.rune-translator-page,
.rune-translator-page *,
.rune-translator-page *::before,
.rune-translator-page *::after {
  box-sizing: border-box;
}

.rune-translator-page :where(button, a, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--shell-accent);
  outline-offset: 3px;
}

.rune-translator-page [hidden] {
  display: none !important;
}

@font-face {
  font-family: "RocoRune";
  src: url("./fonts/roco-rune/RUNEREGULAR.ttf") format("truetype");
  font-display: swap;
}

:root {
  --translator-keyboard-space: 0px;
}

.rune-translator-page {
  --translator-line: var(--shell-line);
  --translator-line-strong: var(--shell-line-strong);
  --translator-text: var(--shell-text);
  --translator-muted: var(--shell-muted);
  --translator-accent: var(--shell-accent);
  --translator-panel: var(--shell-panel);
  --translator-panel-soft: var(--shell-panel-strong);
  --translator-radius-xl: 12px;
  --translator-radius-lg: 8px;
  color: var(--translator-text);
}

.translator-shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 0 var(--translator-keyboard-space);
  display: grid;
  gap: 14px;
  transition: padding-bottom 0.2s ease;
  width: 100%;
}

.translator-card {
  border: 1px solid var(--translator-line);
  border-radius: var(--translator-radius-xl);
  background: var(--translator-panel);
}

.translator-hero, .translator-panel {
  padding: 18px;
}

.translator-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
}

.translator-hero-copy, .translator-keyboard-title {
  display: grid;
  gap: 8px;
}

.translator-eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--shell-accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.translator-hero h1, .translator-panel h2 {
  margin: 0;
}

.translator-hero h1 {
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.2;
}

.translator-subline {
  margin: 0;
  color: var(--translator-muted);
  font-size: 14px;
  line-height: 1.75;
}

.translator-hero-actions, .translator-panel-head, .translator-meta-row, .translator-keyboard-head, .translator-keyboard-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.translator-hero-actions, .translator-meta-row, .translator-keyboard-actions {
  flex-wrap: wrap;
}

.translator-panel-head, .translator-keyboard-head {
  justify-content: space-between;
}

.translator-panel-head {
  margin-bottom: 12px;
}

.translator-panel-head h2 {
  font-size: 17px;
}

.translator-panel-note {
  color: var(--translator-muted);
  font-size: 13px;
}

.translator-meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--translator-line);
  background: var(--shell-panel-soft);
  color: var(--shell-text);
  font-size: 12px;
  font-weight: 650;
}

.translator-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.16s ease, background-color 0.16s ease, opacity 0.16s ease;
}

.translator-btn-primary {
  color: var(--shell-on-accent);
  background: var(--shell-accent);
}

.translator-btn-secondary {
  color: var(--shell-text);
  background: var(--shell-panel-soft);
  border-color: var(--translator-line);
}

.translator-btn-ghost {
  color: var(--shell-text);
  background: var(--shell-panel-soft);
  border-color: var(--shell-line);
}

.translator-rune-input, .translator-english-output {
  width: 100%;
  min-height: 180px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--translator-line);
  border-radius: var(--translator-radius-lg);
  background: var(--shell-field);
  color: var(--translator-text);
  resize: none;
  overflow: auto;
  outline: none;
  transition: border-color 0.18s ease;
}

.translator-rune-input:focus, .translator-english-output:focus {
  border-color: var(--translator-line-strong);
  box-shadow: 0 0 0 3px var(--shell-accent-soft);
}

.translator-rune-input {
  font-family: "RocoRune", "Microsoft YaHei", sans-serif;
  font-size: clamp(28px, 4.1vw, 54px);
  line-height: 1.35;
  letter-spacing: 0.06em;
  min-height: 200px;
}

.translator-rune-input::placeholder {
  color: var(--shell-muted);
}

.translator-english-output {
  min-height: 132px;
  font-size: 20px;
  line-height: 1.7;
}

.translator-floating-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 7;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  color: var(--shell-on-accent);
  background: var(--shell-accent);
  box-shadow: var(--shell-shadow);
  font-size: 18px;
  cursor: pointer;
}

.translator-keyboard-sheet {
  position: fixed;
  left: 50%;
  bottom: 0;
  width: min(940px, calc(100% - 16px));
  max-height: min(62vh, 430px);
  overflow: auto;
  border: 1px solid var(--translator-line);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background: var(--translator-panel-soft);
  box-shadow: var(--shell-shadow);
  transform: translateX(-50%) translateY(105%);
  transition: transform 0.22s ease;
  z-index: 9;
}

.translator-keyboard-sheet.is-open {
  transform: translateX(-50%) translateY(0);
}

.translator-keyboard-grabber {
  width: 60px;
  height: 6px;
  margin: 10px auto 0;
  border-radius: 999px;
  background: var(--shell-line-strong);
}

.translator-keyboard-head {
  padding: 12px 16px 10px;
  position: sticky;
  top: 0;
  background: var(--translator-panel-soft);
  z-index: 1;
}

.translator-keyboard-title { min-width: 0; flex: 1; }
.translator-keyboard-preview { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.translator-keyboard-open .translator-floating-btn { display: none; }
/* Typing mode keeps the editable text and live English preview above the keys. */
.translator-keyboard-open .translator-shell .translator-hero,
.translator-keyboard-open .translator-result-panel { display: none; }
.translator-keyboard-open .translator-rune-input {
  min-height: 80px;
  height: clamp(80px, calc(100dvh - var(--translator-keyboard-space) - 185px), 148px);
  padding: 12px;
}


.translator-keyboard-title strong, .translator-keyboard-title span {
  display: block;
}

.translator-keyboard-title span {
  color: var(--translator-muted);
  font-size: 12px;
}

.translator-keyboard-body {
  padding: 8px 14px 18px;
  overflow-x: hidden;
}

.translator-kb-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
  width: 100%;
}

.translator-kb-key {
  min-width: 0;
  flex: 0 1 72px;
  min-height: 72px;
  padding: 10px 8px 8px;
  border-radius: 8px;
  border: 1px solid var(--shell-line);
  background: var(--shell-panel-soft);
  color: var(--translator-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.translator-kb-key:hover {
  border-color: var(--shell-line-strong);
}

.translator-kb-key-rune {
  font-family: "RocoRune", "Microsoft YaHei", sans-serif;
  font-size: 30px;
  line-height: 1;
}

.translator-kb-key small {
  color: var(--translator-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.translator-kb-key-special {
  flex-basis: 104px;
}

.translator-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--shell-panel);
  color: var(--shell-text);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.translator-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
  .translator-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .translator-shell {
    padding: 0 0 var(--translator-keyboard-space);
  }

  .translator-hero, .translator-panel {
    padding: 14px;
  }

  .translator-rune-input {
    min-height: 148px;
    font-size: 30px;
  }

  .translator-english-output {
    min-height: 112px;
    font-size: 17px;
  }

  .translator-keyboard-sheet {
    width: calc(100% - 8px);
    max-height: min(52dvh, 330px);
    border-radius: 12px 12px 0 0;
  }

  .translator-keyboard-body {
    padding: 8px 10px 12px;
  }

  .translator-kb-row {
    gap: 4px;
    margin-bottom: 6px;
  }

  .translator-kb-key {
    min-width: 0;
    min-height: 48px;
    flex: 1 1 0;
    max-width: 42px;
    border-radius: 8px;
    padding: 7px 4px 6px;
  }

  .translator-kb-key-rune {
    font-size: 20px;
    line-height: 1;
  }

  .translator-kb-key small {
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .translator-kb-key-special {
    min-width: 0;
    max-width: none;
    flex: 1 1 0;
  }

  .translator-keyboard-head { padding: 8px 10px; gap: 6px; }
  .translator-keyboard-head .translator-btn { padding: 8px 10px; font-size: 13px; }
  .translator-keyboard-title { gap: 4px; }
  .translator-keyboard-grabber { height: 4px; margin-top: 6px; }
  .translator-keyboard-open .translator-rune-input {
    min-height: 80px;
    height: clamp(80px, calc(100dvh - var(--translator-keyboard-space) - 185px), 148px);
    padding: 12px;
  }
  .translator-keyboard-open .translator-panel { padding: 12px; }
  .translator-keyboard-open .translator-panel-head { margin-bottom: 8px; }
  .translator-keyboard-open .translator-meta-pill { min-height: 26px; padding: 0 8px; }
}