/* ============================================================
   情绪回收站 (Emotion Recycler) - Complete CSS
   Warm light-themed emotional release app with frosted glass,
   soft colors, and particle animations.
   ============================================================ */

/* --- CSS Variables --- */
:root {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  --color-shred: #7c8594;
  --color-burn: #e8654a;
  --color-flush: #3aa8c1;
  --glow-shred: rgba(124, 133, 148, 0.4);
  --glow-burn: rgba(232, 101, 74, 0.4);
  --glow-flush: rgba(58, 168, 193, 0.4);
  --bg-primary: #f5edd6;
  --bg-secondary: #ede5cc;
  --text-primary: #3d3528;
  --text-secondary: #7a7062;
  --text-muted: #a89e8e;
  /* author-link: https://github.com/YU123-ZZZ */
  --glass-bg: rgba(255, 252, 235, 0.6);
  --glass-border: rgba(230, 220, 190, 0.7);
  --glass-shadow: 0 8px 32px rgba(80, 60, 20, 0.08);
}

/* --- Base Reset & Typography --- */
*,
*::before,
*::after {
  margin: 0;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  padding: 0;
  box-sizing: border-box;
}

:root {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* --- Font Families --- */
.font-display {
  font-family: 'ZCOOL QingKe HuangYou', cursive;
}

.font-body {
  font-family: 'Noto Sans SC', sans-serif;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

/* ============================================================
   COMPONENT CLASSES
   ============================================================ */

/* --- Frosted Glass --- */
.frosted-glass {
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: var(--glass-bg);
  /* author-link: https://github.com/YU123-ZZZ */
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 252, 235, 0.6);
}

.frosted-glass-strong {
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: rgba(255, 252, 235, 0.7);
  border: 1px solid rgba(230, 220, 190, 0.8);
  box-shadow: 0 12px 48px rgba(80, 60, 20, 0.1), inset 0 1px 0 rgba(255, 252, 235, 0.7);
}

/* --- Neon Text --- */
.neon-text-shred {
  color: #7a7062;
  text-shadow: none;
}

.neon-text-burn {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  color: #c85a3a;
  text-shadow: none;
}

.neon-text-flush {
  color: #5a8a9a;
  text-shadow: none;
}

/* --- Destroy Buttons --- */
.btn-destroy {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  position: relative;
  padding: 0.875rem 1.5rem;
  border-radius: 1rem;
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  font-size: 1rem;
  line-height: 1.5rem;
  letter-spacing: 0.05em;
  transition: all 0.3s cubic-bezier(0, 0, 0.2, 1);
  overflow: hidden;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(80, 60, 20, 0.06), 0 1px 3px rgba(80, 60, 20, 0.04);
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.btn-destroy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(80, 60, 20, 0.1), 0 2px 8px rgba(80, 60, 20, 0.06);
}

.btn-destroy:active {
  transform: translateY(0) scale(0.97);
  /* author-link: https://github.com/YU123-ZZZ */
  box-shadow: 0 1px 4px rgba(80, 60, 20, 0.06);
}

.btn-destroy:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-destroy:disabled:hover {
  transform: none;
  box-shadow: 0 2px 12px rgba(80, 60, 20, 0.06);
}
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

.btn-shred {
  background: linear-gradient(135deg, #e8e4dc 0%, #d8d2c8 100%);
  color: #6a6058;
  border: 1px solid rgba(106, 96, 88, 0.15);
}

.btn-burn {
  background: linear-gradient(135deg, #fde0d0 0%, #fbc0a0 100%);
  color: #b85030;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  border: 1px solid rgba(184, 80, 48, 0.12);
}

.btn-flush {
  background: linear-gradient(135deg, #d8e8f0 0%, #c0d8e8 100%);
  color: #4a7a8a;
  border: 1px solid rgba(74, 122, 138, 0.12);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.btn-drift {
  background: linear-gradient(135deg, #d0e8d8 0%, #b8d8c8 100%);
  color: #3a8a6a;
  border: 1px solid rgba(58, 138, 106, 0.12);
}

.neon-text-drift {
  color: #3a8a6a;
  text-shadow: none;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

/* --- Text Area --- */
.text-area-custom {
  width: 100%;
  height: 100%;
  background-color: transparent;
  background-image:
    repeating-linear-gradient(
    /* author-link: https://github.com/YU123-ZZZ */
      transparent,
      transparent 31px,
      rgba(116, 160, 190, 0.2) 31px,
      rgba(116, 160, 190, 0.2) 32px
    );
  background-attachment: local;
  background-origin: content-box;
  background-clip: content-box;
  border: 0;
  padding: 2.5rem 2.25rem 3.25rem;
  resize: none;
  outline: none;
  color: #3d3528;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  font-size: 1.0625rem;
  line-height: 32px;
  font-family: 'Noto Sans SC', sans-serif;
  caret-color: #3d3528;
}

.text-area-custom::placeholder {
  color: #b8a888;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
}

/* --- Paper Lines --- */
.paper-lines {
  background-image:
    repeating-linear-gradient(
      transparent,
      transparent 37px,
      rgba(150, 130, 100, 0.06) 37px,
      rgba(150, 130, 100, 0.06) 38px
    );
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */

@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-8px) rotate(1deg); }
  75% { transform: translateY(4px) rotate(-0.5deg); }
}

@keyframes pulseGlow {
/* author-link: https://github.com/YU123-ZZZ */
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.03); }
}

@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(24px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeOutDown {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  100% { opacity: 0; transform: translateY(24px) scale(0.96); }
}

@keyframes ripple {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.8); opacity: 0; }
}

@keyframes breathe {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.55; }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes screenShake {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  10% { transform: translate(-4px, -2px) rotate(-0.5deg); }
  20% { transform: translate(4px, 2px) rotate(0.5deg); }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  30% { transform: translate(-3px, 3px) rotate(-0.3deg); }
  40% { transform: translate(3px, -2px) rotate(0.3deg); }
  50% { transform: translate(-2px, 2px) rotate(-0.2deg); }
  60% { transform: translate(2px, -3px) rotate(0.2deg); }
  70% { transform: translate(-2px, 1px) rotate(-0.1deg); }
  80% { transform: translate(2px, -1px) rotate(0.1deg); }
  90% { transform: translate(-1px, 1px) rotate(0deg); }
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

@keyframes flashWhite {
  0% { opacity: 0; }
  10% { opacity: 0.7; }
  100% { opacity: 0; }
}

@keyframes flashRed {
  0% { opacity: 0; }
  8% { opacity: 0.4; }
  100% { opacity: 0; }
}
/* author-link: https://github.com/YU123-ZZZ */

@keyframes flashBlue {
  0% { opacity: 0; }
  8% { opacity: 0.3; }
  100% { opacity: 0; }
}

@keyframes floatUp {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  100% { transform: translateY(-100px) scale(0.5); opacity: 0; }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

@keyframes scaleIn {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes floatMessage {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  0% { opacity: 0; transform: translateY(40px) scale(0.95); }
  15% { opacity: 1; transform: translateY(0) scale(1); }
  85% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-30px) scale(0.97); }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.animated-bg {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: linear-gradient(-45deg, #f5edd6, #f0e8cc, #f7f1da, #f2ead0);
  background-size: 400% 400%;
  animation: bgShift 30s ease infinite;
  will-change: background-position;
}

.float-anim {
  animation: float 5s ease-in-out infinite;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.pulse-glow-anim {
  animation: pulseGlow 4s ease-in-out infinite;
}

.shimmer-text {
  background: linear-gradient(90deg, var(--text-primary) 0%, #8a7a60 50%, var(--text-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}
/* author-link: https://github.com/YU123-ZZZ */

.screen-shake {
  animation: screenShake 0.5s ease-out;
}

.flash-overlay {
  pointer-events: none;
  position: absolute;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  inset: 0;
  z-index: 50;
}

/* ============================================================
   SCROLLBAR STYLES
   ============================================================ */

textarea {
  scrollbar-width: thin;
  scrollbar-color: rgba(120, 100, 70, 0.15) transparent;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */

textarea::-webkit-scrollbar {
  width: 2px;
}

textarea::-webkit-scrollbar-track {
  background: transparent;
}

textarea::-webkit-scrollbar-thumb {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: rgba(120, 100, 70, 0.15);
  border-radius: 1px;
}

/* ============================================================
   SELECTION
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

::selection {
  background: rgba(200, 170, 100, 0.25);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(200, 170, 100, 0.25);
  color: var(--text-primary);
}

/* ============================================================
   LAYOUT - APP CONTAINER
   ============================================================ */
   /* author-link: https://github.com/YU123-ZZZ */

.app-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  animation: bgShift 30s ease infinite;
  background: linear-gradient(-45deg, #f5edd6, #f0e8cc, #f7f1da, #f2ead0);
  background-size: 400% 400%;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  will-change: background-position;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

.app-container.shaking {
  animation: screenShake 0.5s ease-out;
}

/* --- Background Glows --- */
.bg-glow {
  position: absolute;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  border-radius: 9999px;
  pointer-events: none;
  will-change: transform, opacity;
  animation: pulseGlow 4s ease-in-out infinite;
}

.bg-glow-1 {
  top: 10%;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  left: 5%;
  width: 600px;
  height: 600px;
  background: rgba(220, 190, 120, 0.12);
  filter: blur(80px);
}

.bg-glow-2 {
  bottom: 5%;
  right: -5%;
  width: 500px;
  height: 500px;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  background: rgba(200, 180, 130, 0.1);
  filter: blur(60px);
  animation-delay: 2s;
}

.bg-glow-3 {
  top: 40%;
  left: 50%;
  width: 350px;
  height: 350px;
  /* author-link: https://github.com/YU123-ZZZ */
  background: rgba(210, 195, 140, 0.08);
  filter: blur(50px);
  animation-delay: 4s;
}

/* --- Noise Overlay --- */
.noise-overlay {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* --- Main Content --- */
.main-content {
  position: relative;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  z-index: 5;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  padding-bottom: 0.75rem;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
/* author-link: https://github.com/YU123-ZZZ */
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 1rem;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 252, 235, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 5s ease-in-out infinite;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.app-title {
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  font-size: 1.375rem;
  line-height: 1.75rem;
  letter-spacing: 0.15em;
  color: #3d3528;
}

.app-subtitle {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  font-size: 10px;
  color: #b8a888;
  letter-spacing: 0.25em;
  font-family: 'Noto Sans SC', sans-serif;
  margin-top: 0.125rem;
  text-transform: uppercase;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.icon-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 1rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 252, 235, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a7a60;
  /* author-link: https://github.com/YU123-ZZZ */
  transition: all 0.3s;
}

.icon-btn:hover {
  color: #3d3528;
  background: rgba(255, 252, 235, 0.7);
}

.about-trigger {
  width: auto;
  padding: 0 0.75rem;
  gap: 0.35rem;
}
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

.about-trigger-label {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.75rem;
  white-space: nowrap;
}

.header-tool-label {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.75rem;
  white-space: nowrap;
}

.header-tool-btn {
  width: auto;
  min-width: 2.5rem;
  padding: 0 0.68rem;
  gap: 0.35rem;
}

.voice-control {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.voice-lang-btn {
  min-height: 2.1rem;
  padding: 0 0.45rem;
  border: 1px solid var(--glass-border);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  border-radius: 0.55rem;
  background: var(--glass-bg);
  color: #6d604d;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.7rem;
  white-space: nowrap;
  cursor: pointer;
  /* author-link: https://github.com/YU123-ZZZ */
}

.voice-lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  z-index: 60;
  min-width: 9rem;
  padding: 0.35rem;
  border: 1px solid rgba(190, 160, 100, 0.28);
  border-radius: 0.5rem;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: rgba(255, 252, 235, 0.98);
  box-shadow: 0 10px 28px rgba(80, 60, 20, 0.16);
}

.voice-lang-option {
  display: block;
  width: 100%;
  min-height: 2rem;
  padding: 0.4rem 0.55rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  border: 0;
  border-radius: 0.35rem;
  background: transparent;
  color: #4a4030;
  text-align: left;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.78rem;
  cursor: pointer;
}

.voice-lang-option.active,
.voice-lang-option:hover {
  background: rgba(202, 177, 110, 0.16);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  color: #5c4821;
}

/* ============================================================
   INPUT AREA
   ============================================================ */

.input-wrapper {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  position: relative;
  flex: 1 1 0%;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.input-section {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  /* author-link: https://github.com/YU123-ZZZ */
  min-height: 0;
  transition: all 0.7s ease-out;
}

.destroy-section {
  transition: all 0.5s ease-out;
}

.input-container {
  position: relative;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  flex: 1 1 0%;
  border-radius: 1.5rem;
  overflow: hidden;
  background-color: rgba(255, 247, 207, 0.92);
  border: 1px solid rgba(198, 173, 105, 0.42);
  border-left: 4px solid rgba(190, 96, 82, 0.38);
  box-shadow: 0 12px 32px rgba(99, 74, 27, 0.12), inset 0 1px 0 rgba(255, 255, 245, 0.8);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  transition: backdrop-filter 0.5s, border-color 0.5s, box-shadow 0.5s;
}

.input-container.focused {
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  background-color: rgba(255, 248, 214, 0.98);
  border: 1px solid rgba(194, 160, 82, 0.58);
  border-left: 4px solid rgba(190, 88, 76, 0.5);
  box-shadow: 0 14px 36px rgba(80, 60, 20, 0.14), inset 0 1px 0 rgba(255, 255, 245, 0.88),
    0 0 0 2px rgba(200, 170, 100, 0.16);
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.input-container:not(.focused) {
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background-color: rgba(255, 247, 207, 0.92);
  border: 1px solid rgba(198, 173, 105, 0.42);
  border-left: 4px solid rgba(190, 96, 82, 0.38);
  box-shadow: 0 12px 32px rgba(99, 74, 27, 0.12), inset 0 1px 0 rgba(255, 255, 245, 0.8);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

.input-gradient-top {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5rem;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255, 252, 235, 0.3), transparent);
  border-top-left-radius: 1.5rem;
  border-top-right-radius: 1.5rem;
}

.input-gradient-bottom {
/* author-link: https://github.com/YU123-ZZZ */
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5rem;
  pointer-events: none;
  background: linear-gradient(to top, rgba(255, 252, 235, 0.3), transparent);
  border-bottom-left-radius: 1.5rem;
  border-bottom-right-radius: 1.5rem;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.privacy-hint {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-size: 10px;
  color: #b8a888;
  font-family: 'Noto Sans SC', sans-serif;
  pointer-events: none;
}

.char-count {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  position: absolute;
  right: 0.9rem;
  bottom: 0.75rem;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 1.65rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(173, 146, 82, 0.22);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  border-radius: 999px;
  background: rgba(255, 252, 230, 0.82);
  box-shadow: 0 2px 8px rgba(80, 60, 20, 0.06);
  pointer-events: none;
}

.char-count-icon {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  font-size: 9px;
  color: #b8a888;
  font-family: 'Noto Sans SC', sans-serif;
}

.char-count-num {
  font-size: 11px;
  color: #8a7a60;
  font-family: 'Noto Sans SC', sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-user-select: none;
  /* author-link: https://github.com/YU123-ZZZ */
  -moz-user-select: none;
  user-select: none;
}

/* ============================================================
   DESTROY BUTTONS
   ============================================================ */

.destroy-buttons {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.btn-destroy .icon-label {
  display: flex;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  align-items: center;
  gap: 0.5rem;
}

.btn-destroy .sub-label {
  font-size: 9px;
  color: inherit;
  opacity: 0.5;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  letter-spacing: 0.2em;
  font-family: 'Noto Sans SC', sans-serif;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  text-align: center;
  padding-bottom: 1rem;
  padding-top: 0.25rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

.footer p {
  font-size: 11px;
  color: #b8a888;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: color 0.2s;
}
/* author-link: https://github.com/YU123-ZZZ */

.footer p:hover {
  color: #8a7a60;
}

/* ============================================================
   OVERLAYS - CANVAS
   ============================================================ */
   /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

.canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

.particle-canvas {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ============================================================
   OVERLAYS - FEEDBACK MESSAGE
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

.feedback-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 20;
}

.feedback-content {
  text-align: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  padding-left: 2rem;
  padding-right: 2rem;
  animation: fadeInUp 0.8s ease-out forwards;
}

.feedback-text {
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  font-size: 1.75rem;
  /* author-link: https://github.com/YU123-ZZZ */
  line-height: 1.625;
  position: relative;
  color: #4a4030;
  text-shadow: none;
}

.feedback-glow {
  position: absolute;
  inset: 0;
  background: rgba(220, 195, 130, 0.15);
  filter: blur(100px);
  border-radius: 9999px;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  transform: scale(3);
}

.feedback-dots {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.feedback-dot {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: #c8a878;
  animation: breathe 3.5s ease-in-out infinite;
}

.feedback-dot:nth-child(1) { animation-delay: 0s; }
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
.feedback-dot:nth-child(2) { animation-delay: 0.6s; }
.feedback-dot:nth-child(3) { animation-delay: 1.2s; }
.feedback-dot:nth-child(4) { animation-delay: 1.8s; }
.feedback-dot:nth-child(5) { animation-delay: 2.4s; }

.feedback-hint {
  margin-top: 1.25rem;
  font-size: 11px;
  color: #b8a888;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.25em;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

/* ============================================================
   OVERLAYS - DRIFT BOTTLE
   ============================================================ */

.drift-overlay {
  position: absolute;
  inset: 0;
  /* author-link: https://github.com/YU123-ZZZ */
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 30;
}

.drift-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(60, 50, 30, 0.15);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.drift-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  justify-content: center;
}

.drift-sea {
  position: absolute;
  top: 61%;
  left: 50%;
  width: min(72vw, 34rem);
  height: 7rem;
  transform: translate3d(-50%, 1.5rem, 0) scaleY(0.75);
  opacity: 0;
  overflow: hidden;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  border-radius: 50% 50% 42% 42%;
  background: linear-gradient(
    180deg,
    rgba(164, 214, 220, 0.7),
    rgba(83, 158, 176, 0.5) 48%,
    rgba(53, 119, 143, 0.2)
  );
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.7), 0 14px 30px rgba(55, 110, 130, 0.12);
  transition: opacity 500ms ease, transform 900ms ease;
  will-change: transform, opacity;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  z-index: 1;
}

.drift-sea.active {
  opacity: 0.82;
  transform: translate3d(-50%, 0, 0) scaleY(0.75);
}
/* author-link: https://github.com/YU123-ZZZ */

.drift-sea-shine,
.drift-sea-wave {
  position: absolute;
  left: 8%;
  width: 84%;
  height: 1px;
  background: rgba(255, 255, 255, 0.58);
  transform: translate3d(0, 0, 0);
}

.drift-sea-shine {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  top: 18%;
  opacity: 0.7;
}

.drift-sea-wave {
  border-radius: 50%;
  animation: driftSeaWave 4.8s ease-in-out infinite;
}

.drift-sea-wave-1 { top: 34%; }
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
.drift-sea-wave-2 { top: 54%; width: 68%; left: 18%; animation-delay: -1.6s; opacity: 0.58; }
.drift-sea-wave-3 { top: 72%; width: 54%; left: 25%; animation-delay: -3.2s; opacity: 0.38; }

@keyframes driftSeaWave {
  0%, 100% { transform: translate3d(-2%, 0, 0) scaleX(0.96); }
  50% { transform: translate3d(2%, 2px, 0) scaleX(1.04); }
}

/* --- Paper --- */
.drift-paper {
  position: absolute;
  top: 50%;
  left: 50%;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  transform: translate(-50%, 100vh);
  z-index: 2;
  perspective: 800px;
}

.drift-paper.entering {
  animation: paperEnter var(--paper-enter-ms, 900ms) cubic-bezier(0.34, 1.26, 0.64, 1) forwards;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.drift-paper.rolling {
  animation: paperRoll var(--paper-roll-ms, 1300ms) ease-in-out forwards;
}

.drift-paper-inner {
  width: 14rem;
  min-height: 10rem;
  position: relative;
  transform-style: preserve-3d;
}

.drift-paper-inner::before,
.drift-paper-inner::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 12;
  opacity: 0;
  pointer-events: none;
}

.drift-paper-inner::before {
  width: 2.25rem;
  height: 8rem;
  border: 1px solid rgba(150, 126, 78, 0.42);
  border-radius: 999px;
  background:
    repeating-linear-gradient(0deg, rgba(126, 101, 57, 0.08) 0 1px, transparent 1px 12px),
    linear-gradient(90deg, #fffaf0 0%, #eadcb8 45%, #c5ae78 100%);
  box-shadow: 0 8px 16px rgba(70, 48, 18, 0.2), inset 0 3px 4px rgba(255, 255, 255, 0.72), inset 0 -4px 5px rgba(92, 67, 30, 0.16);
  transform: translate(-50%, -50%) scaleY(0.18);
}

.drift-paper-inner::after {
  width: 2.28rem;
  height: 2.28rem;
  margin-top: 3.98rem;
  border-radius: 50%;
  border: 1px solid rgba(139, 112, 62, 0.52);
  background: repeating-radial-gradient(circle at 48% 50%, #f8efd7 0 2px, #d6c18f 3px 5px, #b79c62 6px 7px);
  box-shadow: inset 1px 2px 3px rgba(255, 255, 255, 0.65), 0 -2px 4px rgba(91, 65, 25, 0.2);
  transform: translate(-50%, -50%) scale(0.2);
}

.drift-paper.rolling .drift-paper-inner::before {
  animation: cylinderBody var(--paper-roll-ms, 1300ms) ease-in-out forwards;
}

.drift-paper.rolling .drift-paper-inner::after {
  animation: cylinderEnd var(--paper-roll-ms, 1300ms) ease-in-out forwards;
}

.drift-paper-sheet {
  position: absolute;
  inset: 0;
  height: 10rem;
  padding: 0.85rem 0.8rem;
  background: linear-gradient(180deg, #faf5e8 0%, #f5edd6 40%, #efe5c8 100%);
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(80, 60, 20, 0.15), 0 1px 4px rgba(80, 60, 20, 0.08),
  /* author-link: https://github.com/YU123-ZZZ */
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(200, 180, 140, 0.3);
  overflow: hidden;
  transform: translate3d(calc(var(--sheet-index, 0) * 0.42rem), calc(var(--sheet-index, 0) * 0.34rem), calc(var(--sheet-index, 0) * -1px)) rotate(var(--sheet-tilt, 0deg));
}

.drift-paper-sheet::before {
  content: '';
  position: absolute;
  top: 0;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  left: 2rem;
  width: 1px;
  height: 100%;
  background: rgba(220, 100, 100, 0.2);
}

.drift-paper-sheet::after {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    transparent,
    transparent 1.6rem,
    rgba(100, 140, 180, 0.08) 1.6rem,
    rgba(100, 140, 180, 0.08) calc(1.6rem + 1px)
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  );
  pointer-events: none;
}

.drift-paper-sheet:first-child {
  z-index: 4;
}

.drift-paper-sheet:nth-child(2) { z-index: 3; }
.drift-paper-sheet:nth-child(3) { z-index: 2; }
.drift-paper-sheet:nth-child(4) { z-index: 1; }

.drift-paper-text {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.625rem;
  color: #4a4030;
  line-height: 0.92rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  text-align: left;
  margin: 0;
  padding-left: 0.55rem;
  word-break: break-all;
  position: relative;
  z-index: 1;
}

/* --- Bottle --- */
.drift-bottle {
  position: absolute;
  top: 50%;
  left: 50%;
  /* author-link: https://github.com/YU123-ZZZ */
  transform: translate(-50%, -50%) scale(1);
  z-index: 3;
}

.drift-bottle.entering {
  animation: bottleEnter var(--bottle-enter-ms, 1100ms) cubic-bezier(0.34, 1.28, 0.64, 1) forwards;
}

.drift-bottle.throwing {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  animation: bottleThrow var(--bottle-throw-ms, 1800ms) ease-in-out forwards;
  filter: saturate(0.8);
}

.drift-bottle-svg {
  width: 5rem;
  height: 7.5rem;
  filter: drop-shadow(0 4px 12px rgba(80, 60, 20, 0.15));
}

#driftCork {
  transition: transform 0.3s ease-out;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  transform-origin: center bottom;
}

#driftCork.closed {
  transform: translateY(-2px);
}

#driftScrollInBottle {
  transition: opacity 0.3s ease-out;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

/* --- Scroll flying into bottle --- */
.drift-scroll-fly {
  position: absolute;
  width: 8px;
  height: 20px;
  background: #f5edd6;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  border: 1px solid #d8c8a0;
  border-radius: 999px;
  z-index: 4;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
}

.drift-scroll-fly.flying {
/* author-link: https://github.com/YU123-ZZZ */
  animation: scrollIntoBottle 0.6s ease-in forwards;
}

/* --- Done phase --- */
.drift-done-phase {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  animation: fadeInUp 0.6s ease-out forwards;
  z-index: 4;
}

.drift-waves-container {
  position: relative;
  width: 6rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  height: 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drift-waves-large {
  width: 4rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  height: 4rem;
  color: #8a7a60;
  animation: float 3s ease-in-out infinite;
}

.drift-ripple {
  position: absolute;
  inset: -10px;
  border-radius: 9999px;
  border: 1px solid rgba(200, 170, 100, 0.25);
  animation: ripple 2s ease-out infinite;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.drift-ripple-2 {
  animation-delay: 0.8s;
}

.drift-done-text {
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  font-size: 1.25rem;
  color: #8a7a60;
  text-align: center;
  /* author-link: https://github.com/YU123-ZZZ */
}

.drift-subtext {
  font-size: 0.8125rem;
  color: #8a7a60;
  font-family: 'Noto Sans SC', sans-serif;
  text-align: center;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  margin-top: 0.25rem;
}

/* ============================================================
   DRIFT KEYFRAMES
   ============================================================ */

@keyframes paperEnter {
  0% {
    transform: translate(-50%, 100vh) rotate(3deg);
    opacity: 0;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  }
  100% {
    transform: translate(-50%, -50%) rotate(0deg);
    opacity: 1;
  }
}

@keyframes paperRoll {
  0% {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  72% {
    transform: translate(-50%, -50%) scale(0.94);
    opacity: 1;
  }
  90% {
    transform: translate(-50%, -50%) scale(0.88) rotate(-3deg);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -58%) scale(0.48) rotate(-3deg);
    opacity: 0;
  }
}

.drift-paper.rolling .drift-paper-sheet {
  animation: sheetCurl var(--paper-roll-ms, 1300ms) ease-in-out forwards;
}

@keyframes sheetCurl {
  0% { opacity: 1; filter: none; }
  36% { opacity: 1; transform: translate3d(0, 0, 0) rotate(0deg) scaleY(0.86); }
  68% { opacity: 0.7; transform: translate3d(0, 0, 0) rotate(0deg) scale(0.24, 0.62); filter: brightness(0.97); }
  82%, 100% { opacity: 0; transform: translate3d(0, 0, 0) rotate(0deg) scale(0.14, 0.5); }
}

@keyframes cylinderBody {
  0%, 38% { opacity: 0; transform: translate(-50%, -50%) scaleY(0.18); }
  62% { opacity: 0.72; transform: translate(-50%, -50%) scaleY(0.65); }
  78%, 94% { opacity: 1; transform: translate(-50%, -50%) scaleY(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
}

@keyframes cylinderEnd {
  0%, 48% { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
  72%, 94% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
}

@keyframes bottleEnter {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  0% {
    transform: translate(-50%, 200%) scale(0.6);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  /* author-link: https://github.com/YU123-ZZZ */
}

@keyframes bottleThrow {
  0% {
    transform: translate3d(-50%, -50%, 0) scale(1) rotate(0deg);
    opacity: 1;
  }
  32% {
    transform: translate3d(-50%, -145%, 0) scale(0.9) rotate(-9deg);
    opacity: 1;
  }
  62% {
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    transform: translate3d(calc(-50% + 9vw), calc(-50% + 12vh), 0) scale(0.68) rotate(6deg);
    opacity: 0.9;
  }
  76% {
    transform: translate3d(calc(-50% + 13vw), calc(-50% + 10vh), 0) scale(0.52) rotate(-3deg);
    opacity: 0.78;
  }
  100% {
    transform: translate3d(calc(-50% + 24vw), calc(-50% - 2vh), 0) scale(0.2) rotate(4deg);
    opacity: 0.38;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  }
}

@keyframes scrollIntoBottle {
  0% {
    opacity: 1;
    transform: translate(-50%, -200%) scale(1.5);
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.3);
  }
}

/* ============================================================
   MODAL BASE (HISTORY + LANGUAGE)
   ============================================================ */

.modal-overlay {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.modal-backdrop {
/* author-link: https://github.com/YU123-ZZZ */
  position: absolute;
  inset: 0;
  background: rgba(60, 50, 30, 0.2);
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
}

.modal-panel {
  position: relative;
  width: 100%;
  max-width: 28rem;
  margin-left: 1rem;
  margin-right: 1rem;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  max-height: 75vh;
  border-radius: 1.5rem;
  overflow: hidden;
  animation: fadeInUp 0.4s ease-out forwards;
}

.modal-panel.language-panel {
  max-width: 20rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  animation: scaleIn 0.25s ease-out forwards;
}

.modal-panel.history-panel {
  max-width: 32rem;
}

.modal-content {
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  background: rgba(255, 252, 235, 0.8);
  border: 1px solid rgba(230, 220, 190, 0.85);
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  box-shadow: 0 12px 48px rgba(80, 60, 20, 0.12), inset 0 1px 0 rgba(255, 252, 235, 0.8);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-top: 1.25rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  padding-bottom: 0.75rem;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  /* author-link: https://github.com/YU123-ZZZ */
}

.modal-title {
  font-family: 'ZCOOL QingKe HuangYou', 'Noto Sans SC', sans-serif;
  font-size: 1.375rem;
  color: #3d3528;
  letter-spacing: 0.05em;
}

.modal-title-icon {
  width: 1.25rem;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  height: 1.25rem;
  color: #c8823c;
}

.modal-close {
  width: 2rem;
  height: 2rem;
  border-radius: 0.75rem;
  display: flex;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  align-items: center;
  justify-content: center;
  color: #8a7a60;
  transition: all 0.2s;
  background: transparent;
  border: none;
  cursor: pointer;
}

.modal-close:hover {
  color: #3d3528;
  background: rgba(80, 60, 20, 0.08);
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

/* ============================================================
   HISTORY PANEL
   ============================================================ */

.history-privacy-badge {
  display: flex;
  align-items: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  margin: 0 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(220, 195, 130, 0.12) 0%, rgba(200, 185, 140, 0.1) 100%);
  border: 1px solid rgba(120, 100, 70, 0.06);
}

.history-privacy-text {
  font-size: 0.8125rem;
  color: #8a7a60;
  font-family: 'Noto Sans SC', sans-serif;
  /* author-link: https://github.com/YU123-ZZZ */
  line-height: 1.5;
}

.history-list {
  padding: 1rem 1.5rem;
  overflow: hidden;
  max-height: 50vh;
  position: relative;
}

.history-float-container {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  height: 320px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
}

.history-float-msg {
  position: absolute;
  width: 100%;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  color: #4a4030;
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  text-align: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  letter-spacing: 0.02em;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(220, 195, 130, 0.1) 0%, rgba(200, 185, 140, 0.08) 100%);
  opacity: 0;
  transform: translateY(30px) scale(0.96);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  pointer-events: none;
}

.history-float-msg.visible {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  opacity: 1;
  transform: translateY(0) scale(1);
}

.history-float-msg.fade-out {
  opacity: 0;
  transform: translateY(-25px) scale(0.97);
  transition: opacity 0.5s ease-in, transform 0.5s ease-in;
}

.history-footer {
  padding: 1.25rem 1.5rem;
  text-align: center;
  /* author-link: https://github.com/YU123-ZZZ */
  border-top: 1px solid rgba(120, 100, 70, 0.06);
}

.history-footer p {
  font-size: 0.8125rem;
  color: #b8a888;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.1em;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

/* ============================================================
   LANGUAGE PANEL
   ============================================================ */

.lang-list {
  padding-left: 1rem;
  padding-right: 1rem;
  padding-bottom: 1rem;
}

.lang-list > * + * {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  margin-top: 0.375rem;
}

.lang-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  transition: all 0.2s;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.lang-btn.active {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  background: rgba(200, 170, 100, 0.12);
  border-color: rgba(200, 170, 100, 0.25);
}

.lang-btn:hover {
  background: rgba(80, 60, 20, 0.03);
}

.lang-flag {
  font-size: 1.25rem;
  line-height: 1.75rem;
  /* author-link: https://github.com/YU123-ZZZ */
}

.lang-name {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.9375rem;
  color: #8a7a60;
}

.lang-name.active {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  color: #3d3528;
}

/* ============================================================
   ABOUT PANEL
   ============================================================ */

.modal-panel.about-panel {
  max-width: 34rem;
  max-height: min(88vh, 46rem);
  max-height: min(88dvh, 46rem);
  display: flex;
  flex-direction: column;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
}

.about-panel .modal-content {
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.about-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  padding: 0.8rem 1.5rem 0;
}

.about-tab {
  min-height: 2.6rem;
  padding: 0.55rem 0.8rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  border: 1px solid rgba(170, 145, 95, 0.22);
  border-radius: 0.8rem;
  background: rgba(255, 252, 235, 0.46);
  color: #8a7a60;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
/* author-link: https://github.com/YU123-ZZZ */

.about-tab:hover {
  color: #5a4e3b;
  border-color: rgba(150, 120, 70, 0.34);
}

.about-tab.active {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  color: #554936;
  border-color: rgba(150, 120, 70, 0.38);
  background: rgba(255, 248, 218, 0.9);
  box-shadow: 0 0.3rem 0.8rem rgba(100, 80, 45, 0.08);
}

.about-tab:focus-visible {
  outline: 2px solid rgba(120, 100, 70, 0.42);
  outline-offset: 2px;
}

.about-body {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  display: flex;
  flex-direction: column;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  gap: 1rem;
}

.about-section {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(170, 145, 95, 0.16);
  background: rgba(255, 252, 235, 0.48);
}

.about-section[hidden] {
  display: none !important;
}
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.about-section-title {
  margin: 0 0 0.85rem;
  color: #5a4e3b;
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}
/* author-link: https://github.com/YU123-ZZZ */

.about-feature-intro {
  margin-bottom: 0.85rem;
}

.about-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.about-feature-item {
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-width: 0;
  padding: 0.7rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid rgba(120, 100, 70, 0.08);
}

.about-feature-icon {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  flex: 0 0 auto;
  width: 1.7rem;
  height: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.55rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: rgba(120, 100, 70, 0.08);
  color: #7a6a50;
  font-size: 0.85rem;
}

.about-feature-item h4 {
  margin: 0 0 0.18rem;
  color: #554936;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

.about-feature-item p {
  margin: 0;
  color: #8a7a60;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.72rem;
  line-height: 1.55;
}
/* author-link: https://github.com/YU123-ZZZ */

.feature-burn .about-feature-icon { color: #b85030; background: rgba(232, 101, 74, 0.1); }
.feature-flush .about-feature-icon { color: #4a7a8a; background: rgba(58, 168, 193, 0.1); }
.feature-drift .about-feature-icon { color: #3a8a6a; background: rgba(58, 138, 106, 0.1); }
.feature-voice .about-feature-icon { color: #c8823c; background: rgba(200, 130, 60, 0.1); }
.feature-save .about-feature-icon { color: #6c8a58; background: rgba(120, 180, 100, 0.1); }
.feature-capacity .about-feature-icon { color: #8a6b2d; background: rgba(205, 166, 70, 0.12); }
.feature-language .about-feature-icon { color: #556f9b; background: rgba(85, 111, 155, 0.1); }
.feature-tech .about-feature-icon { color: #725f8f; background: rgba(114, 95, 143, 0.1); font-size: 0.64rem; }

html[lang="ru"] .app-title,
html[lang="ru"] .modal-title,
html[lang="ru"] .footer p,
/* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
html[lang="ru"] .history-footer p,
html[lang="ru"] .about-paragraph,
html[lang="ru"] .about-section-title {
  letter-spacing: 0.01em;
}

html[lang="ru"] .app-title {
  font-family: 'Noto Sans SC', sans-serif;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  font-size: clamp(1rem, 2.2vw, 1.25rem);
}

html[lang="ru"] .header-tool-btn,
html[lang="ru"] .about-trigger {
  padding-left: 0.48rem;
  padding-right: 0.48rem;
}

html[lang="ru"] .header-tool-label,
html[lang="ru"] .about-trigger-label {
  font-size: 0.7rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  letter-spacing: 0;
}

html[lang="ru"] .header-actions {
  gap: 0.25rem;
}

html[lang="ru"] .header-toggle-btn {
  padding: 0.375rem 0.42rem;
  font-size: 0.625rem;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

html[lang="ru"] .voice-btn {
  padding: 0 0.48rem;
}

html[lang="ru"] .voice-lang-btn {
/* author-link: https://github.com/YU123-ZZZ */
  padding: 0 0.35rem;
  font-size: 0.64rem;
}

.about-site-section {
  text-align: left;
}

.about-readme-link {
  margin: 1.15rem 0 0;
  text-align: center;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  display: block;
  padding: 0.3rem 0.45rem;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  color: #71551d;
}

.about-paragraph {
  font-size: 0.9375rem;
  color: #6a6050;
  font-family: 'Noto Sans SC', sans-serif;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  line-height: 1.8;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.about-belief {
  text-align: center;
  color: #8a7a60;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  font-style: italic;
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 0;
}

.about-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(180, 160, 120, 0.3), transparent);
  margin: 1.25rem 0;
}

.about-author {
/* author-link: https://github.com/YU123-ZZZ */
  text-align: center;
  color: #6a6050;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.about-author a {
  color: #71551d;
  font-weight: 600;
  text-decoration-color: rgba(113, 85, 29, 0.42);
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  text-underline-offset: 0.18em;
}

.about-author a:hover {
  color: #65502b;
}

.about-donate {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  text-align: center;
  color: #b8a888;
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.about-qrcode {
  position: relative;
  display: flex;
  justify-content: center;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  margin-top: 1rem;
}

.about-qrcode-img {
  width: 100%;
  max-width: 400px;
  display: block;
  border-radius: 8px;
  pointer-events: none;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
}

.about-qrcode-shield {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  cursor: default;
}

.header-toggle {
/* author-link: https://github.com/YU123-ZZZ */
  display: flex;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.header-toggle-btn {
  padding: 0.375rem 0.625rem;
  font-size: 0.6875rem;
  font-family: 'Noto Sans SC', sans-serif;
  color: #8a7a60;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
}

.header-toggle-btn.active {
  color: #fff;
}

.header-toggle-btn:first-child.active {
  background: rgba(120, 180, 100, 0.85);
}

.header-toggle-btn:last-child.active {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  background: rgba(180, 120, 100, 0.7);
}

.header-toggle-btn:hover:not(.active) {
  background: rgba(80, 60, 20, 0.06);
}

/* ============================================================
   VOICE INPUT BUTTON
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.voice-btn {
  position: relative;
  width: auto;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.68rem;
  gap: 0.35rem;
  border-radius: 1rem;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  /* author-link: https://github.com/YU123-ZZZ */
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 252, 235, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a7a60;
  transition: all 0.3s;
  cursor: pointer;
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
}

.voice-btn:hover {
  color: #3d3528;
  background: rgba(255, 252, 235, 0.7);
}

.voice-btn.listening {
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: rgba(200, 130, 60, 0.12);
  border: 1px solid rgba(200, 130, 60, 0.35);
  color: #c8823c;
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  animation: voicePulse 2s ease-in-out infinite;
}

@keyframes voicePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 130, 60, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(200, 130, 60, 0); }
}

.voice-ripple {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  border: 1px solid rgba(200, 130, 60, 0.25);
  animation: ripple 1.8s ease-out infinite;
}

.voice-ripple:nth-child(2) {
  border-color: rgba(200, 130, 60, 0.18);
  animation-delay: 0.6s;
}

/* ============================================================
   SVG ICONS
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

.icon {
  width: 1rem;
  height: 1rem;
}

.icon-sm {
  width: 0.875rem;
  height: 0.875rem;
}
/* author-link: https://github.com/YU123-ZZZ */

.icon-xs {
  width: 0.75rem;
  height: 0.75rem;
}

/* ============================================================
   RESPONSIVE — 小屏手机 (≤375px)
   iPhone SE / 12 mini / 13 mini
   ============================================================ */
   /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

@media (max-width: 375px) {
  .main-content {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .header {
    padding-top: 1.25rem;
    padding-bottom: 0.375rem;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */

  .logo-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.75rem;
  }

  .logo-emoji {
    font-size: 1rem;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  }

  .app-title {
    font-size: 1rem;
    line-height: 1.5rem;
    letter-spacing: 0.08em;
  }

  .app-subtitle {
    font-size: 8px;
    letter-spacing: 0.15em;
  }

  .header-actions {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
    gap: 0.25rem;
  }

  .icon-btn {
    width: 2.25rem;
    height: 2.25rem;
  }

  .icon-btn .icon {
  /* author-link: https://github.com/YU123-ZZZ */
    width: 1rem;
    height: 1rem;
  }

  .header-toggle-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.625rem;
  }

  .text-area-custom {
    font-size: 0.9375rem;
  }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .privacy-hint {
    font-size: 9px;
  }

  .destroy-buttons {
    gap: 0.375rem;
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */

  .btn-destroy {
    min-height: 3.25rem;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    border-radius: 0.75rem;
  }

  .btn-destroy .icon {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    width: 1rem;
    height: 1rem;
  }

  .btn-destroy .icon-label {
    gap: 0.25rem;
  }

  .btn-destroy .sub-label {
    display: none;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

  .footer p {
    font-size: 9px;
    letter-spacing: 0.1em;
  }

  .feedback-text {
    font-size: 1.375rem;
    line-height: 1.75rem;
    /* author-link: https://github.com/YU123-ZZZ */
  }

  .feedback-content {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .modal-panel {
    max-height: 85vh;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    border-radius: 1rem;
  }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .history-float-container {
    height: 220px;
  }

  .about-body {
    padding: 0.75rem 1rem;
    max-height: none;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  }

  .about-paragraph {
    font-size: 0.8125rem;
  }

  .lang-list {
    gap: 0.375rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .lang-btn {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    padding: 0.5rem 0.625rem;
    font-size: 0.8125rem;
  }

  .drift-bottle-svg {
    width: 80px;
    height: 120px;
  }
}

/* ============================================================
   RESPONSIVE — 普通手机 (376-428px)
   iPhone 13/14/15 / 主流 Android
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

@media (min-width: 376px) and (max-width: 428px) {
  .btn-destroy {
    min-height: 3.4rem;
    padding: 0.7rem 1rem;
    font-size: 0.9375rem;
  }

  .btn-destroy .sub-label {
  /* author-link: https://github.com/YU123-ZZZ */
    font-size: 8px;
  }

  .destroy-buttons {
    gap: 0.5rem;
  }

  .footer p {
    font-size: 10px;
    letter-spacing: 0.12em;
  }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

}

/* ============================================================
   RESPONSIVE — 大屏手机 / 小平板 (429-640px)
   iPhone Pro Max / 大屏 Android / iPad mini 竖屏
   ============================================================ */

@media (min-width: 429px) and (max-width: 640px) {
/* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  .main-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .btn-destroy {
    min-height: 3.4rem;
    padding-left: 0.875rem;
    padding-right: 0.875rem;
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
    font-size: 0.875rem;
    line-height: 1.125rem;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .logo-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .app-title {
    font-size: 1.25rem;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
    line-height: 1.75rem;
    letter-spacing: 0.1em;
  }

  .app-subtitle {
    font-size: 9px;
    letter-spacing: 0.2em;
  }

  .header-actions {
    gap: 0.375rem;
  }
  /* author-link: https://github.com/YU123-ZZZ */

  .icon-btn {
    width: 2.5rem;
    height: 2.5rem;
  }

  .header-toggle-btn {
    padding: 0.35rem 0.58rem;
    font-size: 0.6875rem;
  }
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .header {
    padding-top: 1.5rem;
    padding-bottom: 0.5rem;
  }

  .destroy-buttons {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
    gap: 0.625rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .footer p {
    font-size: 10px;
    letter-spacing: 0.15em;
  }

  .feedback-text {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    font-size: 1.75rem;
    line-height: 2rem;
  }

  .feedback-content {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .feedback-hint {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
    font-size: 10px;
  }

  .icon {
    width: 1rem;
    height: 1rem;
  }

  .icon-sm {
    width: 0.875rem;
    height: 0.875rem;
  }

  .btn-destroy .sub-label {
  /* author-link: https://github.com/YU123-ZZZ */
    font-size: 8px;
  }

  .voice-btn {
    width: 2.25rem;
    height: 2.25rem;
  }

  .modal-panel {
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    max-height: 80vh;
    margin-left: 0.75rem;
    margin-right: 0.75rem;
  }

  .history-float-container {
    height: 260px;
  }

  .history-float-msg {
    padding: 1rem 1.25rem;
    font-size: 0.9375rem;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  }

  .about-body {
    padding: 1rem 1.25rem;
  }

  .about-paragraph {
    font-size: 0.875rem;
  }

  .lang-list {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .lang-btn {
    padding: 0.625rem 0.875rem;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
}

/* ============================================================
   RESPONSIVE — 平板竖屏 (641-768px)
   iPad mini / iPad 竖屏
   ============================================================ */

@media (min-width: 641px) and (max-width: 768px) {
  .main-content {
    max-width: 48rem;
    padding-left: 2rem;
    /* author-link: https://github.com/YU123-ZZZ */
    padding-right: 2rem;
  }

  .app-title {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  .btn-destroy {
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
  }

  .feedback-text {
    font-size: 2rem;
    line-height: 1.4;
  }

  .modal-panel {
    max-width: 24rem;
  }

  .history-float-container {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
    height: 300px;
  }

}

/* ============================================================
   RESPONSIVE — 平板横屏 / 桌面 (769-1024px)
   iPad Air / iPad Pro 竖屏
   ============================================================ */
   /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

@media (min-width: 769px) and (max-width: 1024px) {
  .main-content {
    max-width: 52rem;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }

  .app-title {
    font-size: 1.625rem;
    line-height: 2.125rem;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */

  .btn-destroy {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .feedback-text {
    font-size: 2.25rem;
    line-height: 1.3;
  }
  /* author-link: https://github.com/YU123-ZZZ */

  .modal-panel {
    max-width: 26rem;
  }

  .history-float-container {
    height: 350px;
    /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  }

}

/* ============================================================
   RESPONSIVE — 大屏桌面 (≥1025px)
   ============================================================ */

@media (min-width: 1025px) {
  .main-content {
    max-width: 56rem;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
    padding-left: 3rem;
    padding-right: 3rem;
  }

  .app-title {
    font-size: 1.75rem;
    line-height: 2.25rem;
    letter-spacing: 0.2em;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .app-subtitle {
    font-size: 11px;
  }

  .btn-destroy {
    padding: 1rem 1.75rem;
    font-size: 1.0625rem;
  }

  .feedback-text {
    font-size: 2.5rem;
    line-height: 1.2;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  }

  .modal-panel {
    max-width: 28rem;
  }

  .history-float-container {
    height: 400px;
    /* author-link: https://github.com/YU123-ZZZ */
  }

}

@media (min-width: 641px) and (max-width: 800px) {
  html[lang="ru"] .header {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }

  html[lang="ru"] .header-actions {
    flex: 1 1 100%;
    /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .header-tool-label {
    font-size: 0.68rem;
  }

  .header-tool-btn,
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
  .voice-btn {
    width: auto;
    min-height: 2rem;
    padding: 0 0.45rem;
    gap: 0.22rem;
  }

  .voice-lang-btn {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    min-height: 2rem;
    max-width: 5.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  html[lang="ru"] .voice-lang-btn {
    max-width: 6.35rem;
  }

  .voice-lang-menu {
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
    right: auto;
    left: 1.5rem;
    max-width: min(15rem, calc(100vw - 2rem));
  }

  .drift-sea {
    top: 63%;
    width: min(88vw, 25rem);
    height: 5.5rem;
    /* author-link: https://github.com/YU123-ZZZ */
  }

  .header {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }

  .header-actions {
    display: grid;
    grid-template-columns: repeat(3, max-content);
    align-items: center;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    flex: 1 1 100%;
    column-gap: 0.375rem;
    row-gap: 0.375rem;
    justify-content: flex-start;
  }

  .destroy-section {
    width: 100%;
    min-width: 0;
  }

  .destroy-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    gap: 0.5rem;
  }

  .btn-destroy {
    width: 100%;
    min-width: 0;
  }

  .header-logo {
    flex: 1 1 auto;
    min-width: 0;
  }

  .header-actions {
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
    flex: 1 1 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    row-gap: 0.375rem;
  }

  .about-trigger {
    width: auto;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */
    padding-left: 0.6rem;
    padding-right: 0.6rem;
  }

  .about-feature-list {
    grid-template-columns: 1fr;
  }

  .about-tabs {
    gap: 0.5rem;
    padding: 0.65rem 0.75rem 0;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | forum: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */

  .about-tab {
    min-height: 2.45rem;
    padding: 0.5rem 0.6rem;
    font-size: 0.84rem;
  }

  .about-body {
    padding: 0.75rem;
    max-height: none;
    /* version-link: https://github.com/YU123-ZZZ/emotion-recycler */
  }

  .about-section {
    padding: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
/* author-link: https://github.com/YU123-ZZZ */
  .bg-blob,
  .voice-ripple,
  .pulse-ring,
  .screen-shake {
    animation: none !important;
  }

  .input-section,
  .destroy-section,
  .about-tab,
  .icon-btn,
  /* forum-link: https://www.52pojie.cn/home.php?mod=space&uid=2394304 */
  .btn-destroy,
  .voice-lang-btn,
  .voice-lang-option {
    transition-duration: 0.01ms !important;
  }

  .drift-sea-wave {
    animation: none;
  }
  /* version-link: https://github.com/YU123-ZZZ/emotion-recycler | author: https://github.com/YU123-ZZZ */

  .drift-bottle.throwing {
    animation-timing-function: linear;
  }
}

/* ============================================================
   UTILITY: border
   ============================================================ */

.border { border-width: 1px; border-style: solid; }