@font-face {
  font-family: "SYHT";
  src: url("./assets/SYHT.v1.0.woff2") format("woff2");
  font-display: swap;
}

:root {
  --frame-side-gap: 0px;
  --frame-width: 100vw;
  --frame-ratio: 0.5;
  --frame-scale: 1;
  --overlay-scale: 1;
  --music-top: 14px;
  --music-right: 14px;
  --music-size: 30px;
  --invite-font-family: "PingFang SC", "Microsoft Yahei", Lato, "Helvetica Neue", Arial,
    SimSun, Helvetica, STHeiTi, "Roboto Regular", Roboto, "Droid Sans", sans-serif;
  --shell-bg: #0a37cb;
  --shell-bg-soft: #1552ef;
  --panel-border: rgba(255, 255, 255, 0.34);
  --panel-shadow: 0 16px 34px rgba(3, 24, 95, 0.2);
  --text-main: #f4faff;
  --text-muted: rgba(244, 250, 255, 0.74);
  --accent: #83dfff;
  --accent-strong: #3dc8ff;
  --form-card-bg: rgba(255, 255, 255, 0.96);
  --form-card-border: rgba(196, 225, 255, 0.85);
  --form-card-shadow: 0 14px 28px rgba(4, 37, 138, 0.16);
  --form-ink: #173066;
  --form-muted: #667ba8;
  --form-strong: #0c4bc8;
  --form-soft: rgba(12, 75, 200, 0.08);
  --error: #f87171;
  --success: #7dd3a2;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  font-family: var(--invite-font-family);
  background: #ffffff;
  color: var(--text-main);
}

.invite-app {
  width: 100%;
  height: 100dvh;
  background: #ffffff;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-y: contain;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.invite-app::-webkit-scrollbar {
  display: none;
}

.page-screen {
  position: relative;
  min-height: 100dvh;
  padding: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: transparent;
}

.page-frame {
  position: relative;
  width: min(100vw, calc(100dvh * var(--frame-ratio, 0.5)));
  max-height: 100dvh;
  aspect-ratio: var(--frame-ratio, 0.5);
  overflow: hidden;
  flex: none;
  background: #0a37cb;
}

.page-frame::after {
  display: none;
}

.page-frame.is-form-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 32, 128, 0) 74%, rgba(6, 32, 128, 0.12) 100%);
  pointer-events: none;
}

.cmp-layer {
  position: absolute;
  transform-origin: top left;
}

.cmp-anim {
  opacity: 0;
  visibility: hidden;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.cmp-anim.is-animated {
  visibility: visible;
  animation-duration: var(--cmp-anim-duration, 1s);
  animation-delay: var(--cmp-anim-delay, 0s);
  animation-iteration-count: var(--cmp-anim-count, 1);
  animation-fill-mode: both;
}

.cmp-anim.is-animated[data-anim-name="flipInX"] {
  animation-name: cmpFlipInX;
  transform-origin: center center;
}

.cmp-anim.is-animated[data-anim-name="stretchRight"] {
  animation-name: cmpStretchRight;
  transform-origin: left center;
}

.cmp-anim.is-animated[data-anim-name="fadeInLeft"] {
  animation-name: cmpFadeInLeft;
}

.cmp-anim.is-animated[data-anim-name="bounceInLeft"] {
  animation-name: cmpBounceInLeft;
}

.cmp-anim.is-animated[data-anim-name="slideRight"] {
  animation-name: cmpSlideRight;
}

.cmp-anim.is-animated[data-anim-name="slideLeft"] {
  animation-name: cmpSlideLeft;
}

.cmp-anim.is-animated[data-anim-name="bounceInDown"] {
  animation-name: cmpBounceInDown;
}

.cmp-anim.is-animated[data-anim-name="flipInY"] {
  animation-name: cmpFlipInY;
  transform-origin: center center;
}

.cmp-anim.is-animated[data-anim-name="fadeInRight"] {
  animation-name: cmpFadeInRight;
}

.cmp-image,
.cmp-image img {
  width: 100%;
  height: 100%;
}

.cmp-image img {
  display: block;
  object-fit: fill;
  user-select: none;
  -webkit-user-drag: none;
}

.cmp-image.cmp-anim.is-animated img {
  filter: brightness(1.14) saturate(1.08) drop-shadow(0 0 8px rgba(140, 231, 255, 0.18));
}

.cmp-image.is-map-hotspot {
  cursor: pointer;
}

.cmp-image.is-map-hotspot:focus-visible {
  outline: 2px solid rgba(66, 167, 255, 0.8);
  outline-offset: 2px;
  border-radius: 4px;
}

.cmp-image.is-map-hotspot:active img {
  transform: scale(0.985);
  transition: transform 120ms ease;
}

.cmp-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.4;
}

.cmp-field {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
  gap: calc(4px * var(--page-scale, 1));
  overflow: visible;
}

.cmp-field-meta {
  display: flex;
  align-items: center;
  gap: calc(4px * var(--page-scale, 1));
  min-height: calc(15px * var(--page-scale, 1));
  padding-left: calc(1px * var(--page-scale, 1));
}

.cmp-field-mark {
  flex: none;
  color: #ff3a3a;
  font-size: calc(13px * var(--page-scale, 1));
  line-height: 1;
  transform: translateY(calc(-1px * var(--page-scale, 1)));
}

.cmp-field-label {
  min-width: 0;
  color: rgba(15, 230, 255, 0.98);
  font-size: calc(12px * var(--page-scale, 1));
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0;
}

.cmp-field-tag {
  display: none;
}

.cmp-field-shell {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0 calc(14px * var(--page-scale, 1));
  background: #ffffff;
  border: 1px solid #c1c2c3;
  border-radius: calc(2px * var(--page-scale, 1));
  box-shadow: 0 calc(2px * var(--page-scale, 1)) calc(6px * var(--page-scale, 1))
    rgba(0, 0, 0, 0.08);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.cmp-field.is-focused .cmp-field-shell,
.cmp-field.is-filled .cmp-field-shell {
  border-color: rgba(84, 177, 255, 0.92);
  box-shadow:
    0 0 0 calc(1px * var(--page-scale, 1)) rgba(84, 177, 255, 0.16),
    0 calc(2px * var(--page-scale, 1)) calc(8px * var(--page-scale, 1))
      rgba(20, 86, 209, 0.14);
}

.cmp-field-control {
  display: flex;
  align-items: center;
  gap: calc(8px * var(--page-scale, 1));
  width: 100%;
  min-width: 0;
  height: 100%;
}

.cmp-field input {
  width: 100%;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: none;
  outline: none;
  background: transparent;
  color: #6e6e6e;
  font: inherit;
  font-size: calc(16px * var(--page-scale, 1));
  font-weight: 400;
  line-height: 1.15;
}

.cmp-field input::placeholder {
  color: #b7b7b7;
}

.cmp-field input:-webkit-autofill,
.cmp-field input:-webkit-autofill:hover,
.cmp-field input:-webkit-autofill:focus {
  -webkit-text-fill-color: inherit;
  transition: background-color 9999s ease-out 0s;
}

.cmp-field[data-field-role="phone"] input {
  letter-spacing: 0;
}

.cmp-field-helper {
  display: none;
}

.cmp-field.is-choice-field .cmp-field-shell {
  cursor: pointer;
}

.cmp-field-picker {
  justify-content: space-between;
  gap: calc(10px * var(--page-scale, 1));
  cursor: pointer;
}

.cmp-field-picker-value {
  min-width: 0;
  overflow: hidden;
  color: #6e6e6e;
  font: inherit;
  font-size: calc(16px * var(--page-scale, 1));
  font-weight: 400;
  line-height: 1.15;
  white-space: nowrap;
  text-align: left;
  text-overflow: ellipsis;
}

.cmp-field-picker-value.is-placeholder {
  color: #b7b7b7;
}

.cmp-field-picker-caret {
  flex: none;
  width: calc(10px * var(--page-scale, 1));
  height: calc(10px * var(--page-scale, 1));
  border-right: calc(1.5px * var(--page-scale, 1)) solid #b0bdd9;
  border-bottom: calc(1.5px * var(--page-scale, 1)) solid #b0bdd9;
  transform: rotate(45deg) translateY(calc(-2px * var(--page-scale, 1)));
}

.cmp-field-clear {
  flex-shrink: 0;
  padding: 0 calc(4px * var(--page-scale, 1));
  border: none;
  background: transparent;
  color: #9aacd4;
  font-size: calc(10px * var(--page-scale, 1));
  font-weight: 500;
  cursor: pointer;
}

.cmp-field-clear[hidden] {
  display: none;
}

.cmp-submit {
  cursor: pointer;
  border: 1px solid rgba(180, 223, 255, 0.72);
  outline: none;
  background: linear-gradient(90deg, #41b5ff 0%, #358ef1 58%, #2d75e5 100%);
  color: inherit;
  font: inherit;
  text-align: center;
  letter-spacing: 0.02em;
  text-shadow: 0 calc(1px * var(--page-scale, 1)) calc(2px * var(--page-scale, 1))
    rgba(7, 40, 118, 0.18);
  box-shadow: 0 calc(6px * var(--page-scale, 1)) calc(14px * var(--page-scale, 1))
    rgba(10, 69, 197, 0.22);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.cmp-submit:active {
  transform: scale(0.98);
}

.cmp-submit[disabled] {
  cursor: wait;
  opacity: 0.7;
}

body.is-input-active .page-dots,
body.is-input-active .page-next,
body.is-choice-sheet-open .page-dots,
body.is-choice-sheet-open .page-next {
  opacity: 0;
  pointer-events: none;
}

.page-dots {
  position: fixed;
  top: 50%;
  right: calc(
    var(--frame-side-gap, 0px) + env(safe-area-inset-right) + calc(5px * var(--overlay-scale, 1))
  );
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: calc(4px * var(--overlay-scale, 1));
  transform: translateY(-50%);
}

.page-dot {
  width: calc(8px * var(--overlay-scale, 1));
  height: calc(8px * var(--overlay-scale, 1));
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(249, 249, 249, 0.92);
  cursor: pointer;
  opacity: 0.3;
  transition: opacity 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-dot.is-active {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.96);
  opacity: 0.7;
}

.page-next,
.music-toggle {
  position: fixed;
  z-index: 30;
}

.page-next[hidden],
.page-dots[hidden],
.music-toggle[hidden] {
  display: none !important;
}

.page-next {
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + calc(10px * var(--overlay-scale, 1)));
  width: calc(20px * var(--overlay-scale, 1));
  height: calc(20px * var(--overlay-scale, 1));
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  transform: translateX(-50%);
  font-size: 0;
}

.page-next::before,
.page-next::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.page-next::before {
  bottom: 0;
  width: calc(14px * var(--overlay-scale, 1));
  height: calc(14px * var(--overlay-scale, 1));
  border-top: calc(3px * var(--overlay-scale, 1)) solid rgba(255, 255, 255, 0.95);
  border-left: calc(3px * var(--overlay-scale, 1)) solid rgba(255, 255, 255, 0.95);
  transform: translateX(-50%) rotate(45deg);
  filter: drop-shadow(0 0 6px rgba(131, 223, 255, 0.35));
  animation: webSwipeTipAfter 1.5s ease-in-out infinite;
}

.page-next::after {
  content: none;
}

.page-next.is-hidden {
  display: none;
}

.music-toggle {
  top: calc(env(safe-area-inset-top) + calc(var(--music-top, 14px) * var(--overlay-scale, 1)));
  right: calc(
    var(--frame-side-gap, 0px) + env(safe-area-inset-right) +
      calc(var(--music-right, 14px) * var(--overlay-scale, 1))
  );
  width: calc(var(--music-size, 30px) * var(--overlay-scale, 1));
  height: calc(var(--music-size, 30px) * var(--overlay-scale, 1));
  padding: 0;
  border: none;
  background: transparent;
  font-size: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.music-toggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.75);
  outline-offset: 4px;
  border-radius: 999px;
}

.music-toggle-control {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  background: url("./assets/music-control.gif") transparent no-repeat center;
  background-size: contain;
}

.music-toggle-control::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("./assets/music-control-after.png") transparent no-repeat center;
  background-size: 100% 100%;
  animation: musicRotate 1.2s linear infinite;
}

.music-toggle.stopped .music-toggle-control {
  background: none;
}

.music-toggle.stopped .music-toggle-control::after {
  animation: none;
}

@keyframes musicRotate {
  0% {
    transform: translateZ(0) rotate(-360deg);
    transform-origin: center;
  }

  100% {
    transform: none;
    transform-origin: center;
  }
}

@keyframes webSwipeTipAfter {
  0% {
    opacity: 1;
    transform: translateX(-50%) translate3d(0, 0, 0) rotate(45deg);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translate3d(0, -100%, 0) rotate(45deg);
  }
}

@keyframes cmpFlipInX {
  from {
    opacity: 0;
    transform: perspective(800px) rotateX(90deg);
  }

  40% {
    transform: perspective(800px) rotateX(-18deg);
  }

  60% {
    opacity: 1;
    transform: perspective(800px) rotateX(10deg);
  }

  80% {
    transform: perspective(800px) rotateX(-5deg);
  }

  to {
    opacity: 1;
    transform: perspective(800px);
  }
}

@keyframes cmpFlipInY {
  from {
    opacity: 0;
    transform: perspective(800px) rotateY(90deg);
  }

  40% {
    transform: perspective(800px) rotateY(-18deg);
  }

  60% {
    opacity: 1;
    transform: perspective(800px) rotateY(10deg);
  }

  80% {
    transform: perspective(800px) rotateY(-5deg);
  }

  to {
    opacity: 1;
    transform: perspective(800px);
  }
}

@keyframes cmpStretchRight {
  from {
    opacity: 0;
    transform: scaleX(0.28);
    filter: brightness(1.18);
  }

  42% {
    opacity: 1;
    transform: scaleX(1.06);
  }

  65% {
    transform: scaleX(0.97);
  }

  82% {
    transform: scaleX(1.02);
  }

  to {
    opacity: 1;
    transform: scaleX(1);
    filter: brightness(1);
  }
}

@keyframes cmpFadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-44px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes cmpFadeInRight {
  from {
    opacity: 0;
    transform: translate3d(44px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes cmpBounceInLeft {
  from,
  60%,
  75%,
  90%,
  to {
    animation-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  from {
    opacity: 0;
    transform: translate3d(-120px, 0, 0) scaleX(1.08);
  }

  60% {
    opacity: 1;
    transform: translate3d(24px, 0, 0) scaleX(0.98);
  }

  75% {
    transform: translate3d(-12px, 0, 0) scaleX(1.01);
  }

  90% {
    transform: translate3d(5px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes cmpBounceInDown {
  from,
  60%,
  75%,
  90%,
  to {
    animation-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  from {
    opacity: 0;
    transform: translate3d(0, -120px, 0) scaleY(1.08);
  }

  60% {
    opacity: 1;
    transform: translate3d(0, 22px, 0) scaleY(0.98);
  }

  75% {
    transform: translate3d(0, -10px, 0) scaleY(1.01);
  }

  90% {
    transform: translate3d(0, 5px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes cmpSlideRight {
  from {
    opacity: 0;
    transform: translate3d(-90px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes cmpSlideLeft {
  from {
    opacity: 0;
    transform: translate3d(90px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.invite-toast {
  position: fixed;
  left: 50%;
  bottom: 88px;
  z-index: 40;
  min-width: 220px;
  max-width: min(88vw, 420px);
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(4, 30, 115, 0.92);
  color: var(--text-main);
  text-align: center;
  transform: translateX(-50%) translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: var(--panel-shadow);
}

.invite-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.invite-toast.is-error {
  border-color: rgba(248, 113, 113, 0.4);
  color: #ffe3e3;
}

.invite-toast.is-success {
  border-color: rgba(125, 211, 162, 0.35);
  color: #e6fff1;
}

.choice-sheet {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  align-items: end;
  padding: 0;
  background: rgba(4, 22, 78, 0.36);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.choice-sheet.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.choice-sheet-panel {
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 20px 18px calc(18px + env(safe-area-inset-bottom));
  border-radius: 22px 22px 0 0;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid rgba(189, 208, 242, 0.85);
  box-shadow: 0 -12px 30px rgba(3, 26, 102, 0.2);
}

.choice-sheet-title {
  margin: 0;
  color: #16377b;
  font-size: 18px;
  font-weight: 600;
}

.choice-sheet-subtitle {
  margin-top: 8px;
  color: #7182aa;
  font-size: 13px;
}

.choice-sheet-options {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.choice-sheet-option {
  min-height: 48px;
  border: 1px solid rgba(193, 194, 195, 0.9);
  border-radius: 10px;
  background: #ffffff;
  color: #33508f;
  font: inherit;
  font-size: 16px;
  cursor: pointer;
}

.choice-sheet-option.is-selected {
  border-color: rgba(69, 159, 255, 0.9);
  background: linear-gradient(90deg, #42b8ff 0%, #2d79e6 100%);
  color: #ffffff;
}

.choice-sheet-option.is-secondary {
  color: #6d7da2;
}

.choice-sheet-cancel {
  width: 100%;
  min-height: 44px;
  margin-top: 14px;
  border: 1px solid rgba(193, 194, 195, 0.9);
  border-radius: 10px;
  background: #ffffff;
  color: #5671a8;
  font: inherit;
}

.no-script {
  position: fixed;
  inset: auto 16px 16px;
  z-index: 50;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(4, 30, 115, 0.9);
}

@media (prefers-reduced-motion: reduce) {
  .invite-app {
    scroll-behavior: auto;
  }

  .cmp-anim,
  .cmp-anim.is-animated,
  .music-toggle-control::after {
    animation: none !important;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .page-next::before {
    animation: none !important;
    opacity: 1;
    transform: translateX(-50%) rotate(45deg);
  }
}

@media (max-width: 767px) {
  :root {
    --frame-side-gap: 0px;
    --frame-width: 100vw;
  }

  body,
  .invite-app {
    background: #0a37cb;
  }
}

.invite-greeting-overlay {
  position: absolute;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 calc(2px * var(--page-scale, 1));
  white-space: nowrap;
  text-align: center;
  font-weight: 600;
  color: #ffffff;
  font-family: inherit;
  overflow: hidden;
  box-sizing: border-box;
}

.invite-greeting-overlay-text {
  letter-spacing: 0.015em;
  text-shadow: 0 1px 2px rgba(6, 23, 97, 0.28);
}

.is-prefilled-locked {
  background: #f2f2f2 !important;
  cursor: not-allowed;
}