:root {
  color-scheme: dark;
  --bg: #09090c;
  --text: #f2ece8;
  --muted: #968d91;
  --faint: #625b60;
  --accent: #d86d86;
  --focus: rgba(216, 109, 134, 0.46);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
}

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

body {
  color: var(--text);
  font-family: "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior: none;
}

button,
input {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

button {
  touch-action: manipulation;
}

.app {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100svh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg);
}

@supports (height: 100dvh) {
  .app {
    height: 100dvh;
    min-height: 100dvh;
  }
}

#scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-ui,
.footer-ui,
.result-ui {
  position: absolute;
  z-index: 8;
}

.hero-ui {
  top: calc(18px + env(safe-area-inset-top));
  left: 50%;
  width: min(520px, calc(100% - 32px));
  padding: 0 12px 16px;
  border-bottom: 1px solid rgba(241, 235, 231, 0.055);
  background: linear-gradient(
    180deg,
    rgba(9, 9, 12, 0.98),
    rgba(9, 9, 12, 0.9) 72%,
    rgba(9, 9, 12, 0) 100%
  );
  transform: translateX(-50%);
  text-align: center;
}

.brand {
  display: inline-block;
  margin: 0 0 14px;
  color: #b6adaf;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-decoration: none;
  transition:
    color 220ms ease,
    transform 220ms var(--ease-out);
}

.brand:hover,
.brand:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

h1 {
  margin: 0 0 23px;
  font-family: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  font-size: clamp(22px, 2.2vw, 29px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}

.composer {
  width: min(380px, 100%);
  margin: 0 auto;
  text-align: left;
}

.composer label {
  display: block;
  margin-bottom: 11px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-align: center;
  text-transform: lowercase;
}

.input-row {
  position: relative;
  width: 100%;
  min-height: 42px;
}

.prompt-mark {
  position: absolute;
  top: 50%;
  left: 7px;
  z-index: 2;
  color: #7d7378;
  font-size: 22px;
  line-height: 1;
  transform: translateY(-53%);
  pointer-events: none;
}

#wordInput {
  display: block;
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 0 50px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  caret-color: var(--accent);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
  text-align: center;
}

#wordInput::selection {
  background: rgba(216, 109, 134, 0.28);
}

#wordInput:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--focus);
  outline-offset: 5px;
}

.submit-button {
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  padding: 0 0 2px;
  border: 1px solid rgba(241, 235, 231, 0.16);
  border-radius: 50%;
  background: rgba(241, 235, 231, 0.045);
  color: var(--muted);
  cursor: pointer;
  font-size: 17px;
  line-height: 1;
  transform: translateY(-50%);
  transition:
    border-color 220ms ease,
    background-color 220ms ease,
    color 220ms ease,
    transform 220ms var(--ease-out);
}

.submit-button:hover,
.submit-button:focus-visible {
  border-color: rgba(216, 109, 134, 0.65);
  background: rgba(216, 109, 134, 0.12);
  color: var(--text);
  transform: translateY(calc(-50% - 1px));
}

.submit-button:active {
  transform: translateY(calc(-50% + 1px)) scale(0.95);
}

.submit-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.input-rule {
  width: min(300px, 74vw);
  height: 1px;
  margin: 11px auto 0;
  background: linear-gradient(90deg, transparent, rgba(223, 173, 183, 0.42), transparent);
}

.result-ui {
  bottom: calc(59px + env(safe-area-inset-bottom));
  left: 50%;
  width: min(520px, calc(100% - 30px));
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  transform: translateX(-50%);
  pointer-events: none;
}

.reveal {
  max-width: min(82vw, 520px);
  color: rgba(243, 235, 232, 0.94);
  font-family: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  font-size: clamp(22px, 2.8vw, 34px);
  font-style: italic;
  line-height: 1.05;
  letter-spacing: 0.005em;
  opacity: 0;
  overflow-wrap: anywhere;
  text-align: center;
  text-wrap: balance;
  transform: translateY(12px) scale(0.985);
  text-shadow: 0 8px 28px rgba(130, 26, 46, 0.16);
  pointer-events: none;
  transition:
    opacity 850ms var(--ease-smooth),
    transform 950ms var(--ease-smooth);
}

.reveal.show {
  opacity: 0.96;
  transform: translateY(0) scale(1);
}

.download-button {
  min-height: 38px;
  padding: 8px 15px;
  border: 1px solid rgba(241, 235, 231, 0.18);
  border-radius: 999px;
  background: rgba(9, 9, 12, 0.64);
  color: var(--muted);
  cursor: pointer;
  font-size: 9px;
  letter-spacing: 0.08em;
  line-height: 1;
  opacity: 0;
  pointer-events: auto;
  text-transform: uppercase;
  transform: translateY(9px) scale(0.98);
  transition:
    opacity 500ms var(--ease-smooth),
    border-color 220ms ease,
    background-color 220ms ease,
    color 220ms ease,
    transform 550ms var(--ease-smooth);
}

.result-ui.ready .download-button {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 110ms;
}

.download-button span {
  display: inline-block;
  margin-right: 5px;
  font-size: 14px;
  transform: translateY(1px);
}

.download-button:hover,
.download-button:focus-visible {
  border-color: rgba(216, 109, 134, 0.65);
  background: rgba(216, 109, 134, 0.12);
  color: var(--text);
  transform: translateY(-1px);
}

.result-ui.ready .download-button:active {
  transform: translateY(1px) scale(0.97);
}

.download-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.footer-ui {
  right: max(20px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  left: max(20px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--faint);
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.075em;
}

.footer-credit {
  white-space: nowrap;
  text-align: right;
}

.film-grain {
  position: absolute;
  inset: -18%;
  z-index: 3;
  pointer-events: none;
  opacity: 0.019;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.24'/%3E%3C/svg%3E");
  animation: grain 700ms steps(2) infinite;
}

@keyframes grain {
  0% { transform: translate3d(0, 0, 0); }
  35% { transform: translate3d(-0.6%, 0.3%, 0); }
  70% { transform: translate3d(0.45%, -0.5%, 0); }
  100% { transform: translate3d(-0.2%, 0.4%, 0); }
}

@media (max-width: 700px) {
  .hero-ui {
    top: calc(14px + env(safe-area-inset-top));
    width: min(500px, calc(100% - 20px));
    padding: 0 8px 13px;
  }

  .brand {
    margin-bottom: 12px;
    font-size: 8px;
  }

  h1 {
    margin-bottom: 18px;
    font-size: 21px;
    line-height: 1.06;
  }

  .composer {
    width: min(360px, 100%);
  }

  .composer label {
    margin-bottom: 8px;
    font-size: 8px;
  }

  #wordInput {
    height: 40px;
    font-size: 17px;
  }

  .input-row {
    min-height: 40px;
  }

  .prompt-mark {
    left: 6px;
    font-size: 20px;
  }

  #wordInput {
    height: 40px;
    padding-inline: 48px;
  }

  .submit-button {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .input-rule {
    width: min(280px, 72vw);
    margin-top: 9px;
  }

  .result-ui {
    bottom: calc(55px + env(safe-area-inset-bottom));
    width: min(100% - 24px, 520px);
    min-height: 76px;
    gap: 10px;
  }

  .reveal {
    max-width: min(88vw, 460px);
    font-size: clamp(21px, 6.2vw, 30px);
  }

  .download-button {
    min-height: 42px;
    padding-inline: 16px;
  }

  .footer-ui {
    right: max(15px, env(safe-area-inset-right));
    bottom: max(13px, env(safe-area-inset-bottom));
    left: max(15px, env(safe-area-inset-left));
    flex-direction: column;
    gap: 5px;
    font-size: 7px;
    text-align: center;
  }

  .footer-credit {
    text-align: center;
  }

  .film-grain {
    opacity: 0.012;
    animation: none;
  }
}

@media (max-width: 390px) {
  .hero-ui {
    width: calc(100% - 14px);
    padding-bottom: 11px;
  }

  h1 {
    margin-bottom: 16px;
    font-size: 20px;
  }

  .result-ui {
    bottom: calc(52px + env(safe-area-inset-bottom));
    min-height: 72px;
  }

  .footer-ui {
    gap: 4px;
    font-size: 6.5px;
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .hero-ui {
    top: calc(8px + env(safe-area-inset-top));
    padding-bottom: 8px;
  }

  .brand {
    margin-bottom: 7px;
  }

  h1 {
    margin-bottom: 9px;
    font-size: 18px;
  }

  .composer label {
    margin-bottom: 5px;
  }

  .input-rule {
    margin-top: 5px;
  }

  .result-ui {
    min-height: 58px;
    bottom: calc(41px + env(safe-area-inset-bottom));
    gap: 6px;
  }

  .footer-ui {
    flex-direction: row;
    gap: 16px;
    font-size: 7px;
  }

  .film-grain {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .film-grain {
    animation: none;
  }

  .reveal,
  .brand,
  .submit-button,
  .download-button {
    transition: none;
  }
}