#guide-mode-layer {
  --guide-font-zh: var(--font-zh, 'Noto Serif TC', 'Source Han Serif TC', serif);
  --guide-font-en: var(--font-en, 'Inter', sans-serif);
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--guide-font-zh);
  color: #111;
  pointer-events: auto;
}

#guide-mode-layer.guide-mode-passive {
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
}

#guide-mode-layer .guide-panel {
  max-width: 720px;
  width: min(720px, calc(100vw - 48px));
  padding: 24px 40px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.97);
}

#guide-mode-layer .guide-label {
  margin: 0 0 30px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #888;
}

#guide-mode-layer .guide-label .en {
  font-family: var(--guide-font-en);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 500;
}

#guide-mode-layer .guide-label .zh {
  font-family: var(--guide-font-zh);
  font-size: 12px;
  letter-spacing: 0;
  color: #aaa;
}

#guide-mode-layer h2 {
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 500;
  line-height: 1.3;
}

#guide-mode-layer h2 .zh {
  font-family: var(--guide-font-zh);
  font-size: clamp(28px, 4.2vw, 42px);
  letter-spacing: 0.02em;
}

#guide-mode-layer h2 .en {
  font-family: var(--guide-font-en);
  font-size: clamp(13px, 1.5vw, 16px);
  font-style: italic;
  font-weight: 300;
  line-height: 1.55;
  color: #888;
  letter-spacing: 0.01em;
}

#guide-mode-layer .guide-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#guide-mode-layer .guide-options-grid {
  max-width: 640px;
}

#guide-mode-layer button {
  appearance: none;
  cursor: pointer;
  transition: background 180ms, transform 180ms, border-color 180ms, color 180ms;
}

#guide-mode-layer .guide-option,
#guide-mode-layer .guide-strip-btn {
  min-width: 160px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
  color: #111;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  line-height: 1.2;
}

#guide-mode-layer .guide-option:hover,
#guide-mode-layer .guide-option:focus-visible,
#guide-mode-layer .guide-strip-btn:hover,
#guide-mode-layer .guide-strip-btn:focus-visible {
  border-color: #111;
  background: #fafafa;
  outline: none;
}

#guide-mode-layer .guide-option:focus-visible,
#guide-mode-layer .guide-strip-btn:focus-visible {
  outline: 2px solid #0066ff;
  outline-offset: 3px;
}

#guide-mode-layer .guide-option .zh,
#guide-mode-layer .guide-strip-btn .zh {
  font-family: var(--guide-font-zh);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

#guide-mode-layer .guide-option .en,
#guide-mode-layer .guide-strip-btn .en {
  font-family: var(--guide-font-en);
  font-size: 10px;
  font-weight: 300;
  opacity: 0.72;
  letter-spacing: 0.05em;
}

#guide-mode-layer .guide-option-muted,
#guide-mode-layer .guide-strip-btn-muted {
  background: transparent;
}

#guide-mode-layer .guide-strip {
  pointer-events: auto;
  width: min(980px, calc(100vw - 32px));
  margin: 0 16px 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.97);
  border-top: 1px solid #111;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.05);
}

#guide-mode-layer .guide-count {
  font-family: var(--guide-font-en);
  font-size: 12px;
  color: #888;
  white-space: nowrap;
}

#guide-mode-layer .guide-subtitle {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#guide-mode-layer .guide-subtitle .sub-zh {
  font-family: var(--guide-font-zh);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: #222;
}

#guide-mode-layer .guide-subtitle .sub-en {
  font-family: var(--guide-font-en);
  font-size: 11px;
  line-height: 1.45;
  font-style: italic;
  font-weight: 300;
  color: #888;
  letter-spacing: 0.01em;
}

#guide-mode-layer .guide-strip-btn {
  min-width: 96px;
  min-height: 38px;
  padding: 7px 14px;
  border-radius: 4px;
}

#guide-mode-layer .guide-strip-btn .zh {
  font-size: 13px;
}

#guide-mode-layer .guide-strip-btn .en {
  font-size: 9px;
}

.guide-work-highlight {
  outline: 1px solid rgba(255, 136, 0, 0.85);
  outline-offset: 5px;
  transition: outline-color 220ms ease;
}

@media (max-width: 700px) {
  #guide-mode-layer {
    align-items: flex-end;
  }

  #guide-mode-layer .guide-panel {
    width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
    overflow: auto;
    padding: 20px 18px 18px;
    margin-bottom: 16px;
  }

  #guide-mode-layer .guide-label {
    margin-bottom: 18px;
  }

  #guide-mode-layer h2 {
    margin-bottom: 20px;
  }

  #guide-mode-layer .guide-options {
    flex-direction: column;
  }

  #guide-mode-layer .guide-option {
    width: 100%;
    min-height: 50px;
  }

  #guide-mode-layer .guide-strip {
    width: calc(100vw - 20px);
    margin: 0 10px 10px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 9px 10px calc(9px + env(safe-area-inset-bottom));
    max-height: 42vh;
    overflow: auto;
  }

  #guide-mode-layer .guide-count {
    grid-column: 1 / -1;
    white-space: normal;
  }

  #guide-mode-layer .guide-subtitle {
    grid-column: 1 / -1;
    max-height: 6.6em;
    overflow: hidden;
  }

  #guide-mode-layer .guide-subtitle .sub-zh,
  #guide-mode-layer .guide-subtitle .sub-en {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  #guide-mode-layer .guide-strip-btn {
    min-width: 0;
    min-height: 44px;
    padding: 8px 10px;
  }
}

@media (max-width: 430px) {
  #guide-mode-layer .guide-panel {
    width: calc(100vw - 20px);
    margin-bottom: 10px;
  }

  #guide-mode-layer .guide-strip {
    width: calc(100vw - 12px);
    margin-left: 6px;
    margin-right: 6px;
  }
}