:root {
  color-scheme: light;
  --ink: #171012;
  --muted: #6e5d63;
  --paper: #fff8f1;
  --card: #fffdfa;
  --rose: #e45582;
  --rose-soft: #ffe5ef;
  --mint: #99d4bf;
  --lemon: #f5d66b;
  --line: #171012;
  --shadow: 8px 9px 0 #171012;
  --soft-shadow: 0 24px 70px rgba(68, 39, 50, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    ui-rounded, "SF Pro Rounded", "PingFang SC", "Microsoft YaHei", Inter, system-ui,
    sans-serif;
  background:
    radial-gradient(circle at 16% 13%, rgba(228, 85, 130, 0.28), transparent 18rem),
    radial-gradient(circle at 85% 75%, rgba(153, 212, 191, 0.28), transparent 22rem),
    linear-gradient(135deg, #fff3e2, #f7e6ef 48%, #e9f5ef);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.stage {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: clamp(16px, 4vw, 44px);
}

.stage::before {
  position: absolute;
  width: min(500px, calc(100vw - 20px));
  min-height: min(840px, calc(100svh - 20px));
  content: "";
  border: 8px solid rgba(23, 16, 18, 0.7);
  border-radius: 48px;
  box-shadow: inset 0 0 0 3px rgba(23, 16, 18, 0.14), var(--soft-shadow);
  pointer-events: none;
}

.float-mark {
  position: absolute;
  z-index: 0;
  color: var(--rose);
  font-size: clamp(20px, 4vw, 34px);
  font-weight: 900;
  text-shadow: 2px 2px 0 var(--line);
  animation: float 5.6s ease-in-out infinite;
}

.mark-one {
  top: 12%;
  left: 28%;
}

.mark-two {
  top: 18%;
  right: 23%;
  animation-delay: -1.8s;
}

.mark-three {
  right: 13%;
  bottom: 16%;
  animation-delay: -3.4s;
}

.scene-card {
  position: relative;
  z-index: 1;
  display: none;
  width: min(462px, calc(100vw - 34px));
  max-height: calc(100svh - 38px);
  overflow: auto;
  padding: clamp(22px, 5vw, 34px);
  border: 4px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 253, 250, 0.95);
  box-shadow: var(--shadow);
  animation: cardIn 360ms cubic-bezier(0.2, 0.92, 0.22, 1) both;
  scrollbar-width: none;
}

.scene-card::-webkit-scrollbar {
  display: none;
}

.scene-card.is-active {
  display: block;
}

.invite-card,
.confirm-card,
.generating-card {
  text-align: center;
}

.cover-frame {
  width: min(100%, 330px);
  aspect-ratio: 1.45;
  margin: 0 auto 22px;
  overflow: hidden;
  border: 4px solid var(--line);
  border-radius: 24px;
  background: #ffe9dd;
  box-shadow: 7px 7px 0 var(--rose);
}

.cover-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eyebrow,
.card-label {
  margin: 0 0 8px;
  color: var(--rose);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0 auto;
  max-width: 390px;
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(38px, 9.6vw, 58px);
}

.invite-title {
  display: grid;
  max-width: 430px;
  gap: 4px;
  font-size: clamp(42px, 5.4vw, 50px);
  line-height: 1.08;
}

.invite-title span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(30px, 7vw, 44px);
}

.subtitle,
.hint {
  margin: 16px auto 0;
  max-width: 350px;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.55;
}

.hint {
  min-height: 24px;
  color: #8c5063;
  font-size: 14px;
}

.runaway-zone {
  position: relative;
  width: min(100%, 350px);
  min-height: 112px;
  margin: 28px auto 0;
}

.yes-btn,
.shy-btn,
.primary-btn,
.quiet-btn,
.ghost-btn {
  min-height: 54px;
  border: 4px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 7px 0 var(--line);
  color: var(--ink);
  font-weight: 950;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    opacity 180ms ease;
}

.yes-btn,
.primary-btn {
  background: var(--rose);
  color: #fff;
}

.yes-btn {
  position: absolute;
  top: 0;
  left: 0;
  width: 178px;
}

.shy-btn {
  position: absolute;
  top: 0;
  left: 196px;
  width: 154px;
  padding: 0 16px;
  background: #fff;
  font-size: 14px;
  will-change: left, top, transform;
  transition:
    left 220ms cubic-bezier(0.22, 1, 0.36, 1),
    top 220ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 180ms ease;
}

.primary-btn,
.quiet-btn,
.ghost-btn {
  padding: 0 24px;
}

.quiet-btn,
.ghost-btn {
  background: #fff;
}

.yes-btn:hover,
.primary-btn:hover,
.quiet-btn:hover,
.ghost-btn:hover,
.option-card:hover,
.food-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 9px 0 var(--line);
}

.primary-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.stack-actions {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.full {
  width: 100%;
  margin-top: 20px;
}

.badge,
.loader-heart {
  display: grid;
  width: 82px;
  height: 82px;
  margin: 0 auto 22px;
  place-items: center;
  border: 4px solid var(--line);
  border-radius: 24px;
  background: var(--rose);
  color: #fff;
  box-shadow: 6px 6px 0 var(--line);
  font-size: 36px;
  font-weight: 950;
}

.loader-heart {
  animation: pulse 820ms ease-in-out infinite;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.option-grid.compact {
  margin-top: 20px;
}

.second-grid {
  padding-top: 4px;
}

.option-card,
.food-card {
  min-height: 84px;
  padding: 13px;
  border: 4px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 5px 6px 0 var(--line);
  color: var(--ink);
  font-weight: 950;
  line-height: 1.2;
}

.option-card.is-selected,
.food-card.is-selected {
  background: var(--rose-soft);
  box-shadow: 7px 7px 0 var(--rose);
  color: #8a2946;
}

.food-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.food-card {
  display: grid;
  min-height: 96px;
  place-items: center;
  gap: 8px;
  font-size: 28px;
}

.food-card span {
  font-size: 14px;
}

.progress-track {
  height: 18px;
  margin-top: 28px;
  overflow: hidden;
  border: 4px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--rose), var(--lemon), var(--mint));
  transition: width 420ms ease;
}

.result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.result-head h2 {
  max-width: none;
  font-size: clamp(28px, 6.4vw, 38px);
}

.result-head span,
#doneCount {
  flex: 0 0 auto;
  min-width: 62px;
  padding: 9px 11px;
  border: 3px solid var(--line);
  border-radius: 16px;
  background: #e8f6ef;
  box-shadow: 4px 4px 0 var(--line);
  color: #246250;
  text-align: center;
  font-weight: 950;
}

.date-menu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-bottom: 14px;
}

.date-menu div,
.timeline-item,
.note-card,
.task-grid article,
.check-item {
  border: 3px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 4px 5px 0 rgba(23, 16, 18, 0.9);
}

.date-menu div {
  min-height: 78px;
  padding: 12px;
}

.date-menu span {
  display: block;
  margin-bottom: 6px;
  color: var(--rose);
  font-size: 11px;
  font-weight: 950;
}

.date-menu strong {
  display: block;
  font-size: 15px;
  line-height: 1.18;
}

.timeline {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  padding: 13px;
}

.timeline-item time {
  color: var(--rose);
  font-weight: 950;
}

.timeline-item strong,
.timeline-item p,
.note-card p,
.task-grid strong {
  margin: 0;
}

.timeline-item p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
  line-height: 1.45;
}

.note-card {
  padding: 15px;
}

.note-card p:last-of-type {
  line-height: 1.55;
  font-weight: 760;
}

.ghost-btn {
  width: 100%;
  margin-top: 14px;
}

.task-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.task-grid article {
  min-height: 126px;
  padding: 14px;
}

.task-grid strong {
  display: block;
  line-height: 1.42;
}

.result-actions {
  margin-top: 18px;
}

.checklist {
  display: grid;
  gap: 11px;
  margin: 18px 0 4px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  padding: 12px 14px;
  font-weight: 850;
}

.check-item input {
  width: 22px;
  height: 22px;
  accent-color: var(--rose);
}

.check-item input:checked + span {
  color: var(--muted);
  text-decoration: line-through;
}

.toast {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  padding: 11px 16px;
  border: 3px solid var(--line);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transition: 180ms ease;
}

.toast.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-18px) rotate(12deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }
}

@media (max-width: 520px) {
  .stage {
    padding: 12px;
  }

  .stage::before {
    border-width: 6px;
    border-radius: 34px;
  }

  .scene-card {
    width: min(100%, calc(100vw - 26px));
    max-height: calc(100svh - 24px);
    padding: 20px;
    border-radius: 24px;
  }

  .cover-frame {
    margin-bottom: 18px;
  }

  .invite-title {
    max-width: 310px;
    gap: 2px;
    font-size: clamp(40px, 12vw, 48px);
    line-height: 1.04;
  }

  .runaway-zone {
    width: 310px;
    min-height: 116px;
  }

  .yes-btn {
    width: 166px;
  }

  .shy-btn {
    left: 176px;
    width: 134px;
    font-size: 13px;
  }

  .option-grid,
  .task-grid {
    grid-template-columns: 1fr;
  }

  .food-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .date-menu {
    grid-template-columns: 1fr;
  }
}