/* nb_text_tools.css, Glass Canon split plate (cue | text) + Cornell rule-size marks.
   Glass recedes, text leads. Cyan is a hairline / instrument light, never a fill.
   Tokens only, no new hex. Reduced-motion: no enter animation. */

#nb2-text-tools-plate.nb2-text-tools-plate {
  position: fixed;
  z-index: 2147483600;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  min-width: min(36rem, calc(100vw - 16px));
  max-width: min(40rem, calc(100vw - 16px));
  max-height: calc(100vh - 16px);
  overflow: auto;
  padding: 0;
  color: var(--text, var(--ct-text));
  font-family: var(--font-display, Montserrat, Inter, ui-sans-serif, system-ui, sans-serif);
  background:
    linear-gradient(170deg, var(--ct-navy-top, var(--navy-panel)) 0%, var(--ct-navy-bottom, var(--navy)) 100%);
  border: 1px solid var(--hair-strong, var(--glass-border-hover));
  border-radius: var(--radius-sm, 8px);
  box-shadow: var(--shadow-drop, 0 10px 32px rgba(0, 0, 0, 0.45));
  backdrop-filter: blur(var(--blur-card, 10px));
}

#nb2-text-tools-plate .nb2-tt-pane {
  flex: 1 1 50%;
  min-width: 0;
  padding: 10px 12px 12px;
}

#nb2-text-tools-plate .nb2-tt-divider {
  flex: 0 0 1px;
  width: 1px;
  align-self: stretch;
  background: var(--hair, var(--glass-border-quiet));
}

#nb2-text-tools-plate .nb2-tt-heading {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted, var(--ct-text-muted));
}

#nb2-text-tools-plate .nb2-tt-label {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted, var(--ct-text-muted));
}

#nb2-text-tools-plate .nb2-tt-empty {
  margin: 0 0 8px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--muted, var(--ct-text-muted));
}

#nb2-text-tools-plate .nb2-tt-group { margin: 0 0 10px; }

#nb2-text-tools-plate .nb2-tt-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#nb2-text-tools-plate .nb2-ctx-item {
  display: flex;
  align-items: center;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text, var(--ct-text));
  padding: 7px 8px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

#nb2-text-tools-plate .nb2-ctx-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#nb2-text-tools-plate .nb2-ctx-item:hover:not(:disabled),
#nb2-text-tools-plate .nb2-ctx-item:focus-visible {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--hair, var(--glass-border-quiet));
}

#nb2-text-tools-plate .nb2-ctx-glyph {
  display: inline-block;
  width: 1.5em;
  text-align: center;
  color: var(--cyan);
  font-weight: 700;
  margin-right: 6px;
}

#nb2-text-tools-plate .nb2-tt-chip,
#nb2-text-tools-plate .nb2-tt-swatch,
#nb2-text-tools-plate .nb2-tt-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--hair, var(--glass-border-quiet));
  border-radius: 6px;
  color: var(--text, var(--ct-text));
  padding: 5px 8px;
  font-size: 12px;
  cursor: pointer;
}

#nb2-text-tools-plate .nb2-tt-chip {
  flex-direction: column;
  align-items: flex-start;
  min-width: 4.6rem;
}

#nb2-text-tools-plate .nb2-tt-chip-name { font-weight: 700; }
#nb2-text-tools-plate .nb2-tt-chip-meta {
  font-size: 10px;
  color: var(--muted, var(--ct-text-muted));
}

#nb2-text-tools-plate .nb2-tt-swatch-chip {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--hair, var(--glass-border-quiet));
  flex: 0 0 auto;
}

#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="text"] { background: var(--text, var(--ct-text)); }
#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="muted"] { background: var(--muted, var(--ct-text-muted)); }
#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="cyan"] { background: var(--cyan); }
#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="correct"] { background: var(--correct, var(--ct-correct)); }
#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="incorrect"] { background: var(--incorrect, var(--ct-incorrect)); }
#nb2-text-tools-plate .nb2-tt-swatch-chip[data-nb2-color="acronym"] { background: var(--acronym, var(--ct-acronym)); }

#nb2-text-tools-plate .nb2-tt-reset {
  width: 100%;
  justify-content: center;
  font-weight: 600;
}

#nb2-text-tools-plate button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (max-width: 560px) {
  #nb2-text-tools-plate.nb2-text-tools-plate {
    flex-direction: column;
    min-width: min(22rem, calc(100vw - 16px));
  }
  #nb2-text-tools-plate .nb2-tt-divider {
    width: auto;
    height: 1px;
    flex-basis: 1px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  #nb2-text-tools-plate.nb2-text-tools-plate {
    animation: nb2-tt-in 140ms ease-out;
  }
}

@keyframes nb2-tt-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  #nb2-text-tools-plate.nb2-text-tools-plate {
    animation: none;
  }
}

/* Stream / Type-box marks: discrete rule multiples. Caption stays 1-rule tall. */
.nb2-editor .nb2-rule-text[data-nb2-family="body"] {
  font-family: var(--font-body, Inter, "Segoe UI", system-ui, sans-serif);
}
.nb2-editor .nb2-rule-text[data-nb2-family="title"] {
  font-family: var(--font-display, Montserrat, Inter, ui-sans-serif, sans-serif);
}
.nb2-editor .nb2-rule-text[data-nb2-family="code"] {
  font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
}

.nb2-editor .nb2-rule-text[data-nb2-size="caption"] {
  font-size: calc(12px * var(--nb2-font-scale, 1));
  line-height: var(--nb2-rule);
}
.nb2-editor .nb2-rule-text[data-nb2-size="1"] {
  font-size: calc(16px * var(--nb2-font-scale, 1));
  line-height: var(--nb2-rule);
}
.nb2-editor .nb2-rule-text[data-nb2-size="2"] {
  font-size: calc(16px * var(--nb2-font-scale, 1) * 2);
  line-height: calc(var(--nb2-rule) * 2);
}
.nb2-editor .nb2-rule-text[data-nb2-size="3"] {
  font-size: calc(16px * var(--nb2-font-scale, 1) * 3);
  line-height: calc(var(--nb2-rule) * 3);
}

.nb2-editor .nb2-rule-text[data-nb2-color="text"] { color: var(--text, var(--ct-text)); }
.nb2-editor .nb2-rule-text[data-nb2-color="muted"] { color: var(--muted, var(--ct-text-muted)); }
.nb2-editor .nb2-rule-text[data-nb2-color="cyan"] { color: var(--cyan); }
.nb2-editor .nb2-rule-text[data-nb2-color="correct"] { color: var(--correct, var(--ct-correct)); }
.nb2-editor .nb2-rule-text[data-nb2-color="incorrect"] { color: var(--incorrect, var(--ct-incorrect)); }
.nb2-editor .nb2-rule-text[data-nb2-color="acronym"] { color: var(--acronym, var(--ct-acronym)); }