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

:root {
  --bg-color: #05030c;
  --text-main: #d5cafb;
  --text-dim: #9f95c8;
  --line: rgba(143, 109, 241, 0.35);
}

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

body {
  position: relative;
  min-height: 100vh;
  font-family: "Caveat", "Segoe Script", cursive;
  color: var(--text-main);
  background: var(--bg-color);
  overflow-x: hidden;
}

.app-bg {
  position: fixed;
  inset: 0;
  background: #020106 url("./bg.gif") center / cover no-repeat;
  transform: scale(1.02);
  filter: brightness(0.6) saturate(1.05);
  z-index: 0;
}

.app-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("./noise.gif") center / cover repeat;
  opacity: 0.5;
  mix-blend-mode: screen;
  pointer-events: none;
}

.app-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(138, 94, 255, 0.14), rgba(0, 0, 0, 0.85) 70%);
}

.app {
  position: relative;
  z-index: 1;
  width: min(1320px, 98vw);
  margin: 0 auto;
  min-height: 100vh;
  padding: clamp(10px, 2.4vw, 28px) 0 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.top {
   text-align: center;
   margin-bottom: clamp(2px, 0.8vw, 8px);
   transform: translateY(8px);
   position: relative;
}

.logo {
   width: min(640px, 90vw);
   display: block;
   margin: 0 auto;
   filter: drop-shadow(0 0 12px rgba(130, 83, 255, 0.55));
}

.music-btn-corner {
    position: absolute;
    top: 8px;
    right: clamp(-800px, -60vw, -450px);
    border: 0;
    background: transparent;
    padding: 4px;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
    width: clamp(200px, 25vw, 300px);
    height: clamp(100px, 15vw, 150px);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: clamp(16px, 2.2vw, 26px);
}

.music-btn-corner:hover {
   transform: scale(1.1);
   filter: drop-shadow(0 0 8px rgba(150, 113, 255, 0.65));
}

.music-btn-corner:active {
   transform: scale(0.95);
}

.music-play-icon,
.music-pause-icon,
.music-label {
    height: clamp(80px, 12vw, 120px);
    width: auto;
    object-fit: contain;
    display: block;
}

.music-btn-corner.music-playing .music-play-icon,
.music-btn-corner.music-playing .music-pause-icon {
   animation: pulse-icon 0.6s ease-in-out infinite;
}

@keyframes pulse-icon {
   0%, 100% {
     transform: scale(1);
   }
   50% {
     transform: scale(1.15);
   }
}

.music-btn-content {
     display: flex;
     align-items: center;
     gap: clamp(6px, 1vw, 12px);
   }

.music-btn-corner:active {
   transform: scale(0.95);
}

.music-btn-text {
    display: block;
    font-size: inherit;
    line-height: 1;
}



.music-btn-corner.music-playing .music-btn-text {
   animation: pulse-icon 0.6s ease-in-out infinite;
}

@keyframes pulse-icon {
   0%, 100% {
     transform: scale(1);
   }
   50% {
     transform: scale(1.15);
   }
}

.subtitle-image {
  width: min(300px, 52vw);
  height: auto;
  margin-top: 0;
  filter: brightness(1.1) drop-shadow(0 0 4px rgba(181, 148, 255, 0.35));
}

.panel-wrap {
  width: min(1320px, 98vw);
  position: relative;
  filter: drop-shadow(0 0 24px rgba(118, 61, 242, 0.32));
}

.panel-image {
  width: 100%;
  display: block;
  height: auto;
  user-select: none;
  pointer-events: none;
}

.panel-content {
  position: absolute;
  inset: 0;
  padding: 7.2% 4.2% 4.2%;
  display: flex;
  flex-direction: column;
}

.panel-topbar {
  height: 12%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 4.2vw, 84px);
  margin-bottom: clamp(6px, 0.8vw, 10px);
  transform: translateY(-36px);
}

.lang-label-wrap {
  display: grid;
  place-items: center;
}

.lang-label {
  width: clamp(92px, 15vw, 142px);
  height: auto;
  object-fit: contain;
  image-rendering: high-quality;
  filter: brightness(1.4) contrast(1.1) drop-shadow(0 0 5px rgba(192, 167, 255, 0.22));
  transition: filter 0.25s ease;
}

.lang-fallback {
  display: none;
  font-family: "Rubik Glitch", sans-serif;
  font-size: clamp(12px, 1.5vw, 18px);
  letter-spacing: 0.07em;
  color: #181223;
  text-shadow: 0 0 2px rgba(255, 255, 255, 0.2);
}

.direction-btn {
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 12px;
  transition: transform 0.2s ease, filter 0.2s ease;
  width: clamp(56px, 8.4vw, 88px);
  height: clamp(46px, 6.8vw, 72px);
  display: grid;
  place-items: center;
}

.direction-btn:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 0 8px rgba(150, 113, 255, 0.65));
}

.direction-btn:active {
  transform: scale(0.94);
}

.arrow-icon {
  width: clamp(44px, 6.8vw, 68px);
  height: auto;
  filter: brightness(1.75) contrast(1.2) drop-shadow(0 0 8px rgba(148, 114, 255, 0.6));
  position: absolute;
}

.arrow-top {
  transform: translateY(-7px);
}

.arrow-bottom {
  transform: translateY(7px);
}

.arrow-fallback {
  display: none;
  color: #1a1227;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1;
  text-shadow: 0 0 8px rgba(160, 122, 255, 0.45);
}

.img-fallback .lang-label,
.img-fallback .arrow-icon {
  display: none;
}

.img-fallback .lang-fallback,
.img-fallback .arrow-fallback {
  display: inline-block;
}

.text-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.field {
  position: relative;
}

.input-field {
  border-right: 1px solid var(--line);
}

textarea {
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  color: #d8ceff;
  padding: clamp(10px, 1.7vw, 18px);
  font-family: "Rubik Glitch", "Caveat", sans-serif;
  font-size: clamp(12px, 1.2vw, 18px);
  letter-spacing: 0.03em;
  line-height: 1.45;
  resize: none;
  outline: none;
}

#inputArea,
#outputArea {
  padding: clamp(10px, 1.7vw, 18px) clamp(10px, 1.7vw, 18px);
}

#inputArea {
  padding-left: clamp(14px, 2vw, 22px);
}

#outputArea {
  padding-left: clamp(34px, 3.8vw, 44px);
}

textarea::placeholder {
  color: rgba(164, 154, 205, 0.58);
  opacity: 1;
  font-weight: 400;
  letter-spacing: 0.02em;
}

textarea:focus {
  box-shadow: inset 0 0 0 1px rgba(149, 107, 251, 0.4);
}

textarea.lomira-style {
  letter-spacing: 0.07em;
  text-shadow: 0 0 8px rgba(147, 111, 255, 0.34);
}

.actions {
  height: 18%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0;
  padding: 0 2.2% 0.6%;
}

.asset-btn {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  width: clamp(92px, 13.5vw, 158px);
  aspect-ratio: 2.25 / 1;
  position: relative;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.asset-btn img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.asset-btn .btn-hover {
  opacity: 0;
}

.asset-btn:hover {
  transform: translateY(-1px) scale(1.04);
  filter: drop-shadow(0 0 8px rgba(162, 129, 255, 0.55));
}

.asset-btn:hover .btn-default {
  opacity: 0;
}

.asset-btn:hover .btn-hover {
  opacity: 1;
}

.asset-btn:active {
  transform: scale(0.96);
}

.asset-btn.copied {
   filter: drop-shadow(0 0 10px rgba(115, 235, 176, 0.72));
}

#floatingLumi {
   position: fixed;
   inset: 0;
   pointer-events: none;
   z-index: 2;
}

.lumi-piece {
  position: absolute;
  width: clamp(34px, 6vw, 66px);
  opacity: 0.45;
  filter: blur(0.2px) drop-shadow(0 0 8px rgba(130, 85, 248, 0.45));
  animation: floatLumi 9s ease-in-out infinite alternate;
}

.lumi-piece:nth-child(2n) {
  animation-duration: 10.8s;
}

.lumi-piece:nth-child(3n) {
  animation-duration: 8.6s;
}

@keyframes floatLumi {
  from {
    transform: translateY(0) translateX(0) rotate(0deg);
  }
  to {
    transform: translateY(-22px) translateX(8px) rotate(6deg);
  }
}

.easter-egg {
  position: fixed;
  inset: 0;
  background: rgba(4, 2, 10, 0.88);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.easter-egg.active {
  opacity: 1;
  pointer-events: auto;
}

.egg-card {
  border: 1px solid rgba(170, 138, 255, 0.42);
  background: rgba(17, 11, 33, 0.84);
  box-shadow: 0 0 20px rgba(128, 81, 255, 0.4);
  border-radius: 14px;
  text-align: center;
  padding: 24px 26px;
  width: min(380px, 90vw);
}

.egg-title {
  margin: 0 0 8px;
  font-size: 32px;
}

.egg-text {
  margin: 0;
  font-size: 20px;
  color: #bdb0eb;
}

.egg-close {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .panel-content {
    padding-top: 6.8%;
  }

  .subtitle-image { width: min(260px, 48vw); }
}

@media (max-height: 760px) and (min-width: 900px) {
  .app {
    width: min(1460px, 99vw);
    padding-top: 6px;
  }

  .logo {
    width: min(540px, 72vw);
  }

  .top {
    margin-bottom: 4px;
    transform: translateY(6px);
  }
}

@media (max-width: 720px) {
  .panel-wrap {
    width: 96vw;
    max-width: 96vw;
  }

  .panel-content {
    position: absolute;
    inset: 0;
    padding: 7.6% 4.4% 4.4%;
    background: transparent;
    border: 0;
    border-radius: 0;
    margin-top: 0;
  }

  .panel-image {
    border-radius: 0;
  }

  .panel-topbar {
    padding-top: 0;
    height: 12%;
    gap: 18px;
    transform: translateY(-28px);
  }

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

  .input-field {
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  textarea {
    min-height: 100%;
  }

  .actions {
    height: 18%;
    padding: 0 1.2% 0.6%;
    justify-content: space-between;
  }

  .asset-btn {
    width: clamp(82px, 12vw, 138px);
  }
}

@media (max-width: 600px) {
  .app {
    width: 100vw;
    padding: 14px 10px 28px;
  }

  .logo {
    width: 92vw;
    max-width: 580px;
  }

  .subtitle-image { width: min(220px, 50vw); }

  .panel-wrap {
    width: 100%;
    max-width: 100%;
  }

  .panel-content {
    position: absolute;
    inset: 0;
    padding: 7.2% 4.8% 4.8%;
  }

  .panel-topbar {
    gap: 12px;
    height: 11%;
    transform: translateY(-38px);
  }

  .lang-label {
    width: 112px;
    max-width: 28vw;
  }

  .arrow-icon {
    width: 40px;
  }

  textarea {
    min-height: 100%;
    padding: 12px;
    font-size: 14px;
    line-height: 1.35;
  }

  .actions {
    height: 18%;
    gap: 8px;
    padding: 0 1.5% 0.8%;
    justify-content: space-between;
  }

   .asset-btn {
      width: clamp(76px, 15vw, 116px);
   }

}