*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* 비율 ≈ 520:264 유지 (약 1.97:1) */
  --card-w: min(94vw, 576px);
  --card-h: min(292px, 53dvh);
  --card-radius: 20px;
  --card-fg: #faf8f4;
  --card-fg-soft: rgba(250, 248, 244, 0.82);
  --card-divider: rgba(255, 255, 255, 0.2);
  --card-fg-shadow: none;
  --card-author-opacity: 0.94;
  --card-shade-in:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    inset 0 -22px 48px -28px rgba(0, 0, 0, 0.18);
  --card-shadow-rest:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 26px 56px -14px rgba(0, 0, 0, 0.52),
    0 10px 22px rgba(0, 0, 0, 0.26);
  --card-shadow-pressed:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 14px 36px -10px rgba(0, 0, 0, 0.45),
    0 4px 12px rgba(0, 0, 0, 0.22);
}

html {
  height: 100%;
  overflow-x: hidden;
  overscroll-behavior: none;
}

body {
  margin: 0;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100%;
  min-height: 100dvh;
  overscroll-behavior: none;
  font-family:
    "Literata",
    "Noto Serif KR",
    "Apple SD Gothic Neo",
    Georgia,
    "Times New Roman",
    serif;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}

.page-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  min-height: 100lvh;
  background-color: #1a1510;
  background-image:
    linear-gradient(160deg, rgba(18, 14, 10, 0.72) 0%, rgba(28, 22, 18, 0.55) 45%, rgba(12, 10, 8, 0.78) 100%),
    url("https://images.unsplash.com/photo-1518998053901-5348d3961a04?auto=format&fit=crop&w=1920&q=80");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.container {
  width: 100%;
  max-width: calc(var(--card-w) + 2rem);
  padding: 1rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-perspective {
  width: var(--card-w);
  height: var(--card-h);
  perspective: 2000px;
  perspective-origin: 50% 45%;
}

.card {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 0;
  border-radius: var(--card-radius);
  text-align: center;
  transform: none;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  transition:
    box-shadow 0.18s ease,
    transform 0.12s ease;
  background: transparent;
  color: var(--card-fg);
  border: none;
  box-shadow: var(--card-shadow-rest);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  overflow: hidden;
  isolation: isolate;
}

/* 안쪽 홀로그램 링 — mask-composite로 가운데를 뚫어 글자는 가리지 않음 */
@supports (mask-composite: exclude) or (-webkit-mask-composite: xor) {
  .card::before {
    content: "";
    position: absolute;
    inset: 2px;
    z-index: 1;
    border-radius: calc(var(--card-radius) - 2px);
    pointer-events: none;
    box-sizing: border-box;
    padding: 2px;
    background: conic-gradient(
      from 140deg,
      #ff6ec7,
      #7bdcff,
      #6dffb4,
      #ffe566,
      #c4a5ff,
      #ff8ad8,
      #ff6ec7
    );
    filter: saturate(1.15);
    animation: card-holo-hue 12s linear infinite;
    -webkit-mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
  }
}

@keyframes card-holo-hue {
  from {
    filter: saturate(1.15) hue-rotate(0deg);
  }
  to {
    filter: saturate(1.15) hue-rotate(360deg);
  }
}

.card-fill {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background-color: #5a3d7a;
  background-image:
    linear-gradient(
      152deg,
      rgba(255, 255, 255, 0.14) 0%,
      rgba(255, 255, 255, 0.02) 42%,
      rgba(0, 0, 0, 0.08) 100%
    ),
    radial-gradient(
      120% 90% at 18% 12%,
      rgba(255, 255, 255, 0.18) 0%,
      transparent 55%
    );
  transition: background-color 0.45s ease;
  box-shadow: var(--card-shade-in);
}

.card:focus-visible {
  outline: 2px solid rgba(232, 220, 200, 0.75);
  outline-offset: 5px;
}

.card:active:not(.card--busy) {
  cursor: grabbing;
  transform: translateY(2px);
  box-shadow: var(--card-shadow-pressed);
}

.card-body {
  position: absolute;
  inset: 0;
  z-index: 2;
  height: 100%;
  width: 100%;
  padding: 24px 30px 22px;
  overflow: hidden;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 18px;
  line-height: 1.52;
  letter-spacing: 0.02em;
  font-feature-settings: "kern" 1, "liga" 1;
}

/* 안내 문구만 있을 때: 위·아래 구역 없이 카드 정중앙 */
.card-body.card-body--intro {
  justify-content: center;
  gap: 0.5rem;
}

.card-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  min-height: 0;
}

/* 명언+발언자 모드: 위쪽 영역이 남는 높이를 차지하고, 그 안에서 명언을 세로 중앙 */
.card-body:not(.card-body--intro) .card-block--quote {
  flex: 1 1 0;
  min-height: 0;
  justify-content: center;
}

.card-block--author {
  flex-shrink: 0;
  padding-top: 0;
  border-top: none;
  text-align: center;
}

/* 이름 위 가로선 — 카드 너비의 약 60% */
.card-body:not(.card-body--intro) .card-block--author::before {
  content: "";
  display: block;
  width: 60%;
  max-width: 100%;
  height: 1px;
  margin: 0 auto 0.55rem;
  background: var(--card-divider);
}

.card-body:not(.card-body--intro) {
  gap: 0.45rem;
}

.author-line-primary {
  margin: 0;
  font-size: 0.82em;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--card-fg);
  text-shadow: var(--card-fg-shadow);
  opacity: var(--card-author-opacity, 0.94);
  text-align: center;
  word-break: keep-all;
  max-width: 100%;
}

.author-achievements {
  margin: 0.42em 0 0;
  font-size: 0.62em;
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0.02em;
  color: var(--card-fg-soft);
  text-shadow: var(--card-fg-shadow);
  word-break: keep-all;
  max-width: 100%;
  text-align: center;
}

.quote-ko {
  margin: 0;
  font-weight: 600;
  color: var(--card-fg);
  text-shadow: var(--card-fg-shadow);
  word-break: keep-all;
  hyphens: auto;
  text-wrap: balance;
  max-width: 100%;
}

.quote-sub-en {
  margin: 0.32em 0 0;
  font-size: 0.66em;
  font-weight: 400;
  font-style: italic;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--card-fg-soft);
  text-shadow: var(--card-fg-shadow);
  word-break: break-word;
  max-width: 100%;
}

.card.card--anim {
  will-change: transform, opacity, filter, box-shadow;
}

.card.card--busy {
  pointer-events: none;
  cursor: wait;
}

@media (prefers-reduced-motion: reduce) {
  .card.card--anim {
    animation: none !important;
    filter: none !important;
  }

  @supports (mask-composite: exclude) or (-webkit-mask-composite: xor) {
    .card::before {
      animation: none !important;
      filter: saturate(1.05) hue-rotate(42deg);
    }
  }

  .card:active:not(.card--busy) {
    transform: none;
    cursor: pointer;
  }
}

/* ---------- flipX: 위축 + 깊이 + 마법광 ---------- */
@keyframes flipXOut {
  0% {
    transform: rotateX(0deg) translateZ(0px) scale(1) rotateZ(0deg);
    opacity: 1;
    filter: brightness(1) blur(0px);
    box-shadow:
      var(--card-shadow-rest),
      0 0 0 rgba(255, 200, 120, 0);
  }
  22% {
    transform: rotateX(-22deg) translateZ(-14px) scale(1.03) rotateZ(1.2deg);
    filter: brightness(1.15) drop-shadow(0 0 18px rgba(255, 200, 130, 0.5));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 28px 50px rgba(0, 0, 0, 0.35),
      0 0 32px rgba(255, 190, 100, 0.35);
  }
  48% {
    transform: rotateX(-58deg) translateZ(-48px) scale(0.96) rotateZ(-0.8deg);
    filter: brightness(1.35) drop-shadow(0 0 36px rgba(255, 225, 160, 0.65));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 40px 70px rgba(0, 0, 0, 0.4),
      0 0 48px rgba(255, 210, 140, 0.5);
  }
  78% {
    transform: rotateX(-95deg) translateZ(-95px) scale(0.86);
    filter: brightness(0.75) blur(1.5px);
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 20px 40px rgba(0, 0, 0, 0.45);
  }
  100% {
    transform: rotateX(-118deg) translateZ(-130px) scale(0.72) rotateZ(2deg);
    opacity: 0;
    filter: brightness(0.2) blur(4px);
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 8px 24px rgba(0, 0, 0, 0.5);
  }
}

@keyframes flipXIn {
  0% {
    transform: rotateX(108deg) translateZ(-120px) scale(0.74) rotateZ(-2deg);
    opacity: 0;
    filter: brightness(0.25) blur(4px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.48);
  }
  28% {
    transform: rotateX(52deg) translateZ(-40px) scale(0.94);
    opacity: 0.65;
    filter: brightness(1.25) drop-shadow(0 0 40px rgba(255, 220, 170, 0.7));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 36px 60px rgba(0, 0, 0, 0.32),
      0 0 52px rgba(255, 200, 120, 0.45);
  }
  55% {
    transform: rotateX(18deg) translateZ(8px) scale(1.04) rotateZ(0.6deg);
    opacity: 1;
    filter: brightness(1.2) drop-shadow(0 0 22px rgba(255, 210, 150, 0.45));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 26px 48px rgba(0, 0, 0, 0.28),
      0 0 28px rgba(255, 200, 130, 0.3);
  }
  82% {
    transform: rotateX(-6deg) translateZ(4px) scale(1.01);
    filter: brightness(1.05) drop-shadow(0 0 10px rgba(255, 200, 120, 0.25));
  }
  100% {
    transform: rotateX(0deg) translateZ(0px) scale(1) rotateZ(0deg);
    opacity: 1;
    filter: brightness(1) blur(0px);
    box-shadow: var(--card-shadow-rest);
  }
}

.card.card--leave-flipX {
  transform-origin: 50% 0;
  animation: flipXOut 0.78s cubic-bezier(0.4, 0, 0.15, 1) forwards;
}

.card.card--enter-flipX {
  transform-origin: 50% 0;
  animation: flipXIn 0.86s cubic-bezier(0.2, 0.9, 0.25, 1) forwards;
}

/* ---------- flipY: 측면 회전 + 글로우 ---------- */
@keyframes flipYOut {
  0% {
    transform: rotateY(0deg) translateZ(0) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
  25% {
    transform: rotateY(-28deg) translateZ(-20px) scale(1.02) rotateX(2deg);
    filter: brightness(1.18) drop-shadow(0 0 20px rgba(180, 220, 255, 0.45));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 30px 55px rgba(0, 0, 0, 0.34),
      0 0 36px rgba(160, 200, 255, 0.35);
  }
  52% {
    transform: rotateY(-72deg) translateZ(-70px) scale(0.9) rotateX(-1deg);
    filter: brightness(1.28) drop-shadow(0 0 42px rgba(200, 230, 255, 0.55));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 44px 80px rgba(0, 0, 0, 0.38),
      0 0 50px rgba(170, 210, 255, 0.42);
  }
  100% {
    transform: rotateY(-108deg) translateZ(-120px) scale(0.76);
    opacity: 0;
    filter: brightness(0.22) blur(4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.42);
  }
}

@keyframes flipYIn {
  0% {
    transform: rotateY(105deg) translateZ(-115px) scale(0.75);
    opacity: 0;
    filter: brightness(0.28) blur(4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.42);
  }
  30% {
    transform: rotateY(48deg) translateZ(-30px) scale(0.95);
    opacity: 0.7;
    filter: brightness(1.22) drop-shadow(0 0 38px rgba(190, 220, 255, 0.55));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 34px 58px rgba(0, 0, 0, 0.3),
      0 0 44px rgba(180, 215, 255, 0.4);
  }
  58% {
    transform: rotateY(-10deg) translateZ(12px) scale(1.05);
    opacity: 1;
    filter: brightness(1.12) drop-shadow(0 0 24px rgba(200, 225, 255, 0.35));
  }
  85% {
    transform: rotateY(5deg) translateZ(0) scale(1.01);
    filter: brightness(1.04);
  }
  100% {
    transform: rotateY(0deg) translateZ(0) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
}

.card.card--leave-flipY {
  transform-origin: 0 50%;
  animation: flipYOut 0.8s cubic-bezier(0.42, 0, 0.18, 1) forwards;
}

.card.card--enter-flipY {
  transform-origin: 0 50%;
  animation: flipYIn 0.88s cubic-bezier(0.18, 0.95, 0.28, 1) forwards;
}

/* ---------- slideL: 잔상 + 광택 이동 ---------- */
@keyframes slideLOut {
  0% {
    transform: translateX(0) rotate(0deg) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
  35% {
    transform: translateX(-28%) rotate(-5deg) scale(0.96);
    filter: brightness(1.2) drop-shadow(0 0 26px rgba(255, 200, 140, 0.5));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 24px 48px rgba(0, 0, 0, 0.35),
      -12px 0 40px rgba(255, 190, 120, 0.25);
  }
  100% {
    transform: translateX(-128%) rotate(-12deg) scale(0.82);
    opacity: 0;
    filter: brightness(0.4) blur(3px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  }
}

@keyframes slideLIn {
  0% {
    transform: translateX(125%) rotate(11deg) scale(0.84);
    opacity: 0;
    filter: brightness(0.45) blur(3px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  }
  40% {
    transform: translateX(18%) rotate(2deg) scale(1.02);
    opacity: 1;
    filter: brightness(1.25) drop-shadow(0 0 32px rgba(255, 215, 150, 0.55));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 32px 56px rgba(0, 0, 0, 0.3),
      0 0 40px rgba(255, 200, 120, 0.35);
  }
  72% {
    transform: translateX(-4%) rotate(-1deg) scale(1.03);
    filter: brightness(1.08) drop-shadow(0 0 14px rgba(255, 200, 120, 0.3));
  }
  100% {
    transform: translateX(0) rotate(0deg) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
}

.card.card--leave-slideL {
  transform-origin: 50% 50%;
  animation: slideLOut 0.72s cubic-bezier(0.45, 0, 0.2, 1) forwards;
}

.card.card--enter-slideL {
  transform-origin: 50% 50%;
  animation: slideLIn 0.8s cubic-bezier(0.2, 1, 0.35, 1) forwards;
}

/* ---------- slideR ---------- */
@keyframes slideROut {
  0% {
    transform: translateX(0) rotate(0deg) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
  35% {
    transform: translateX(28%) rotate(5deg) scale(0.96);
    filter: brightness(1.2) drop-shadow(0 0 26px rgba(255, 200, 140, 0.5));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 24px 48px rgba(0, 0, 0, 0.35),
      12px 0 40px rgba(255, 190, 120, 0.25);
  }
  100% {
    transform: translateX(128%) rotate(12deg) scale(0.82);
    opacity: 0;
    filter: brightness(0.4) blur(3px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  }
}

@keyframes slideRIn {
  0% {
    transform: translateX(-125%) rotate(-11deg) scale(0.84);
    opacity: 0;
    filter: brightness(0.45) blur(3px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  }
  40% {
    transform: translateX(-18%) rotate(-2deg) scale(1.02);
    opacity: 1;
    filter: brightness(1.25) drop-shadow(0 0 32px rgba(255, 215, 150, 0.55));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 32px 56px rgba(0, 0, 0, 0.3),
      0 0 40px rgba(255, 200, 120, 0.35);
  }
  72% {
    transform: translateX(4%) rotate(1deg) scale(1.03);
    filter: brightness(1.08) drop-shadow(0 0 14px rgba(255, 200, 120, 0.3));
  }
  100% {
    transform: translateX(0) rotate(0deg) scale(1);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
}

.card.card--leave-slideR {
  transform-origin: 50% 50%;
  animation: slideROut 0.72s cubic-bezier(0.45, 0, 0.2, 1) forwards;
}

.card.card--enter-slideR {
  transform-origin: 50% 50%;
  animation: slideRIn 0.8s cubic-bezier(0.2, 1, 0.35, 1) forwards;
}

/* ---------- zoom: 폭발광 + 탄성 ---------- */
@keyframes zoomOut {
  0% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
  30% {
    transform: scale(1.08) rotate(-2deg);
    filter: brightness(1.35) drop-shadow(0 0 36px rgba(255, 220, 160, 0.65));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 36px 70px rgba(0, 0, 0, 0.32),
      0 0 50px rgba(255, 200, 120, 0.45);
  }
  100% {
    transform: scale(0.65) rotate(4deg);
    opacity: 0;
    filter: brightness(0.3) blur(4px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.44);
  }
}

@keyframes zoomIn {
  0% {
    transform: scale(0.55) rotate(-6deg);
    opacity: 0;
    filter: brightness(0.35) blur(4px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.44);
  }
  38% {
    transform: scale(1.12) rotate(2deg);
    opacity: 1;
    filter: brightness(1.3) drop-shadow(0 0 44px rgba(255, 225, 170, 0.7));
    box-shadow:
      0 14px 36px rgba(0, 0, 0, 0.32),
      0 40px 72px rgba(0, 0, 0, 0.28),
      0 0 56px rgba(255, 210, 140, 0.5);
  }
  62% {
    transform: scale(0.96) rotate(-0.5deg);
    filter: brightness(1.08) drop-shadow(0 0 18px rgba(255, 200, 120, 0.35));
  }
  82% {
    transform: scale(1.03) rotate(0.3deg);
    filter: brightness(1.05);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
    filter: brightness(1) blur(0);
    box-shadow: var(--card-shadow-rest);
  }
}

.card.card--leave-zoom {
  transform-origin: 50% 50%;
  animation: zoomOut 0.68s cubic-bezier(0.45, 0, 0.2, 1) forwards;
}

.card.card--enter-zoom {
  transform-origin: 50% 50%;
  animation: zoomIn 0.82s cubic-bezier(0.22, 1.15, 0.4, 1) forwards;
}