:root {
  --bg: #f7f5f0;
  --ink: #171514;
  --muted: #7b746d;
  --soft-line: rgba(23, 21, 20, 0.12);
  --red-area: #ffe8e2;
  --blue-area: #dcecff;
  --green: #a9c8a6;
  --green-dark: #314633;
  --card: #181615;
  --card-ink: #f8f1e7;
  --shadow: 0 24px 70px rgba(45, 41, 38, 0.14);
  --radius: 8px;
  --stage-width: min(100vw, 1920px);
  --stage-height: min(100vh, calc(var(--stage-width) * 0.5625));
  --main-w: clamp(470px, 68vw, 1360px);
  --main-h: clamp(350px, 50vw, 980px);
  --blue-size: clamp(64px, 7.2vw, 132px);
  --envelope-size: clamp(32px, 3.6vw, 68px);
  --corner-pad: clamp(16px, 2.1vw, 34px);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
  background:
    url("images/background.jpg") center 43% / cover fixed,
    var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(255, 244, 189, 0.08), transparent 22%),
    radial-gradient(circle at 76% 38%, rgba(255, 255, 232, 0.06), transparent 24%),
    repeating-radial-gradient(circle at 17% 23%, rgba(255, 255, 255, 0.09) 0 0.6px, transparent 0.7px 2.6px);
  content: "";
  mix-blend-mode: soft-light;
  opacity: 0.68;
  pointer-events: none;
}

.atmosphere-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.welcome-screen {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 26% 22%, rgba(255, 244, 184, 0.12), transparent 22%),
    radial-gradient(circle at 72% 68%, rgba(255, 214, 90, 0.08), transparent 24%),
    rgba(5, 6, 5, 0.92);
  color: #fff4b8;
  overflow: hidden;
}

.welcome-screen::before,
.welcome-screen::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.welcome-screen::before {
  background-image:
    radial-gradient(circle, rgba(255, 248, 190, 0.92) 0 1px, transparent 1.7px),
    radial-gradient(circle, rgba(255, 222, 92, 0.72) 0 0.8px, transparent 1.5px);
  background-position:
    11% 19%,
    74% 36%;
  background-size:
    134px 118px,
    171px 149px;
  opacity: 0.52;
  animation: welcomeParticles 4200ms linear infinite;
}

.welcome-screen::after {
  background-image:
    repeating-radial-gradient(circle at 18% 24%, rgba(255, 255, 255, 0.09) 0 0.55px, transparent 0.7px 2.7px);
  mix-blend-mode: soft-light;
  opacity: 0.6;
}

.welcome-content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  max-width: min(760px, 92vw);
  text-align: center;
  text-shadow:
    0 0 9px rgba(255, 244, 184, 0.66),
    0 0 24px rgba(255, 219, 80, 0.34);
  animation: welcomeTextDrift 1200ms ease both;
}

.welcome-content h1 {
  margin: 0 0 16px;
  font-family: "Pixelify Sans", "Courier New", monospace;
  font-size: clamp(64px, 12vw, 154px);
  font-weight: 700;
  line-height: 0.9;
}

.welcome-content p {
  margin: 0 auto;
  max-width: 620px;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: clamp(22px, 2.4vw, 36px);
  font-weight: 400;
  line-height: 1.25;
}

.welcome-content p span {
  display: block;
}

.welcome-enter {
  display: grid;
  width: clamp(62px, 7vw, 94px);
  height: clamp(62px, 7vw, 94px);
  margin-top: clamp(24px, 4vw, 42px);
  place-items: center;
  border: 1px solid rgba(255, 240, 164, 0.34);
  border-radius: 50%;
  background: rgba(255, 224, 100, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 240, 164, 0.08),
    0 0 22px rgba(255, 224, 100, 0.28),
    0 0 48px rgba(255, 224, 100, 0.16);
  cursor: pointer;
  transition:
    box-shadow 180ms ease,
    transform 180ms ease,
    background 180ms ease;
}

.welcome-enter img {
  display: block;
  width: 78%;
  height: 78%;
  object-fit: contain;
  filter:
    drop-shadow(0 0 8px rgba(255, 244, 184, 0.48))
    drop-shadow(0 8px 12px rgba(0, 0, 0, 0.3));
}

.welcome-enter:hover,
.welcome-enter:focus-visible {
  background: rgba(255, 224, 100, 0.14);
  box-shadow:
    0 0 0 1px rgba(255, 240, 164, 0.18),
    0 0 28px rgba(255, 224, 100, 0.42),
    0 0 62px rgba(255, 224, 100, 0.24);
  outline: none;
  transform: translateY(-2px) scale(1.03);
}

.welcome-screen.is-leaving {
  pointer-events: none;
  animation: welcomeFade 1200ms ease forwards;
}

.welcome-screen.is-leaving .welcome-content {
  animation: welcomeTextLeave 1050ms ease forwards;
}

.welcome-screen.is-hidden {
  display: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
}

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: clamp(54px, 6vh, 84px) clamp(16px, 3vw, 56px);
}

.corner-label {
  position: fixed;
  z-index: 20;
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 400;
  line-height: 1;
  text-shadow:
    0 0 5px rgba(255, 236, 128, 0.72),
    0 0 14px rgba(255, 214, 80, 0.38),
    0 1px 1px rgba(56, 42, 11, 0.28);
  text-transform: none;
}

.corner-home-wrap {
  position: fixed;
  top: var(--corner-pad);
  left: var(--corner-pad);
  z-index: 24;
  padding-bottom: 14px;
}

.corner-label--left {
  top: var(--corner-pad);
  left: var(--corner-pad);
  font-family: "Pixelify Sans", "Courier New", monospace;
  font-weight: 600;
  font-size: clamp(24px, 2.4vw, 38px);
  letter-spacing: 0.03em;
}

.corner-home-wrap .corner-label--left {
  position: static;
}

.corner-home {
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.corner-home:hover,
.corner-home:focus-visible {
  color: #fff9ce;
  outline: none;
  text-shadow:
    0 0 6px rgba(255, 244, 184, 0.95),
    0 0 18px rgba(255, 219, 80, 0.55),
    0 0 30px rgba(255, 219, 80, 0.34);
}

.corner-home-menu {
  position: absolute;
  top: calc(100% - 6px);
  left: 0;
  min-width: 92px;
  padding: 8px;
  border: 1px solid rgba(255, 240, 164, 0.28);
  border-radius: 8px;
  background: rgba(10, 12, 10, 0.74);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.24),
    0 0 18px rgba(255, 221, 99, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.corner-home-wrap:hover .corner-home-menu,
.corner-home-wrap:focus-within .corner-home-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.corner-home-menu button {
  width: 100%;
  padding: 5px 9px;
  border-radius: 6px;
  background: rgba(255, 244, 184, 0.08);
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: 18px;
  line-height: 1;
  text-align: left;
  text-shadow:
    0 0 6px rgba(255, 244, 184, 0.58),
    0 0 14px rgba(255, 219, 80, 0.3);
  cursor: pointer;
}

.corner-home-menu button:hover,
.corner-home-menu button:focus-visible {
  background: rgba(255, 224, 100, 0.16);
  outline: none;
}

.corner-label--right {
  top: var(--corner-pad);
  right: var(--corner-pad);
}

.corner-label--bottom-left {
  bottom: var(--corner-pad);
  left: var(--corner-pad);
}

.corner-label--bottom-right {
  right: var(--corner-pad);
  bottom: var(--corner-pad);
  text-align: right;
}

.yuva-stage {
  position: relative;
  width: min(100%, 1840px);
  min-height: clamp(620px, 58vw, 1040px);
  aspect-ratio: 16 / 9;
  isolation: isolate;
  transform: translateY(clamp(-54px, -4vh, -18px));
}

.main-image-area,
.write-button {
  position: absolute;
  left: 50%;
  transform: translate(calc(-50% - 6px), -2px);
}

.main-image-area {
  top: 50%;
  left: 46%;
  z-index: 2;
  display: grid;
  width: var(--main-w);
  height: var(--main-h);
  overflow: visible;
  place-items: center;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  box-shadow: none;
  transform: translate(-50%, -50%);
}

.main-tree-base,
.main-tree-breath-layer img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.main-tree-base {
  animation: none;
  clip-path: inset(68% 0 0 0);
}

.main-tree-breath-layer {
  position: absolute;
  inset: 0;
  overflow: visible;
  clip-path: inset(0 0 32% 0);
  pointer-events: none;
  transform-origin: 50% 100%;
}

.main-tree-breath-layer img {
  animation: treeShake 5.5s ease-in-out infinite;
  transform-origin: 50% 100%;
}

.main-image-area:hover .main-tree-breath-layer,
.main-image-area:focus-within .main-tree-breath-layer {
  animation: treeAnnoyedShake 520ms ease-out 1;
  filter: brightness(1.015) saturate(1.02);
}

.envelope-garden {
  position: absolute;
  top: 72%;
  left: 46%;
  z-index: 4;
  width: clamp(620px, 61vw, 1180px);
  height: clamp(170px, 13vw, 270px);
  pointer-events: auto;
  transform: translateX(-50%);
}

.envelope {
  position: absolute;
  width: var(--envelope-size);
  aspect-ratio: 1.35 / 1;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: translate(-50%, -50%);
  transform-origin: 50% 80%;
  cursor: pointer;
  pointer-events: auto;
  transition:
    filter 880ms ease,
    transform 1280ms cubic-bezier(0.22, 1, 0.36, 1);
  user-select: none;
}

.envelope::before {
  position: absolute;
  bottom: -7px;
  left: 50%;
  width: 72%;
  height: 18%;
  border-radius: 50%;
  background: rgba(5, 7, 5, 0.28);
  content: "";
  filter: blur(3px);
  transform: translateX(-50%);
}

.envelope img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  filter:
    var(--envelope-filter, none)
    drop-shadow(1px 0 rgba(255, 244, 184, 0.18))
    drop-shadow(-1px 0 rgba(45, 35, 20, 0.22))
    drop-shadow(0 7px 8px rgba(24, 22, 21, 0.18));
  transform: translateY(0) rotateZ(var(--envelope-rotate, 0deg));
  transform-origin: 50% 80%;
  animation: envelopeBob var(--envelope-bob-duration, 3.4s) ease-in-out var(--envelope-bob-delay, 0s) infinite;
  pointer-events: none;
}

.envelope:hover,
.envelope:focus-visible {
  transform: translate(-50%, calc(-50% - 28px)) scale(1.14);
  transition:
    filter 140ms ease,
    transform 140ms cubic-bezier(0, 0, 0.2, 1);
  outline: none;
}

.envelope:hover img,
.envelope:focus-visible img {
  filter:
    var(--envelope-filter, none)
    brightness(1.08)
    drop-shadow(1px 0 rgba(255, 244, 184, 0.28))
    drop-shadow(-1px 0 rgba(45, 35, 20, 0.18))
    drop-shadow(0 18px 18px rgba(24, 22, 21, 0.28))
    drop-shadow(0 0 12px rgba(255, 224, 100, 0.18));
}

.envelope:hover::before,
.envelope:focus-visible::before {
  opacity: 0.5;
  transform: translateX(-50%) scale(1.18, 0.8);
}

.envelope.is-falling {
  z-index: 6;
}

.envelope.is-falling img {
  animation: none;
  filter: var(--envelope-filter, none) drop-shadow(0 12px 16px rgba(24, 22, 21, 0.22));
}

.roaming-cat {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 18;
  width: clamp(66px, 5.8vw, 102px);
  aspect-ratio: 4 / 3;
  opacity: 0.95;
  padding: 0;
  background: transparent;
  cursor: grab;
  touch-action: none;
  transform: translate3d(var(--cat-x, 64vw), var(--cat-y, 70vh), 0) scaleX(var(--cat-face, 1));
  transform-origin: 50% 50%;
  transition: filter 180ms ease;
  user-select: none;
}

.scene-sign {
  position: fixed;
  top: 72%;
  left: clamp(18px, 4vw, 72px);
  z-index: 17;
  width: clamp(86px, 9vw, 150px);
  height: auto;
  image-rendering: pixelated;
  filter:
    drop-shadow(0 8px 10px rgba(10, 8, 4, 0.34))
    drop-shadow(0 0 8px rgba(255, 224, 96, 0.12));
  pointer-events: none;
  transform: translateY(-50%);
}

.roaming-cat:active,
.roaming-cat.is-dragging {
  cursor: grabbing;
}

.roaming-cat:hover,
.roaming-cat:focus-visible,
.roaming-cat.is-dragging {
  filter:
    drop-shadow(0 0 8px rgba(255, 244, 184, 0.28))
    brightness(1.04);
  outline: none;
}

.cat-sprite {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(1px 0 rgba(255, 244, 184, 0.2))
    drop-shadow(-1px 0 rgba(45, 35, 20, 0.24));
  image-rendering: pixelated;
  pointer-events: none;
  transform-origin: 50% 0%;
}

.cat-shadow {
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 62%;
  height: 14%;
  border-radius: 50%;
  background: rgba(5, 7, 5, 0.22);
  filter: blur(3px);
  transform: translateX(-50%);
}

.roaming-cat.is-sitting .cat-sprite {
  animation: catBreathe 1700ms ease-in-out infinite;
}

.roaming-cat.is-dragging .cat-sprite {
  animation: none;
  transform: rotate(var(--cat-swing, 0deg));
}

.hanging-ornaments {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.hanging-ornament {
  position: absolute;
  width: clamp(22px, 2.4vw, 36px);
  animation: ornamentTreeMove 5.5s ease-in-out infinite;
}

.hanging-ornament img {
  display: block;
  width: 100%;
  image-rendering: auto;
  filter:
    brightness(0.92)
    contrast(0.9)
    saturate(0.95)
    drop-shadow(0 6px 7px rgba(18, 10, 4, 0.28))
    drop-shadow(0 0 7px rgba(255, 224, 96, 0.16));
  transform-origin: 50% 0;
  animation: var(--ornament-swing, ornamentSwingSoft) var(--ornament-speed, 4.8s) ease-in-out infinite;
}

.hanging-ornament--star {
  top: calc(15.5% + 289px);
  right: calc(29% + 177px);
  left: auto;
  --ornament-speed: 4.3s;
  --ornament-swing: ornamentSwingStar;
  animation-delay: -0.8s;
}

.hanging-ornament--cd {
  top: calc(18.5% + 288px);
  right: calc(25% + 164.5px);
  left: auto;
  width: clamp(24px, 2.5vw, 38px);
  --ornament-speed: 5.6s;
  --ornament-swing: ornamentSwingCd;
  animation-delay: -2.1s;
}

.ornament-hotspot {
  position: absolute;
  z-index: 6;
  border: 0;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
  transform: translate(-18%, -12%);
}

.ornament-hotspot--star {
  top: calc(15.5% + 289px);
  right: calc(29% + 177px);
  width: clamp(34px, 3.7vw, 56px);
  height: clamp(44px, 4.5vw, 68px);
}

.ornament-hotspot--cd {
  top: calc(18.5% + 288px);
  right: calc(25% + 164.5px);
  width: clamp(36px, 3.8vw, 58px);
  height: clamp(46px, 4.6vw, 70px);
}

.ornament-hotspot:focus-visible {
  outline: 2px solid rgba(255, 244, 184, 0.74);
  outline-offset: 3px;
}

.ribbon-hotspot {
  position: absolute;
  top: 50%;
  left: 35.2%;
  z-index: 7;
  width: clamp(82px, 6.8vw, 112px);
  height: clamp(62px, 5.2vw, 86px);
  border: 0;
  background: transparent;
  cursor: pointer;
  transform: translate(-50%, -50%);
}

.ribbon-hotspot:focus-visible {
  outline: 2px solid rgba(255, 244, 184, 0.74);
  outline-offset: 4px;
}

.memory-orbit {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.blue-square {
  position: absolute;
  display: grid;
  width: var(--blue-size);
  height: var(--blue-size);
  opacity: var(--bird-opacity, 0.9);
  overflow: visible;
  place-items: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  pointer-events: auto;
  transition:
    transform 220ms ease,
    filter 220ms ease;
  animation: squareFloat var(--float-duration, 8s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
}

.blue-square:hover,
.blue-square:focus-visible {
  cursor: pointer;
  filter: var(--bird-hover-filter, drop-shadow(0 12px 24px rgba(24, 22, 21, 0.16)) saturate(1.02));
  transform: scale(1.05);
  outline: none;
}

.blue-square img {
  width: 100%;
  height: 100%;
  filter: var(--bird-filter, none);
  object-fit: contain;
}

.blue-square:nth-child(1) img,
.blue-square:nth-child(3) img {
  transform: scaleX(-1) scale(var(--bird-depth-scale, 1)) rotate(var(--bird-tilt, 0deg));
}

.blue-square:nth-child(2) img,
.blue-square:nth-child(4) img {
  transform: scale(var(--bird-depth-scale, 1)) rotate(var(--bird-tilt, 0deg));
}

.blue-square:nth-child(5) img {
  transform: scaleX(-1) scale(var(--bird-depth-scale, 1)) rotate(calc(var(--bird-tilt, 0deg) + 18deg));
}

.blue-square:nth-child(6) img {
  transform: scale(var(--bird-depth-scale, 1)) rotate(calc(var(--bird-tilt, 0deg) + 30deg));
}

.blue-square:nth-child(1) {
  top: 14%;
  left: 12%;
  --bird-depth-scale: 0.72;
  --bird-filter: brightness(0.82) contrast(1.08) saturate(1.12) blur(0.32px);
  --bird-hover-filter: brightness(0.9) contrast(1.12) saturate(1.18) blur(0.22px);
  --bird-opacity: 1;
}

.blue-square:nth-child(2) {
  top: 12%;
  right: 14%;
  --bird-depth-scale: 0.66;
  --bird-filter: brightness(0.8) contrast(1.08) saturate(1.12) blur(0.36px);
  --bird-hover-filter: brightness(0.88) contrast(1.12) saturate(1.18) blur(0.24px);
  --bird-opacity: 1;
}

.blue-square:nth-child(3) {
  top: 48%;
  left: 9%;
  --bird-depth-scale: 0.94;
  --bird-filter: brightness(0.92) contrast(1.1) saturate(1.14) blur(0.06px);
  --bird-hover-filter: brightness(1) contrast(1.14) saturate(1.2) drop-shadow(0 10px 18px rgba(24, 22, 21, 0.12));
  --bird-opacity: 1;
}

.blue-square:nth-child(4) {
  top: 47%;
  right: 11%;
  --bird-depth-scale: 0.9;
  --bird-filter: brightness(0.9) contrast(1.1) saturate(1.14) blur(0.08px);
  --bird-hover-filter: brightness(0.98) contrast(1.14) saturate(1.2) drop-shadow(0 10px 18px rgba(24, 22, 21, 0.12));
  --bird-opacity: 1;
}

.blue-square:nth-child(5) {
  top: 7%;
  left: 25%;
  --bird-depth-scale: 0.58;
  --bird-filter: brightness(0.78) contrast(1.06) saturate(1.1) blur(0.42px);
  --bird-hover-filter: brightness(0.86) contrast(1.1) saturate(1.16) blur(0.3px);
  --bird-opacity: 1;
}

.blue-square:nth-child(6) {
  top: 26%;
  right: 23%;
  --bird-depth-scale: 0.74;
  --bird-filter: brightness(0.84) contrast(1.08) saturate(1.12) blur(0.26px);
  --bird-hover-filter: brightness(0.92) contrast(1.12) saturate(1.18) blur(0.16px);
  --bird-opacity: 1;
}

.write-button {
  top: 64%;
  z-index: 6;
  width: clamp(280px, 21vw, 430px);
  height: auto;
  aspect-ratio: 3.35 / 1;
  border-radius: 0;
  background: url("images/Mektup Yaz.png") center / contain no-repeat;
  color: transparent;
  filter:
    drop-shadow(0 0 6px rgba(255, 247, 178, 0.9))
    drop-shadow(0 0 18px rgba(255, 211, 70, 0.5))
    drop-shadow(0 16px 18px rgba(24, 12, 4, 0.48));
  font-weight: 800;
  isolation: isolate;
  opacity: 0;
  outline: none;
  pointer-events: none;
  transition:
    opacity 520ms ease,
    transform 180ms ease,
    filter 180ms ease;
}

body.has-entered .write-button {
  opacity: 1;
  pointer-events: auto;
}

.write-button span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.write-button:hover,
.write-button:focus-visible {
  cursor: pointer;
  filter:
    drop-shadow(0 0 9px rgba(255, 250, 197, 1))
    drop-shadow(0 0 26px rgba(255, 213, 70, 0.72))
    drop-shadow(0 18px 22px rgba(24, 12, 4, 0.55))
    brightness(1.08);
  outline: none;
  transform: translate(calc(-50% - 6px), -5px) rotate(-0.7deg);
}

.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 50;
  width: min(360px, calc(100vw - 44px));
  padding: 24px 30px 26px;
  border: 1px solid rgba(255, 240, 164, 0.32);
  border-radius: 8px;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 236, 130, 0.14), transparent 28%),
    rgba(10, 12, 10, 0.74);
  box-shadow:
    0 22px 70px rgba(0, 0, 0, 0.34),
    0 0 28px rgba(255, 221, 99, 0.18),
    inset 0 0 18px rgba(255, 240, 164, 0.06);
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: clamp(22px, 2.1vw, 30px);
  font-weight: 400;
  line-height: 1.2;
  text-align: center;
  text-shadow:
    0 0 6px rgba(255, 244, 184, 0.55),
    0 0 14px rgba(255, 219, 80, 0.34);
  opacity: 0;
  transform: translate(-50%, calc(-50% + 12px)) scale(0.96);
  transition:
    opacity 260ms ease,
    transform 260ms cubic-bezier(0.2, 0.72, 0.22, 1);
  visibility: hidden;
  pointer-events: none;
}

.toast::before,
.toast::after {
  content: "✦";
  position: absolute;
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: 22px;
  opacity: 0.86;
  text-shadow:
    0 0 8px rgba(255, 244, 184, 0.85),
    0 0 18px rgba(255, 219, 80, 0.45);
}

.toast::before {
  top: 8px;
  right: 14px;
}

.toast::after {
  bottom: 8px;
  left: 16px;
  font-size: 16px;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  visibility: visible;
  animation: toastGlow 2600ms ease both;
}

@keyframes toastGlow {
  0% {
    filter: brightness(0.94);
  }
  18% {
    filter: brightness(1.08);
  }
  100% {
    filter: brightness(1);
  }
}

@keyframes welcomeFade {
  0%,
  62% {
    opacity: 1;
    visibility: visible;
  }
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes welcomeTextDrift {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes welcomeTextLeave {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-8px) scale(1.01);
  }
}

@keyframes welcomeParticles {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-22px, -28px, 0);
  }
}

dialog {
  border: 0;
  padding: 0;
  background: transparent;
}

dialog::backdrop {
  background: rgba(247, 245, 240, 0.72);
  backdrop-filter: blur(12px);
}

.letter-dialog[open],
.ribbon-dialog[open] {
  animation: modalIn 240ms ease both;
}

.ribbon-dialog::backdrop {
  background: rgba(5, 7, 5, 0.34);
  backdrop-filter: blur(2px);
}

.ribbon-note {
  position: relative;
  width: min(460px, calc(100vw - 42px));
  border: 1px solid rgba(255, 240, 164, 0.28);
  border-radius: 8px;
  background: rgba(10, 12, 10, 0.72);
  box-shadow:
    0 22px 70px rgba(0, 0, 0, 0.32),
    0 0 26px rgba(255, 221, 99, 0.14);
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  padding: 26px 32px 28px;
  text-align: center;
  text-shadow: 0 0 8px rgba(255, 224, 101, 0.28);
}

.ribbon-note--wide {
  width: min(720px, calc(100vw - 42px));
  text-align: left;
}

.ribbon-note--wide h2 {
  text-align: center;
}

.ribbon-note--small {
  width: min(390px, calc(100vw - 42px));
}

.ribbon-note h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 400;
}

.ribbon-note-image {
  display: block;
  width: clamp(58px, 6vw, 92px);
  margin: 0 auto 12px;
  filter:
    drop-shadow(0 0 8px rgba(255, 222, 92, 0.22))
    drop-shadow(0 8px 12px rgba(0, 0, 0, 0.28));
}

.ribbon-note p {
  margin: 0;
  font-size: clamp(18px, 1.6vw, 23px);
  line-height: 1.35;
}

.ribbon-note p + p {
  margin-top: 14px;
}

.ribbon-note-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 244, 184, 0.08);
  color: #fff4b8;
  cursor: pointer;
  font: inherit;
  font-size: 24px;
  line-height: 1;
}

.ribbon-note-close:hover,
.ribbon-note-close:focus-visible {
  background: rgba(255, 244, 184, 0.16);
  outline: none;
}

.letter-modal {
  display: flex;
  flex-direction: column;
  width: min(1120px, calc(100vw - 24px));
  height: min(900px, calc(100vh - 24px));
  max-height: calc(100vh - 32px);
  overflow: hidden;
  border: 1px solid rgba(255, 240, 164, 0.24);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 226, 100, 0.1), transparent 34%),
    rgba(10, 12, 10, 0.76);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.42),
    0 0 34px rgba(255, 221, 99, 0.14);
  color: #fff4b8;
  padding: clamp(18px, 2.4vw, 30px);
  text-shadow: 0 0 8px rgba(255, 224, 101, 0.2);
}

.modal-head,
.modal-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.modal-kicker {
  margin: 0 0 6px;
  color: rgba(255, 244, 184, 0.62);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.modal-head h1 {
  margin: 0;
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: clamp(28px, 3.8vw, 54px);
  font-weight: 400;
  line-height: 0.95;
}

.icon-button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 244, 184, 0.08);
  color: #fff4b8;
  font-size: 28px;
  line-height: 1;
}

.icon-button:hover,
.icon-button:focus-visible {
  cursor: pointer;
  background: rgba(255, 244, 184, 0.16);
  outline: none;
}

.modal-grid {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(320px, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(18px, 2.4vw, 30px);
  min-height: 0;
  margin: 20px 0;
  overflow: hidden;
}

.letter-editor {
  display: grid;
  grid-template-rows: auto minmax(220px, 0.9fr) auto auto auto;
  align-content: start;
  gap: 10px;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-gutter: stable;
}

.name-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px;
}

.letter-editor label,
.control-grid label,
.recipient-field legend,
.sticker-field legend,
.visual-field legend {
  color: rgba(255, 244, 184, 0.7);
  font-size: 12px;
  font-weight: 800;
}

.name-row > label:not(.anon-option) {
  display: grid;
  gap: 7px;
}

.letter-editor input,
.letter-editor textarea,
.control-grid select,
.control-grid input[type="color"] {
  width: 100%;
  border: 1px solid rgba(255, 240, 164, 0.22);
  border-radius: var(--radius);
  background: rgba(5, 7, 5, 0.38);
  color: #fff8d6;
  outline: none;
}

.letter-editor input,
.control-grid select {
  height: 42px;
  padding: 0 12px;
}

.hidden-option-label {
  display: none !important;
}

.hidden-control {
  position: absolute;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  border: 0 !important;
  opacity: 0;
  pointer-events: none;
}

.anon-option {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  color: rgba(255, 244, 184, 0.82) !important;
  white-space: nowrap;
  cursor: pointer;
}

.anon-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.anon-option span {
  display: block;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 240, 164, 0.56);
  border-radius: 3px;
  background: rgba(5, 7, 5, 0.36);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.32);
}

.anon-option input:checked + span {
  background:
    linear-gradient(135deg, transparent 43%, #fff4b8 44% 56%, transparent 57%),
    linear-gradient(45deg, transparent 46%, #fff4b8 47% 55%, transparent 56%),
    rgba(255, 224, 100, 0.18);
  box-shadow:
    inset 0 0 8px rgba(0, 0, 0, 0.2),
    0 0 12px rgba(255, 224, 100, 0.18);
}

.anon-option:focus-within span {
  outline: 2px solid rgba(255, 240, 164, 0.6);
  outline-offset: 2px;
}

.letter-editor textarea {
  height: 100%;
  min-height: 0;
  resize: none;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px;
  line-height: 1.55;
}

.letter-editor input:focus,
.letter-editor textarea:focus,
.control-grid select:focus,
.control-grid input[type="color"]:focus {
  border-color: rgba(23, 21, 20, 0.36);
  border-color: rgba(255, 240, 164, 0.58);
  box-shadow:
    0 0 0 3px rgba(255, 224, 100, 0.12),
    0 0 16px rgba(255, 224, 100, 0.1);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 8px;
}

.control-grid label {
  display: grid;
  gap: 7px;
}

.control-grid input[type="color"] {
  height: 42px;
  padding: 5px;
}

.recipient-field {
  border: 0;
  margin: 0;
  padding: 0;
}

.recipient-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 7px;
}

.recipient-row label {
  display: block;
}

.recipient-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.recipient-row span {
  display: grid;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255, 240, 164, 0.24);
  border-radius: var(--radius);
  background: rgba(5, 7, 5, 0.34);
  color: #fff4b8;
  font-family: "Jersey 15", "Pixelify Sans", "Courier New", monospace;
  font-size: 20px;
  line-height: 1;
  text-shadow: 0 0 8px rgba(255, 244, 184, 0.28);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.recipient-row label:hover span,
.recipient-row label:focus-within span {
  border-color: rgba(255, 240, 164, 0.5);
  transform: translateY(-1px);
}

.recipient-row input:checked + span {
  border-color: rgba(255, 240, 164, 0.68);
  background: rgba(255, 224, 100, 0.14);
  box-shadow:
    0 0 0 1px rgba(255, 240, 164, 0.16),
    0 0 16px rgba(255, 224, 100, 0.14);
}

.sticker-field {
  grid-column: 1 / -1;
  border: 0;
  margin: 0;
  padding: 0;
}

.sticker-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 7px;
}

.sticker-row label {
  display: block;
}

.sticker-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sticker-row span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 240, 164, 0.22);
  border-radius: var(--radius);
  background: rgba(5, 7, 5, 0.34);
  color: #fff4b8;
  font-size: 15px;
  overflow: hidden;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.sticker-row input:checked + span {
  border-color: rgba(255, 240, 164, 0.58);
  background: rgba(255, 224, 100, 0.14);
  box-shadow: 0 0 14px rgba(255, 224, 100, 0.14);
}

.sticker-row label:hover span,
.sticker-row label:focus-within span {
  border-color: rgba(255, 240, 164, 0.44);
  transform: translateY(-1px);
}

.sticker-row img {
  display: block;
  width: 86%;
  height: 86%;
  object-fit: contain;
  image-rendering: auto;
}

.letter-preview-wrap {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 100%;
  overflow: hidden;
  gap: 14px;
}

.visual-options {
  display: grid;
  width: 100%;
  min-width: 0;
  gap: 12px;
}

.visual-field {
  border: 1px solid rgba(255, 240, 164, 0.16);
  border-radius: var(--radius);
  margin: 0;
  padding: 10px;
  background: rgba(5, 7, 5, 0.2);
}

.paper-choice-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}

.paper-choice,
.envelope-choice {
  position: relative;
  display: grid;
  place-items: end center;
  overflow: hidden;
  border: 1px solid rgba(255, 240, 164, 0.2);
  border-radius: var(--radius);
  color: rgba(255, 248, 214, 0.82);
  cursor: pointer;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.paper-choice input,
.envelope-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.paper-choice {
  min-height: 54px;
  padding: 6px;
  box-shadow: inset 0 -22px 26px rgba(0, 0, 0, 0.18);
}

.paper-choice::before {
  content: "";
  position: absolute;
  inset: 7px 10px 20px;
  border: 1px solid rgba(45, 41, 38, 0.08);
  border-radius: 3px;
  background: inherit;
  box-shadow: 0 7px 14px rgba(0, 0, 0, 0.16);
}

.paper-choice span,
.envelope-choice span {
  position: relative;
  z-index: 1;
  font-size: 11px;
  font-weight: 800;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.62);
}

.envelope-choice-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}

.envelope-choice {
  min-height: 45px;
  padding: 6px;
  background: rgba(5, 7, 5, 0.2);
}

.envelope-choice::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  width: 34px;
  height: 20px;
  border: 1px solid rgba(45, 41, 38, 0.14);
  border-radius: 2px;
  transform: translateX(-50%) skewX(-8deg);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.2),
    0 5px 10px rgba(0, 0, 0, 0.16);
}

.envelope-choice::after {
  content: "";
  position: absolute;
  top: 9px;
  left: 50%;
  width: 24px;
  height: 13px;
  border-left: 1px solid rgba(45, 41, 38, 0.14);
  border-bottom: 1px solid rgba(45, 41, 38, 0.14);
  transform: translateX(-50%) rotate(-45deg) skew(8deg);
  transform-origin: center;
}

.envelope-choice--cream::before,
.envelope-choice--cream::after {
  background: #bda9dd;
}

.envelope-choice--rose::before,
.envelope-choice--rose::after {
  background: #efb6be;
}

.envelope-choice--blue::before,
.envelope-choice--blue::after {
  background: #ead472;
}

.envelope-choice--sage::before,
.envelope-choice--sage::after {
  background: #aebd83;
}

.paper-choice:hover,
.paper-choice:focus-within,
.envelope-choice:hover,
.envelope-choice:focus-within {
  border-color: rgba(255, 240, 164, 0.42);
  transform: translateY(-1px);
}

.paper-choice:has(input:checked),
.envelope-choice:has(input:checked) {
  border-color: rgba(255, 240, 164, 0.72);
  box-shadow:
    0 0 0 1px rgba(255, 240, 164, 0.2),
    0 0 18px rgba(255, 224, 100, 0.16),
    inset 0 -22px 26px rgba(0, 0, 0, 0.14);
}

.letter-preview {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid rgba(255, 240, 164, 0.24);
  border-radius: var(--radius);
  box-shadow:
    0 18px 54px rgba(0, 0, 0, 0.24),
    0 0 18px rgba(255, 224, 100, 0.08);
  padding: clamp(24px, 4vw, 46px);
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
}

.letter-preview p {
  display: block;
  max-width: 100%;
  margin: 0;
  color: inherit;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

#previewBody {
  max-width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.preview-signature {
  margin-top: 28px !important;
  text-align: right;
  font-size: clamp(14px, 1.1vw, 17px) !important;
  opacity: 0.82;
}

.preview-sticker {
  position: absolute;
  top: 16px;
  right: 18px;
  width: clamp(48px, 5vw, 72px);
  height: clamp(48px, 5vw, 72px);
  display: grid;
  place-items: center;
  pointer-events: none;
}

.preview-sticker img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 7px 12px rgba(0, 0, 0, 0.16));
}

.paper-warm {
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 255, 255, 0.7), transparent 22%),
    linear-gradient(135deg, rgba(255, 219, 151, 0.18), transparent 36%),
    #fff3d9;
}

.paper-linen {
  background:
    linear-gradient(90deg, rgba(75, 62, 42, 0.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(75, 62, 42, 0.08) 1px, transparent 1px),
    #efe3c4;
  background-size: 11px 11px;
}

.paper-blue {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.38), transparent 32%),
    repeating-linear-gradient(0deg, transparent 0 25px, rgba(62, 117, 153, 0.18) 26px 27px),
    #d9edf7;
}

.paper-rose {
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.58), transparent 24%),
    repeating-linear-gradient(135deg, rgba(181, 72, 94, 0.08) 0 2px, transparent 2px 12px),
    #ffe1e7;
}

.font-modern {
  font-family: Inter, system-ui, sans-serif;
}

.font-serif {
  font-family: "Playfair Display", Georgia, serif;
}

.font-soft {
  font-family: Georgia, "Times New Roman", serif;
}

.font-pixel {
  font-family: "Pixelify Sans", "Jersey 15", "Courier New", monospace;
}

.font-mono {
  font-family: "Courier New", "Lucida Console", monospace;
}

.font-hand {
  font-family: "Comic Sans MS", "Bradley Hand ITC", cursive;
}

.font-dream {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
}

.ghost-button,
.send-button {
  min-width: 110px;
  height: 44px;
  border-radius: var(--radius);
  font-weight: 800;
}

.ghost-button {
  border: 1px solid rgba(255, 240, 164, 0.2);
  background: rgba(255, 244, 184, 0.08);
  color: #fff4b8;
}

.send-button {
  border: 1px solid rgba(255, 240, 164, 0.48);
  background: rgba(255, 224, 100, 0.18);
  box-shadow: 0 0 18px rgba(255, 224, 100, 0.14);
  color: #fff4b8;
}

.ghost-button:hover,
.ghost-button:focus-visible,
.send-button:hover,
.send-button:focus-visible {
  cursor: pointer;
  outline: none;
  transform: translateY(-1px);
}

@keyframes mainBreathe {
  0%,
  100% {
    filter: brightness(1) saturate(1);
    opacity: 0.92;
    transform: scale(1) translateY(0);
  }
  50% {
    filter: brightness(1.04) saturate(1.04);
    opacity: 1;
    transform: scale(1.035) translateY(-6px);
  }
}

@keyframes treeShake {
  0%,
  100% {
    filter: brightness(1) saturate(1);
    opacity: 0.98;
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  18% {
    transform: translate3d(-1.5px, 0.8px, 0) rotate(-0.35deg);
  }
  36% {
    transform: translate3d(1.2px, -0.6px, 0) rotate(0.28deg);
  }
  54% {
    filter: brightness(1.025) saturate(1.02);
    opacity: 1;
    transform: translate3d(-0.8px, -0.4px, 0) rotate(-0.18deg);
  }
  72% {
    transform: translate3d(1px, 0.5px, 0) rotate(0.22deg);
  }
}

@keyframes treeAnnoyedShake {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  16% {
    transform: translate3d(-2px, 0.4px, 0) rotate(-0.45deg);
  }
  32% {
    transform: translate3d(1.6px, -0.3px, 0) rotate(0.38deg);
  }
  48% {
    transform: translate3d(-1px, 0.25px, 0) rotate(-0.25deg);
  }
  64% {
    transform: translate3d(0.8px, -0.2px, 0) rotate(0.18deg);
  }
  82% {
    transform: translate3d(-0.35px, 0, 0) rotate(-0.08deg);
  }
}

@keyframes squareFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(var(--start-rotation, -2deg)) scale(1);
  }
  50% {
    transform: translate3d(var(--float-x, 8px), var(--float-y, -12px), 0) rotate(var(--end-rotation, 3deg)) scale(1.025);
  }
}

@keyframes ornamentTreeSway {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  18% {
    transform: translate3d(-1.5px, 0.8px, 0) rotate(-0.35deg);
  }
  36% {
    transform: translate3d(1.2px, -0.6px, 0) rotate(0.28deg);
  }
  54% {
    transform: translate3d(-0.8px, -0.4px, 0) rotate(-0.18deg);
  }
  72% {
    transform: translate3d(1px, 0.5px, 0) rotate(0.22deg);
  }
}

@keyframes ornamentTreeMove {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  18% {
    transform: translate3d(-1.5px, 0.8px, 0);
  }
  36% {
    transform: translate3d(1.2px, -0.6px, 0);
  }
  54% {
    transform: translate3d(-0.8px, -0.4px, 0);
  }
  72% {
    transform: translate3d(1px, 0.5px, 0);
  }
}

@keyframes ornamentSwingSoft {
  0%,
  100% {
    transform: rotate(-2deg);
  }
  50% {
    transform: rotate(2deg);
  }
}

@keyframes ornamentSwingStar {
  0%,
  100% {
    transform: rotate(-3.4deg);
  }
  50% {
    transform: rotate(3deg);
  }
}

@keyframes ornamentSwingCd {
  0%,
  100% {
    transform: rotate(2.2deg);
  }
  50% {
    transform: rotate(-2.8deg);
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes envelopeSettle {
  0% {
    transform: translate(-50%, -62%) rotateZ(calc(var(--envelope-rotate, 0deg) - 5deg)) scale(1.08);
  }
  55% {
    transform: translate(-50%, -50%) rotateZ(calc(var(--envelope-rotate, 0deg) + 2deg)) scale(0.98);
  }
  100% {
    transform: translate(-50%, -50%) rotateZ(var(--envelope-rotate, 0deg)) scale(1);
  }
}

@keyframes envelopeBob {
  0%,
  100% {
    transform: translateY(0) rotateZ(var(--envelope-rotate, 0deg));
  }
  50% {
    transform: translateY(-5px) rotateZ(var(--envelope-rotate, 0deg));
  }
}

@keyframes catBreathe {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-1px) scale(1.015, 0.99);
  }
}

@media (max-width: 900px) {
  body {
    background-attachment: scroll;
  }

  .page-shell {
    min-height: auto;
    padding: 78px 14px 92px;
  }

  .yuva-stage {
    display: flex;
    min-height: auto;
    aspect-ratio: auto;
    flex-direction: column;
    align-items: center;
    width: min(100%, 640px);
    gap: 20px;
    padding: 16px 0 0;
    transform: translateY(-22px);
  }

  .main-image-area,
  .envelope-garden,
  .write-button {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
  }

  .main-image-area {
    width: min(92vw, 620px);
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .envelope-garden {
    width: min(94vw, 620px);
    height: clamp(142px, 28vw, 188px);
    margin-top: -68px;
  }

  .write-button:hover,
  .write-button:focus-visible {
    transform: translateY(-2px);
  }

  .memory-orbit {
    position: relative;
    display: grid;
    width: min(92vw, 620px);
    grid-template-columns: repeat(5, 1fr);
    gap: 9px;
    order: 2;
    pointer-events: auto;
  }

  .hanging-ornaments {
    display: none;
  }

  .blue-square {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }

  .letter-modal {
    width: min(100vw - 16px, 760px);
    height: min(920px, calc(100dvh - 16px));
    overflow-y: auto;
  }

  .modal-grid {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .letter-editor {
    grid-template-rows: auto minmax(220px, 320px) auto auto auto;
    overflow: visible;
    padding-right: 0;
  }

  .letter-preview-wrap {
    min-height: 520px;
  }

  .letter-preview {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  :root {
    --corner-pad: 12px;
  }

  .corner-label--right {
    max-width: 150px;
    text-align: right;
  }

  .corner-label--bottom-right {
    max-width: 145px;
    line-height: 1.25;
  }

  .corner-label--bottom-left {
    display: none;
  }

  .scene-sign {
    width: 78px;
    opacity: 0.82;
  }

  .roaming-cat {
    width: 68px;
  }

  .memory-orbit {
    grid-template-columns: repeat(2, 1fr);
    max-width: 360px;
  }

  .write-button {
    width: min(82vw, 310px);
  }

  .letter-dialog {
    padding: 0;
  }

  .letter-modal {
    width: calc(100vw - 10px);
    height: calc(100dvh - 10px);
  }

  .letter-preview-wrap {
    min-height: 430px;
  }

  .letter-preview {
    min-height: 300px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .name-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .anon-option {
    min-height: 30px;
    padding-bottom: 0;
  }

  .paper-choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .envelope-choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modal-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .ghost-button,
  .send-button {
    width: 100%;
  }
}

@media (min-width: 1700px) and (min-height: 900px) {
  .page-shell {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .yuva-stage {
    width: min(96vw, 1920px);
    transform: translateY(-28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-content,
  .welcome-screen::before {
    animation: none !important;
  }

  .welcome-screen.is-leaving {
    animation-duration: 400ms !important;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}