page-hidden .ae,
.is-page-hidden .ae *,
.is-page-hidden .arisa-stage::before,
.is-page-hidden .arisa-stage__drift,
.is-page-hidden .mini-envelope {
  animation-play-state: paused;
}

/* ---------- 5) 공통 부품 ---------- */
.card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--arisa-card-border);
  border-radius: var(--radius-lg);
  background: var(--arisa-card-bg);
  box-shadow: var(--card-shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn--primary {
  background: var(--arisa-btn);
  color: #fff;
  box-shadow: 0 6px 18px rgba(173, 62, 108, 0.3);
}

.btn--primary:hover:not(:disabled) {
  box-shadow: 0 8px 22px rgba(173, 62, 108, 0.4);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(173, 62, 108, 0.3);
  color: var(--arisa-rose);
}

.btn--ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.95);
}

.btn:disabled {
  cursor: default;
  opacity: 0.62;
}

.btn--block {
  width: 100%;
}

.btn--small {
  min-height: 38px;
  padding: 6px 14px;
  font-size: 0.82rem;
}

.chip-btn {
  min-height: 34px;
  padding: 6px 14px;
  border: 1px solid var(--arisa-card-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.7);
  color: var(--arisa-rose);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--arisa-shadow);
  transition: background-color 0.2s ease;
}

.chip-btn:hover {
  background: rgba(255, 255, 255, 0.95);
}

.chip-btn[aria-pressed="true"],
.chip-btn[aria-pressed="true"]:hover {
  background: var(--arisa-rose);
  border-color: var(--arisa-rose);
  color: #fff;
}

.chip-btn--small {
  min-height: 30px;
  padding: 4px 12px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--arisa-text-sub);
}

.eyebrow {
  align-self: center;
  padding: 5px 14px;
  border: 1px solid var(--arisa-card-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.58);
  color: var(--arisa-rose);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

/* 16px 이상이라 iOS 에서 입력할 때 화면이 확대되지 않음 */
.text-input {
  width: 100%;
  min-height: 48px;
  padding: 11px 16px;
  border: 1px solid var(--arisa-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.5;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.text-input::placeholder,
.paper-input::placeholder {
  color: var(--arisa-placeholder);
}

.text-input:focus,
.paper-input:focus {
  outline: none;
  border-color: var(--arisa-rose);
  box-shadow: 0 0 0 3px rgba(173, 62, 108, 0.28);
}

.text-input[aria-invalid="true"],
.paper-input[aria-invalid="true"] {
  border-color: var(--arisa-danger);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.field-label {
  font-size: 0.92rem;
  font-weight: 700;
}

.field-hint {
  color: var(--arisa-text-sub);
  font-size: 0.82rem;
}

.field-error,
.form-error {
  color: var(--arisa-danger);
  font-size: 0.84rem;
  font-weight: 600;
}

.form-error {
  padding: 10px 14px;
  border: 1px solid rgba(163, 38, 83, 0.24);
  border-radius: 14px;
  background: rgba(255, 244, 248, 0.9);
}

.noscript-note {
  position: relative;
  z-index: 3;
  margin: 0 auto 20px;
  max-width: 600px;
  padding: 0 16px;
  color: var(--arisa-text-sub);
  font-size: 0.85rem;
  text-align: center;
}

/* ---------- 6) 움직임 줄이기 ----------
   '움직임 끄기' 또는 기기 설정. '움직임 켜기'를 고르면 .motion-on 이 기기 설정을 덮어씁니다.
   멈춘 상태에서도 핑크 배경과 정지된 이모지가 그대로 남습니다. */
.motion-off *,
.motion-off *::before,
.motion-off *::after {
  animation: none !important;
  transition: none !important;
}

.motion-off .ae__p {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  html:not(.motion-on) *,
  html:not(.motion-on) *::before,
  html:not(.motion-on) *::after {
    animation: none !important;
    transition: none !important;
  }

  html:not(.motion-on) .ae__p {
    display: none;
  }
}