:root{
  --bg: #0e1013;
  --panel: rgba(255,255,255,0.06);
  --panel-hover: rgba(255,255,255,0.10);
  --panel-border: rgba(255,255,255,0.14);
  --text: #eef2f6;
  --muted: #a9b1ba;
  --accent: #1bdf91;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.03);
  --shadow-soft: 0 8px 24px rgba(0,0,0,0.28);
}

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

html { min-height: 100%; background: var(--bg); }

body{
  min-height: 100%;
  margin: 0;
  padding: 0 0 40px 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 10% -10%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 60%),
    radial-gradient(1000px 700px at 100% 0%, rgba(86,98,246,0.06), transparent 60%),
    var(--bg);
  background-repeat: no-repeat;
  background-attachment: fixed, fixed, scroll;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { scrollbar-width: thin; scrollbar-color: var(--accent) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 60%, transparent));
  border-radius: 20px;
}
*::-webkit-scrollbar-track { background: transparent; }

.skip-link{
  position: absolute;
  left: 10px;
  top: -50px;
  z-index: 1000;
  padding: 10px 14px;
  background: #111;
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.2);
}
.skip-link:focus{
  top: 10px;
}

.lex-container{
  width: min(1150px, 92vw);
  margin: 26px auto 0;
  display: grid;
  gap: 16px;
}

.lex-header{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 18px 20px;
}

.lex-head-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lex-title{
  margin: 0;
  font-family: "CopperplateGothicBold", ui-sans-serif, system-ui, Arial, sans-serif;
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: .6px;
  text-shadow: 0 1px 0 rgba(255,255,255,0.03);
}

.lex-intro p{
  margin: 10px 0 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.lex-search{
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.lex-search-label{
  color: var(--muted);
  font-size: 14px;
}

.searchbar{
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
}

.searchbar input{
  width: 100%;
  height: 44px;
  padding: 10px 44px 10px 14px;
  font-size: 16px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  outline: none;
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.searchbar input::placeholder{
  color: color-mix(in srgb, var(--muted) 80%, transparent);
}
.searchbar input:focus{
  border-color: rgba(255,255,255,0.22);
  box-shadow: var(--shadow-soft);
}

.searchbar .clear{
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.searchbar .clear:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.results-meta{
  color: var(--muted);
  font-size: 14px;
  padding: 0 2px;
}

.lex-section{
  display: grid;
  gap: 12px;
}

.lex-section-heading{
  margin: 0;
  font-size: 20px;
}

.lex-collapsible{
  display: grid;
  gap: 12px;
}

.lex-collapse-toggle{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  padding: 14px 16px;
  margin: 0;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.lex-collapse-toggle:hover{
  border-color: color-mix(in srgb, var(--panel-border) 60%, #fff 40%);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.lex-collapse-toggle:focus-visible,
.lex-jump-btn:focus-visible,
.inline-audio:focus-visible,
.converter-input:focus-visible,
.searchbar input:focus-visible,
.searchbar .clear:focus-visible,
.lex-letter-link:focus-visible{
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, white 30%);
  outline-offset: 2px;
}

.lex-collapse-left{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.lex-collapse-title{
  font-size: 16px;
  color: var(--text);
  letter-spacing: .3px;
}

.lex-collapse-meta{
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.lex-collapse-icon{
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  position: relative;
  opacity: .9;
  transition: transform .2s ease;
}

.lex-collapse-icon::before,
.lex-collapse-icon::after{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: var(--muted);
  transform: translate(-50%, -50%);
}

.lex-collapse-icon::after{
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .2s ease, opacity .2s ease;
}

.lex-collapsible.is-open .lex-collapse-icon{
  transform: rotate(180deg);
}

.lex-collapsible.is-open .lex-collapse-icon::after{
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleX(0);
}

.lex-collapse-panel{
  display: none;
}

.lex-collapsible.is-open .lex-collapse-panel{
  display: block;
}

.lex-list{
  display: grid;
  gap: 14px;
}

.lex-card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.lex-card-grid--compact{
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.lex-card{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 16px 18px;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.lex-card:hover{
  background: var(--panel-hover);
  border-color: color-mix(in srgb, var(--panel-border) 60%, #fff 40%);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.lex-muted{
  color: var(--muted);
  margin: 0;
}

.lex-word-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.lex-word-main{
  font-size: 18px;
  letter-spacing: .2px;
}

.lex-ipa{
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 13px;
  color: #d9e6ff;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
}

.lex-english-inline{
  color: var(--muted);
  font-size: 14px;
}

.lex-arrow{
  color: var(--muted);
  opacity: .9;
}

.lex-hr{
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin: 12px 0;
}

.lex-meta-line{
  margin: 0 0 10px 0;
  color: var(--muted);
  font-size: 14px;
}

.lex-defs,
.lex-notes{
  margin: 0;
  padding-left: 18px;
  line-height: 1.6;
}
.lex-defs li,
.lex-notes li{
  margin: 0 0 6px 0;
  color: var(--text);
}

.lex-notes-wrap{
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255,255,255,0.10);
}

.lex-jump-btn{
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: inherit;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
}
.lex-jump-btn:hover{
  background: rgba(255,255,255,0.10);
}

.lex-letter-nav-wrap{
  position: sticky;
  top: 75px;
  z-index: 20;
  margin-bottom: 16px;
  padding: 8px 0;
  background:
    linear-gradient(180deg, #ffffff0d, #ffffff05), var(--panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  border-radius: 15px;
}

.lex-letter-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.lex-letter-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 8px 10px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  transition: background .15s ease, transform .15s ease, border-color .15s ease;
}
.lex-letter-link:hover{
  background: rgba(255,255,255,0.10);
  transform: translateY(-1px);
}

.lex-letter-group{
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.lex-letter-heading{
  margin: 0;
  font-size: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.lex-word-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 14px;
}

.lex-word-card{
  height: 100%;
}

.lex-word-english{
  color: var(--muted);
  font-size: 15px;
  margin-top: 2px;
}

.lex-word-glyph{
  display: flex;
  align-items: center;
  margin-top: 12px;
}

.lex-converter .converter-hint{
  margin-top: 0;
}

.converter-row{
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 14px;
}

.converter-input{
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.20);
  background: rgba(0,0,0,0.18);
  color: inherit;
  outline: none;
}
.converter-input:focus{
  border-color: rgba(255,255,255,0.40);
}
.converter-count{
  font-size: 0.9rem;
  opacity: 0.8;
  white-space: nowrap;
}

.converter-output-wrap{
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 12px;
}
.converter-label{
  font-size: 0.9rem;
  opacity: 0.85;
  margin-bottom: 8px;
}
.converter-output{
  min-height: 40px;
}

.inline-audio{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  text-decoration: none !important;
  transition: color .18s ease, text-shadow .18s ease, transform .18s ease;
  border: none;
  background: transparent;
  padding: 0;
}

.inline-audio:hover,
.inline-audio:focus{
  outline: none;
  color: var(--accent);
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-1px);
}

.audio-swatch{
  width: 14px;
  height: 14px;
  opacity: 0.85;
  display: inline-block;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px 14px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.35));
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23eef2f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5 6 9H2v6h4l5 4V5z'/%3E%3Cpath d='M15.54 8.46a5 5 0 0 1 0 7.07'/%3E%3Cpath d='M19.07 4.93a10 10 0 0 1 0 14.14'/%3E%3C/svg%3E");
}
.inline-audio:hover .audio-swatch{ opacity: 1; }

.visually-hidden{
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.glyph-word{
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  align-items: center;
  padding: 6px 8px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
}

.glyph{
  width: 18px;
  height: 18px;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}

.glyph-space{
  width: 10px;
  height: 1px;
  display: inline-block;
}

.glyph-punct{
  color: var(--muted);
  font-size: 14px;
  padding: 0 2px;
}

[hidden]{
  display: none !important;
}

@media (max-width: 680px){
  .lex-word-main{ font-size: 17px; }
  .glyph{ width: 17px; height: 17px; }

  .lex-head-row{
    flex-direction: column;
    align-items: flex-start;
  }

  .lex-jump-btn{
    width: 100%;
    text-align: center;
  }

  .lex-collapse-toggle{
    align-items: flex-start;
  }

  .lex-collapse-left{
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .lex-collapse-meta{
    white-space: normal;
  }

  .converter-row{
    flex-direction: column;
    align-items: stretch;
  }

  .lex-word-grid{
    grid-template-columns: 1fr;
  }

  .lex-letter-nav-wrap{
    top: 90px;
    padding: 6px 0;
  }
}