/* One-glyph font: maps ONLY U+FFFC to a blank 4em-advance glyph (every other
   codepoint falls through to the next family). Loaded first in the composer
   font stack, it gives the placeholder a real cell width INSIDE the textarea,
   so the backdrop chip (same char, same stack) matches it by construction —
   the two layers cannot drift and the chip gets a usable label cell. */
@font-face {
  font-family: 'DshChipCell';
  src: url('data:font/ttf;base64,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') format('truetype');
}

/* Floating capsule input (figma Input_Bottom 75:8208): card floats above the
   viewport bottom inside the centered message column; textarea on top, action
   row below, one primary circle button bottom-right. Input width rides the
   column (800 is a cap, not a fixed size — layout rule: the box shrinks with
   the center column keeping its padding). Hero variant = the same card
   centered in the empty state; the transition between the two is a position
   move of one component. */

.root {
  display: flex;
  flex-direction: column;
  align-items: center;
  /* figma Input_Bottom: pad L32/R32/B12; the bottom gradient mask is owned by
     the chat scroller. Top 8 hosts the error strip's breathing room. */
  padding: 8px 32px 12px;
}

.hero {
  padding: 0;
}

.error,
.status {
  width: 100%;
  max-width: 800px;
  margin-bottom: 6px;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 18px;
}

.status {
  background: var(--dsw-alias-interactive-bg-hover);
  color: var(--dsw-alias-label-secondary);
}

.notice {
  width: 100%;
  max-width: 800px;
  margin-bottom: 6px;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--dsw-alias-interactive-bg-hover);
  color: var(--dsw-alias-label-secondary);
  font-size: 12px;
  line-height: 18px;
}

.noticeError {
  background: var(--dsw-alias-interactive-bg-hover-danger);
  color: var(--dsw-alias-state-error-primary);
}

.error {
  background: var(--dsw-alias-interactive-bg-hover-danger);
  color: var(--dsw-alias-state-error-primary);
}

.card {
  position: relative; /* overlay anchor positioning context */
  display: flex;
  flex-direction: column;
  /* figma Input 75:8208: 12px between the text area and the button row; 10px
     top pad on the card before .InputText. */
  gap: 12px;
  width: 100%;
  max-width: 800px;
  padding-top: 10px;
  /* Input stroke: black/0.10 light, white/0.06 dark (figma darkmode note says
     the input border is one notch weaker than buttons) — exactly the
     l2-darkmode-thin pair. Fill: the input surface token (elevated in dark). */
  border: 1px solid var(--dsw-alias-border-l2-darkmode-thin);
  border-radius: 20px;
  background: var(--dsw-specific-input-major);
  box-shadow: var(--dsw-shadow-lv2);
  font-size: 16px;
  line-height: 24px;
}

.accessory {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px 0;
}

/* Floating overlay anchor (menu / popupSelect shell): entries position
   themselves against the card (bottom: 100% + gap); closed entries render null. */
.overlayAnchor {
  position: absolute;
  inset: 0 0 auto;
  height: 0;
}

/* Mirror-div auto-grow wrapper: the hidden mirror is in normal flow and sets the height
   (min 2 lines / max 14 lines); the textarea rides it absolutely. Mirror and textarea
   MUST share font, line-height, padding and wrapping rules or heights diverge. */
.grow {
  position: relative;
}

/* Decoration backdrop: same metrics as the textarea, transparent glyphs; only
   the highlight backgrounds and the ghost hint show through the transparent
   textarea background above it. */
.backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  color: transparent;
  pointer-events: none;
}

.hlToken {
  border-radius: 4px;
  /* GOAL 稿 amber token emphasis (state warn pair; glyphs stay the textarea's). */
  background: var(--dsw-alias-state-warn-tertiary);
  color: transparent;
}

.hlSegment {
  border-radius: 4px;
  background: var(--dsw-alias-interactive-bg-hover);
  color: transparent;
}

.hint {
  color: var(--dsw-alias-label-caption);
}

/* Machine pending dot (adjudicating / submitting). */
.pending {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dsw-alias-state-business-primary);
  animation: input-pending 1s ease-in-out infinite alternate;
}

@keyframes input-pending {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

.input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  resize: none;
  overflow-y: auto;
  border: none;
  outline: none;
  background: transparent;
  color: var(--dsw-alias-label-primary);
  /* Business blue, not brand-primary: that token resolves to ink in this sheet. */
  caret-color: var(--dsw-alias-state-business-primary);
}

.input,
.mirror,
.backdrop {
  /* figma .InputText 34:10434: pl 16 / pr 12 / pt 4. Backdrop MUST share these
     metrics or the highlight ranges drift off the glyphs. */
  padding: 4px 12px 0 16px;
  /* DshChipCell first: ONLY U+FFFC resolves there (4em blank cell — the chip
     slot); everything else falls through to the app stack. All three layers
     share the stack, so placeholder advances agree by construction. */
  font-family: 'DshChipCell', var(--dsw-font-family);
  font-size: inherit;
  line-height: inherit;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* figma 34:10434: #ADB2B8 light / #81858C dark — the caption pair exactly. */
.input::placeholder {
  color: var(--dsw-alias-label-caption);
  user-select: none;
}

/* Running lock: grayed but the draft stays visible; the turn ending re-enables. */
.input:disabled {
  color: var(--dsw-alias-label-tertiary);
  cursor: not-allowed;
}

.mirror {
  visibility: hidden;
  pointer-events: none;
  /* figma min-h 52 (= ~2 × 24 line + 4pt); 14-line cap (336px). */
  min-height: 52px;
  max-height: 336px;
  overflow: hidden;
}

/* Toolbar: attach + Plan + Read-only on the left; model + send on the right
   (figma Input_Bottom chrome). */
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 10px 10px 10px;
  min-width: 0;
}

.tools,
.modes,
.trailing {
  display: flex;
  align-items: center;
  min-width: 0;
}

/* figma 75:8208: 16 between + and the mode chips; 4 between Plan / Read-only. */
.tools {
  gap: 16px;
}

.modes {
  gap: 4px;
}

.trailing {
  flex: none;
  gap: 12px;
}

/* Attach circle (figma + control): 28px, selector fill, primary glyph. */
.add {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 999px;
  background: var(--dsw-specific-selector);
  color: var(--dsw-alias-label-primary);
  cursor: pointer;
}

.add:hover:not(:disabled) {
  background: var(--dsw-alias-interactive-bg-hover-solid);
}

.add:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Plan / Read-only / model — native <select>, chip-like closed chrome
   (figma ToggleButton: 13/20 medium secondary, 12px chevron). */
.select {
  max-width: 220px;
  height: 28px;
  padding: 0 20px 0 8px;
  border: none;
  border-radius: 8px;
  outline: none;
  background-color: transparent;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%2381858C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  background-size: 12px 12px;
  color: var(--dsw-alias-label-secondary);
  font-size: 13px;
  line-height: 20px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
}

.select:hover:not(:disabled) {
  background-color: var(--dsw-alias-interactive-bg-hover);
}

.select:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Primary send (figma IconButton 34:10465): 34px circle, #3964FE light /
   #679EFE dark — the info-fill pair (500→400), NOT button-primary (ink);
   white glyph; empty text = 0.4 opacity. */
.primary {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 999px;
  background: var(--dsw-alias-button-info-fill);
  color: var(--dsw-alias-label-primary-foreground);
  cursor: pointer;
}

.primary:hover {
  background: var(--dsw-alias-button-info-hover);
}

.primary:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Stop state: same slot, dimmed brand fill — the running-state send-key
   replacement is a design gap filled by us (figma gives no stop form). */
.stopping,
.stopping:hover {
  background: var(--dsw-alias-button-primary-dimmed);
  color: var(--dsw-alias-brand-text);
}

.retry {
  margin-left: 8px;
  padding: 1px 8px;
  border: 1px solid currentColor;
  border-radius: 4px;
  background: transparent;
  color: inherit;
  font-size: 12px;
  cursor: pointer;
}

/* Plain-text reference highlight (decision 21): a pure range mark over the
   draft's own glyphs — advance untouched, so the two layers cannot drift.
   Chip family colors; clone keeps rounded ends on soft-wrap fragments. */
.textRef {
  color: transparent;
  background-color: transparent;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  position: relative;
}
.textRef:after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;

  width: 100%;
  height: 100%;

  border-radius: 6px;
  background: rgba(97, 135, 216, 0.22);
  transform: translate(-2px, -1px);
  padding: 2px 4px;
}

/* Reference chip: rendered in the backdrop at the placeholder offset. Hard
   alignment constraint: the chip's advance must equal the textarea's U+FFFC
   advance EXACTLY or every glyph after it drifts (caret/selection follow the
   textarea character stream). The ::before renders the same U+FFFC through
   the same font stack (DshChipCell 4em cell), so both layers agree by
   construction — no measured widths. The label overlays the cell, clipped
   with an ellipsis; the full name rides the title tooltip. */
.chip {
  position: relative;
  border-radius: 6px;
  background: rgba(97, 135, 216, 0.22);
}

.chip::before {
  content: '\FFFC';
  color: transparent;
}

.chipLabel {
  /* Compensated-scale centering: overflow clipping happens BEFORE transform,
     so the box is laid out at 1/0.72 of the cell and scaled back down — the
     clip edge then lands on the visual cell edge, not mid-glyph. */
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(100% / 0.72 - 10px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--dsw-alias-label-primary);
  white-space: nowrap;
  transform: translate(-50%, -50%) scale(0.72);
}

.chipInvalid {
  background: rgba(216, 97, 97, 0.2);
  text-decoration: line-through;
  opacity: 0.7;
}