/* Billie Typewriter Composer v2
 *
 * The live line remains a 42px control inside Billie's input tray. Completed
 * lines feed into the ruled paper directly above it; all editing chrome lives
 * outside the writing surface so the page remains readable and selectable.
 */

.ai-panel__input-pill.has-billie-typewriter {
  overflow: visible;
  isolation: isolate;
}

.ai-panel__input-field.ai-panel__input-field--bridge {
  position: absolute !important;
  width: 1px !important;
  min-width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
  clip-path: inset(50%) !important;
}

.billie-composer-host {
  position: relative;
  min-width: 120px;
  height: 42px;
  flex: 1 1 0;
  align-self: center;
  overflow: visible;
  z-index: 8;
}

.billie-typewriter {
  --billie-line-height: 28px;
  --billie-live-height: 42px;
  --billie-rail-width: 36px;
  --billie-rail-gap: 0px;
  --billie-workspace-nudge: 0px;
  --billie-paper-height: 188px;
  --billie-paper-fill: color-mix(in srgb, rgba(218, 225, 239, .86) 58%, rgba(24, 34, 55, .76));
  --billie-paper-fill-solid: rgba(58, 69, 92, .96);
  --billie-toolbar-fill: color-mix(in srgb, rgba(25, 35, 55, .91) 74%, rgba(221, 229, 245, .34));
  --billie-rail-fill: color-mix(in srgb, rgba(23, 33, 53, .9) 76%, rgba(220, 229, 245, .28));
  --billie-border: color-mix(in srgb, var(--ambient-text-primary, #fff) 35%, transparent);
  --billie-border-strong: color-mix(in srgb, var(--ambient-text-primary, #fff) 52%, transparent);
  --billie-ink: color-mix(in srgb, var(--ambient-text-primary, #f5f7ff) 93%, transparent);
  --billie-muted: color-mix(in srgb, var(--ambient-text-secondary, #b9c5dc) 72%, transparent);
  position: relative;
  width: 100%;
  min-width: 0;
  height: var(--billie-live-height);
  color: var(--billie-ink);
  font-family: "Blond Spec", "Blond", "Inter", system-ui, sans-serif;
  z-index: 1;
}

.billie-typewriter,
.billie-typewriter * {
  box-sizing: border-box;
}

.billie-typewriter button {
  -webkit-tap-highlight-color: transparent;
}

/* -------------------------------------------------------------------------
   Paper workspace
   ---------------------------------------------------------------------- */

.billie-typewriter__workspace {
  position: absolute;
  left: 50%;
  /* Overlap the live line by one physical border so the page and input read
     as one continuous piece of glass instead of two stacked controls. */
  bottom: calc(var(--billie-live-height) - 1px);
  z-index: 12;
  /* Paper = the live pill's exact width; the extra width belongs only to the
     two attached tool rails. */
  width: calc(100% + (var(--billie-rail-width) * 2));
  height: var(--billie-paper-height);
  min-height: 0;
  display: grid;
  grid-template-columns: var(--billie-rail-width) minmax(0, 1fr) var(--billie-rail-width);
  gap: var(--billie-rail-gap);
  align-items: stretch;
  overflow: visible;
  transform: translateX(calc(-50% + var(--billie-workspace-nudge)));
  transform-origin: 50% 100%;
  transition:
    height 360ms cubic-bezier(.16, 1, .3, 1),
    transform 260ms cubic-bezier(.16, 1, .3, 1);
}

.billie-typewriter__workspace[hidden] {
  display: none !important;
}

.billie-typewriter.is-expanded .billie-typewriter__workspace {
  animation: billie-workspace-open 300ms cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes billie-workspace-open {
  from {
    opacity: 0;
    transform: translateX(calc(-50% + var(--billie-workspace-nudge))) translateY(9px) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateX(calc(-50% + var(--billie-workspace-nudge)));
  }
}

.billie-typewriter__paper {
  position: relative;
  z-index: 2;
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: 43px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--billie-border-strong);
  border-bottom: 0;
  border-radius: 20px 20px 0 0;
  background:
    radial-gradient(circle at 17% 0%, rgba(255, 255, 255, .46), transparent 35%),
    linear-gradient(145deg, rgba(240, 244, 252, .29), rgba(92, 108, 142, .14)),
    var(--billie-paper-fill);
  box-shadow:
    0 -18px 46px rgba(4, 8, 17, .17),
    -8px 7px 24px -12px rgba(4, 8, 17, .2),
    8px 7px 24px -12px rgba(4, 8, 17, .2),
    inset 0 1px 0 rgba(255, 255, 255, .48);
  -webkit-backdrop-filter: blur(25px) saturate(1.35);
  backdrop-filter: blur(25px) saturate(1.35);
  transition: height 360ms cubic-bezier(.16, 1, .3, 1), box-shadow 220ms ease;
}

.billie-typewriter.is-feeding .billie-typewriter__paper {
  box-shadow:
    0 -22px 52px rgba(4, 8, 17, .2),
    -8px 8px 26px -12px rgba(4, 8, 17, .2),
    8px 8px 26px -12px rgba(4, 8, 17, .2),
    inset 0 1px 0 rgba(255, 255, 255, .55);
}

/* The structural toolbar is the paper's attached cap, not a floating menu. */
.billie-typewriter__structure {
  position: relative;
  z-index: 5;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 7px;
  overflow: auto;
  border-bottom: 1px solid color-mix(in srgb, var(--billie-border) 66%, transparent);
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, .42), transparent 43%),
    var(--billie-toolbar-fill);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .33), 0 5px 15px rgba(4, 8, 17, .08);
  scrollbar-width: none;
  -webkit-backdrop-filter: blur(19px) saturate(1.3);
  backdrop-filter: blur(19px) saturate(1.3);
}

.billie-typewriter__structure::-webkit-scrollbar {
  display: none;
}

.billie-typewriter__structure-tool {
  min-width: 31px;
  height: 31px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0 7px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: color-mix(in srgb, var(--billie-ink) 86%, transparent);
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, opacity 150ms ease;
}

.billie-typewriter__structure-icon {
  min-width: 13px;
  font: 820 .69rem/1 "Inter", system-ui, sans-serif;
  text-align: center;
}

.billie-typewriter__structure-label {
  font: italic 720 .48rem/1 "Blond Spec", "Blond", "Inter", sans-serif;
  letter-spacing: .045em;
  white-space: nowrap;
}

.billie-typewriter__structure-tool:hover,
.billie-typewriter__structure-tool:focus-visible {
  border-color: color-mix(in srgb, var(--billie-ink) 29%, transparent);
  outline: none;
  background: color-mix(in srgb, var(--billie-ink) 12%, transparent);
  transform: translateY(-1px);
}

.billie-typewriter__structure-tool:disabled {
  opacity: .3;
  cursor: default;
  transform: none;
}

.billie-typewriter__paper-scroll {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  outline: none;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--billie-ink) 25%, transparent) transparent;
}

.billie-typewriter__paper-scroll:focus-visible {
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--billie-ink) 28%, #9fbaff);
}

.billie-typewriter__paper-scroll::-webkit-scrollbar {
  width: 4px;
}

.billie-typewriter__paper-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.billie-typewriter__paper-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: color-mix(in srgb, var(--billie-ink) 26%, transparent);
}

.billie-typewriter__paper-rules {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .72;
  background:
    linear-gradient(90deg, transparent 0 14px, rgba(218, 110, 120, .24) 14px 15px, transparent 15px),
    repeating-linear-gradient(
      to bottom,
      transparent 0 calc(var(--billie-line-height) - 1px),
      color-mix(in srgb, var(--billie-muted) 31%, transparent) calc(var(--billie-line-height) - 1px) var(--billie-line-height)
    );
  background-position: 0 0, 0 bottom;
}

/* Bottom alignment is intentional: one committed row occupies the one ruled
   line immediately above the permanent live editor. */
.billie-typewriter__line-stack {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 10px 0 18px;
  user-select: text;
}

.billie-typewriter__line {
  min-width: 0;
  height: var(--billie-line-height);
  min-height: var(--billie-line-height);
  flex: 0 0 var(--billie-line-height);
  overflow: hidden;
  color: var(--billie-ink);
  font: italic 650 .78rem/var(--billie-line-height) "Blond Spec", "Blond", "Inter", sans-serif;
  letter-spacing: .012em;
  white-space: pre;
  text-overflow: clip;
  cursor: text;
  border-radius: 5px;
  transition: background 140ms ease;
}

.billie-typewriter__line:hover {
  background: color-mix(in srgb, var(--billie-ink) 8%, transparent);
}

.billie-typewriter__line.is-editing {
  opacity: .62;
  background: color-mix(in srgb, #91acff 13%, transparent);
  box-shadow: inset 2px 0 0 color-mix(in srgb, #91acff 62%, transparent);
  color: color-mix(in srgb, var(--billie-muted) 82%, #91acff);
  font-size: .48rem;
  font-weight: 850;
  letter-spacing: .12em;
}

.billie-typewriter__line.is-blank {
  opacity: .36;
}

.billie-typewriter__line:is(.is-bullet, .is-numbered, .is-task) {
  padding-left: 2px;
  font-weight: 690;
}

.billie-typewriter.is-feeding .billie-typewriter__line:last-child {
  animation: billie-line-feed 280ms cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes billie-line-feed {
  from { opacity: .2; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.billie-typewriter__line ::selection,
.billie-typewriter__live-editor ::selection,
.billie-typewriter__line::selection,
.billie-typewriter__live-editor::selection {
  color: var(--billie-ink);
  background: color-mix(in srgb, #86aaff 48%, transparent);
}

/* -------------------------------------------------------------------------
   External symbol and formatting rails
   ---------------------------------------------------------------------- */

.billie-typewriter__rail {
  position: relative;
  z-index: 8;
  width: var(--billie-rail-width);
  min-width: 0;
  min-height: 0;
  height: 90%;
  align-self: end;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
  padding: 4px;
  overflow-x: visible;
  overflow-y: auto;
  border: 1px solid var(--billie-border);
  border-radius: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, .4), transparent 38%),
    var(--billie-rail-fill);
  box-shadow: 0 9px 24px rgba(4, 8, 17, .18), inset 0 1px 0 rgba(255, 255, 255, .34);
  scrollbar-width: none;
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  backdrop-filter: blur(20px) saturate(1.3);
}

.billie-typewriter__rail--symbols {
  border-right: 0;
  border-radius: 15px 0 0 15px;
}

.billie-typewriter__rail--format {
  border-left: 0;
  border-radius: 0 15px 15px 0;
}

.billie-typewriter__rail::-webkit-scrollbar {
  display: none;
}

.billie-typewriter__rail-tool {
  position: relative;
  width: 100%;
  min-height: 27px;
  height: 27px;
  flex: 0 0 27px;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: visible;
  border: 1px solid transparent;
  border-radius: 9px;
  background: color-mix(in srgb, var(--billie-ink) 5%, transparent);
  color: color-mix(in srgb, var(--billie-ink) 86%, transparent);
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, opacity 150ms ease;
}

.billie-typewriter__rail-glyph {
  min-width: 0;
  font: 760 .62rem/1 "Inter", system-ui, sans-serif;
  white-space: nowrap;
}

.billie-typewriter__rail--symbols .billie-typewriter__rail-glyph {
  font: 500 .94rem/1 Georgia, "Times New Roman", serif;
}

.billie-typewriter__rail-tool.is-bold .billie-typewriter__rail-glyph { font-weight: 950; }
.billie-typewriter__rail-tool.is-italic .billie-typewriter__rail-glyph { font-style: italic; }
.billie-typewriter__rail-tool.is-underline .billie-typewriter__rail-glyph { text-decoration: underline; text-underline-offset: 2px; }
.billie-typewriter__rail-tool.is-highlight .billie-typewriter__rail-glyph { color: #ffe29a; }
.billie-typewriter__rail-tool.is-code .billie-typewriter__rail-glyph { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .49rem; }

.billie-typewriter__rail-tool:hover,
.billie-typewriter__rail-tool:focus-visible {
  z-index: 4;
  border-color: color-mix(in srgb, var(--billie-ink) 34%, transparent);
  outline: none;
  background: color-mix(in srgb, var(--billie-ink) 14%, transparent);
  transform: scale(1.045);
}

.billie-typewriter__rail-tool:disabled {
  opacity: .28;
  cursor: default;
  transform: none;
}

/* Shortcut/name cards leave the paper rather than covering the writing. */
.billie-typewriter__rail-card {
  position: absolute;
  top: 50%;
  z-index: 20;
  width: max-content;
  max-width: 190px;
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  background: rgba(17, 24, 39, .94);
  color: rgba(247, 249, 255, .96);
  box-shadow: 0 8px 24px rgba(2, 6, 14, .3), inset 0 1px 0 rgba(255, 255, 255, .15);
  font: 680 .52rem/1.2 "Inter", system-ui, sans-serif;
  letter-spacing: .025em;
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 130ms ease, transform 180ms cubic-bezier(.16, 1, .3, 1), visibility 130ms;
}

.billie-typewriter__rail--symbols .billie-typewriter__rail-card {
  right: calc(100% + 8px);
  transform: translate(5px, -50%);
}

.billie-typewriter__rail--format .billie-typewriter__rail-card {
  left: calc(100% + 8px);
  transform: translate(-5px, -50%);
}

.billie-typewriter__rail-tool:hover .billie-typewriter__rail-card,
.billie-typewriter__rail-tool:focus-visible .billie-typewriter__rail-card {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
}

/* -------------------------------------------------------------------------
   Permanent live line
   ---------------------------------------------------------------------- */

.billie-typewriter__live-shell {
  position: relative;
  z-index: 14;
  width: 100%;
  height: var(--billie-live-height);
  min-height: var(--billie-live-height);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--billie-ink) 31%, transparent);
  border-radius: 16px;
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 255, 255, .32), transparent 48%),
    color-mix(in srgb, rgba(29, 39, 59, .34) 64%, rgba(226, 233, 247, .22));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .31), 0 5px 15px rgba(4, 8, 17, .09);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  backdrop-filter: blur(18px) saturate(1.25);
  transition: border-color 180ms ease, border-radius 220ms ease, background 180ms ease, box-shadow 180ms ease;
}

.billie-typewriter.is-expanded .billie-typewriter__live-shell {
  border-top-color: transparent;
  border-radius: 0 0 16px 16px;
  background:
    linear-gradient(145deg, rgba(240, 244, 252, .2), rgba(92, 108, 142, .12)),
    var(--billie-paper-fill);
  box-shadow:
    0 12px 25px rgba(4, 8, 17, .17),
    inset 1px 0 0 color-mix(in srgb, var(--billie-border-strong) 35%, transparent),
    inset -1px 0 0 color-mix(in srgb, var(--billie-border-strong) 35%, transparent);
}

.billie-typewriter[data-paper-mode="semi"] .billie-typewriter__paper {
  box-shadow:
    0 -13px 35px rgba(4, 8, 17, .16),
    -7px 7px 20px -12px rgba(4, 8, 17, .17),
    7px 7px 20px -12px rgba(4, 8, 17, .17),
    inset 0 1px 0 rgba(255, 255, 255, .48);
}

.billie-typewriter.is-focused .billie-typewriter__live-shell {
  border-color: color-mix(in srgb, var(--billie-ink) 55%, #90adff);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .4),
    0 0 0 2px color-mix(in srgb, #91acff 17%, transparent),
    0 7px 18px rgba(4, 8, 17, .13);
}

.billie-typewriter.is-expanded.is-focused .billie-typewriter__live-shell {
  border-top-color: transparent;
  box-shadow:
    0 12px 25px rgba(4, 8, 17, .17),
    0 0 0 2px color-mix(in srgb, #91acff 17%, transparent),
    inset 1px 0 0 color-mix(in srgb, var(--billie-border-strong) 35%, transparent),
    inset -1px 0 0 color-mix(in srgb, var(--billie-border-strong) 35%, transparent);
}

.billie-typewriter__live-editor {
  position: relative;
  inset: auto;
  z-index: 2;
  grid-column: 1;
  width: 100%;
  height: var(--billie-live-height);
  min-height: var(--billie-live-height);
  padding: 8px 12px 6px;
  overflow-x: auto;
  overflow-y: hidden;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--billie-ink);
  caret-color: color-mix(in srgb, var(--billie-ink) 90%, #90afff);
  font: italic 650 .8rem/27px "Blond Spec", "Blond", "Inter", sans-serif;
  letter-spacing: .012em;
  white-space: pre;
  overflow-wrap: normal;
  user-select: text;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.billie-typewriter__live-editor::-webkit-scrollbar {
  display: none;
}

.billie-typewriter__live-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--billie-muted);
  pointer-events: none;
}

.billie-typewriter__live-marker {
  position: absolute;
  right: 42px;
  bottom: 5px;
  z-index: 4;
  opacity: 0;
  color: var(--billie-muted);
  font: 850 .37rem/1 "Inter", system-ui, sans-serif;
  letter-spacing: .13em;
  pointer-events: none;
  transition: opacity 170ms ease;
}

.billie-typewriter.is-expanded .billie-typewriter__live-marker {
  opacity: .78;
}

.billie-typewriter__send {
  position: relative;
  top: auto;
  right: auto;
  z-index: 5;
  grid-column: 2;
  width: 34px;
  height: 34px;
  margin: 4px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--billie-ink) 34%, transparent);
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 10%, rgba(255, 255, 255, .43), transparent 48%),
    color-mix(in srgb, var(--ambient-text-secondary, #9eb6ee) 22%, rgba(53, 68, 105, .28));
  color: color-mix(in srgb, var(--billie-ink) 86%, #9bb7ff);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .34), 0 4px 12px rgba(4, 9, 19, .13);
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.billie-typewriter__send:hover,
.billie-typewriter__send:focus-visible {
  border-color: color-mix(in srgb, var(--billie-ink) 60%, transparent);
  outline: none;
  background: color-mix(in srgb, var(--ambient-text-secondary, #9eb6ee) 31%, rgba(67, 82, 121, .31));
  transform: translateY(-1px);
}

.billie-typewriter__send:active {
  transform: scale(.92);
}

.billie-typewriter__send svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.billie-typewriter__measure {
  position: fixed;
  top: -10000px;
  left: -10000px;
  width: 100px;
  height: var(--billie-live-height);
  padding: 8px 12px 6px;
  overflow: visible;
  border: 0;
  opacity: 0;
  font: italic 650 .8rem/27px "Blond Spec", "Blond", "Inter", sans-serif;
  letter-spacing: .012em;
  white-space: pre;
  pointer-events: none;
}

/* -------------------------------------------------------------------------
   Rich text treatments shared by live and committed rows
   ---------------------------------------------------------------------- */

.billie-typewriter .bt-run {
  color: inherit;
}

.billie-typewriter .bt-f-bold { font-weight: 900; }
.billie-typewriter .bt-f-italic { font-style: italic; }
.billie-typewriter .bt-f-underline { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.billie-typewriter .bt-f-strike { text-decoration: line-through; text-decoration-thickness: 1px; }
.billie-typewriter .bt-f-size-small { font-size: .78em; }
.billie-typewriter .bt-f-size-normal { font-size: 1em; }
.billie-typewriter .bt-f-size-large { font-size: 1.18em; }

.billie-typewriter .bt-f-highlight {
  margin-inline: -1px;
  padding: 1px 3px;
  border-radius: 4px;
  background: linear-gradient(110deg, rgba(255, 198, 70, .34), rgba(255, 236, 148, .62));
  box-shadow: inset 0 -1px 0 rgba(179, 128, 26, .24);
}

.billie-typewriter .bt-f-code {
  padding: 1px 4px;
  border: 1px solid color-mix(in srgb, var(--billie-ink) 20%, transparent);
  border-radius: 5px;
  background: rgba(8, 14, 26, .22);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-style: normal;
  font-size: .88em;
}

.billie-typewriter .bt-f-quote {
  margin-inline: 2px;
  padding-inline: 4px;
  border-left: 2px solid color-mix(in srgb, var(--ambient-text-secondary, #9fb8ec) 72%, transparent);
  border-radius: 3px;
  background: color-mix(in srgb, var(--ambient-text-secondary, #9fb8ec) 10%, transparent);
}

/* -------------------------------------------------------------------------
   Selection-anchored autocorrect pill
   ---------------------------------------------------------------------- */

.billie-typewriter__suggestions {
  position: absolute;
  z-index: 30;
  width: max-content;
  max-width: calc(100% - 10px);
  min-height: 31px;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 3px;
  border: 1px solid var(--billie-border-strong);
  border-radius: 999px;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, .42), transparent 48%),
    color-mix(in srgb, rgba(25, 34, 52, .96) 88%, rgba(220, 227, 240, .22));
  color: var(--billie-ink);
  box-shadow: 0 8px 20px rgba(3, 7, 15, .24), inset 0 1px 0 rgba(255, 255, 255, .28);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  backdrop-filter: blur(18px) saturate(1.25);
  animation: billie-suggestions-in 150ms cubic-bezier(.16, 1, .3, 1) both;
  scrollbar-width: none;
}

.billie-typewriter__suggestions::-webkit-scrollbar { display: none; }

.billie-typewriter__suggestions[hidden] {
  display: none !important;
}

@keyframes billie-suggestions-in {
  from { opacity: 0; transform: translateY(3px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.billie-typewriter__suggestion {
  min-width: max-content;
  height: 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border: 1px solid color-mix(in srgb, var(--billie-ink) 16%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--billie-ink) 7%, transparent);
  color: inherit;
  font: italic 690 .63rem/1 "Blond Spec", "Blond", "Inter", sans-serif;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.billie-typewriter__suggestion:hover,
.billie-typewriter__suggestion:focus-visible {
  border-color: color-mix(in srgb, var(--billie-ink) 34%, transparent);
  outline: none;
  background: color-mix(in srgb, var(--billie-ink) 13%, transparent);
  transform: translateY(-1px);
}


/* -------------------------------------------------------------------------
   State and sent-message preservation
   ---------------------------------------------------------------------- */

.billie-typewriter.is-disabled {
  opacity: .5;
}

.billie-typewriter.is-disabled .billie-typewriter__live-editor {
  cursor: not-allowed;
}

.billie-typewriter.has-selection .billie-typewriter__rail--format {
  border-color: var(--billie-border-strong);
  box-shadow: 0 9px 26px rgba(4, 8, 17, .2), 0 0 0 2px color-mix(in srgb, #8eabff 10%, transparent), inset 0 1px 0 rgba(255, 255, 255, .34);
}

/* Rich messages leave the composer with the same usable measure as the paper,
   so lists and deliberate line breaks do not reflow into a much wider shape. */
.ai-panel__message--user.ai-panel__message--user-rich {
  width: min(230px, 100%);
  max-width: 100%;
  --ai-message-bg:
    linear-gradient(to bottom, transparent 0 27px, rgba(255, 255, 255, .055) 27px 28px),
    color-mix(in srgb, rgba(210, 210, 210, .55) 64%, rgba(190, 190, 190, .2));
  background-size: auto 28px, auto;
}

.ai-panel__message--user-rich .bi-msg-text {
  width: 100%;
  min-width: 0;
  white-space: pre-wrap;
}

.billie-user-list-line {
  width: 100%;
  display: inline-grid;
  grid-template-columns: 1.45em minmax(0, 1fr);
  align-items: start;
  column-gap: .24em;
}

.billie-user-list-marker {
  min-width: 0;
  color: color-mix(in srgb, currentColor 78%, var(--ambient-text-secondary, #aab8d8));
  font-weight: 850;
  text-align: center;
}

.billie-user-list-body {
  min-width: 0;
}

.billie-user-list-line--task .billie-user-list-marker {
  transform: translateY(.02em);
}

.billie-user-list-line--task.is-checked .billie-user-list-body {
  opacity: .7;
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.bi-msg-text strong {
  font-weight: 900;
}

.bi-msg-text em {
  font-style: italic;
}

.bi-msg-text .billie-user-mark,
.bi-msg-text mark {
  margin-inline: -1px;
  padding: 1px 3px;
  border-radius: 4px;
  background: linear-gradient(110deg, rgba(255, 199, 73, .34), rgba(255, 234, 143, .62));
  color: inherit;
  box-shadow: inset 0 -1px 0 rgba(181, 132, 34, .24);
}

.bi-msg-text .billie-user-code,
.bi-msg-text code {
  padding: 1px 4px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 5px;
  background: rgba(0, 0, 0, .15);
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .91em;
}

.bi-msg-text .billie-user-quote {
  margin-inline: 2px;
  padding-inline: 5px;
  border-left: 2px solid currentColor;
  border-radius: 3px;
  background: rgba(255, 255, 255, .07);
  opacity: .9;
}

.bi-msg-text :is(u, .billie-user-underline) {
  text-underline-offset: 2px;
}

.bi-msg-text :is(s, del, .billie-user-strike) {
  text-decoration-thickness: 1px;
}

.bi-msg-text :is(small, .billie-user-size--small) { font-size: .8em; }
.bi-msg-text .billie-user-size--large { font-size: 1.16em; }

/* Settings → Function → Panel Functionality. Keep this aligned with the
   neighbouring Routine Finance controls. */
.billie-paper-setting-container-bar {
  position: absolute;
  top: 222px;
  left: 10px;
  right: 26px;
  width: 545px !important;
  box-sizing: border-box;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 16px 13px 18px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 12px;
  background: rgba(255, 255, 255, .08);
  opacity: 0;
}

.billie-paper-setting-container-bar.visible {
  display: flex;
  opacity: 1;
}

/* -------------------------------------------------------------------------
   Performance and responsive behaviour
   ---------------------------------------------------------------------- */

html.perf-lite :is(
  .billie-typewriter__paper,
  .billie-typewriter__structure,
  .billie-typewriter__rail,
  .billie-typewriter__live-shell,
  .billie-typewriter__suggestions
) {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

html.perf-lite .billie-typewriter__paper {
  background: var(--billie-paper-fill-solid);
  box-shadow: 0 -10px 26px rgba(4, 8, 17, .15), 0 7px 16px rgba(4, 8, 17, .12), inset 0 1px 0 rgba(255, 255, 255, .28);
}

html.perf-lite .billie-typewriter__rail-card {
  box-shadow: 0 5px 13px rgba(2, 6, 14, .22);
}

@media (max-width: 768px), (max-height: 500px) and (pointer: coarse) {
  html body:not(.ivy-guardian-mode) .ai-panel__input-pill.has-billie-typewriter {
    grid-template-areas:
      "attach focus field"
      "energy energy energy";
  }

  html body:not(.ivy-guardian-mode) .billie-composer-host {
    grid-area: field;
    width: 100%;
    min-width: 0;
    height: 42px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter {
    --billie-rail-width: 29px;
    --billie-rail-gap: 0px;
    width: 100%;
    min-width: 0;
    height: 42px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__workspace {
    width: min(calc(100vw - 16px), calc(100% + (var(--billie-rail-width) * 2)));
    max-width: 430px;
    grid-template-columns: var(--billie-rail-width) minmax(0, 1fr) var(--billie-rail-width);
    gap: var(--billie-rail-gap);
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__paper {
    grid-template-rows: 40px minmax(0, 1fr);
    border-radius: 17px 17px 0 0;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__structure {
    gap: 2px;
    padding: 4px 5px;
    scroll-snap-type: x proximity;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__structure-tool {
    min-width: 30px;
    height: 30px;
    gap: 3px;
    padding: 0 6px;
    scroll-snap-align: start;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__structure-label {
    font-size: .44rem;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail {
    gap: 2px;
    padding: 3px 2px;
    border-radius: 0;
    overflow-x: hidden;
    overflow-y: auto;
    touch-action: pan-y;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail--symbols {
    border-radius: 12px 0 0 12px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail--format {
    border-radius: 0 12px 12px 0;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail-tool {
    min-height: 26px;
    height: 26px;
    flex-basis: 26px;
    border-radius: 8px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail-glyph {
    font-size: .56rem;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail--symbols .billie-typewriter__rail-glyph {
    font-size: .83rem;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__rail-card {
    display: none;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__line-stack {
    padding-inline: 16px 7px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__line {
    font-size: .73rem;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__live-editor,
  html body:not(.ivy-guardian-mode) .billie-typewriter__measure {
    padding: 7px 9px 6px;
    font-size: 16px;
    line-height: 27px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__live-marker {
    display: none;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__send {
    top: auto;
    right: auto;
    width: 34px;
    height: 34px;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__suggestions {
    inset: auto;
    max-width: calc(100% - 8px);
    min-height: 33px;
    padding: 3px;
  }

  .billie-paper-setting-container-bar.visible {
    top: 212px !important;
    left: 10px;
    right: auto;
    width: 84svw !important;
    min-height: 68px;
    gap: 10px;
    padding: 11px 12px 11px 15px;
  }
}

@media (max-width: 360px) {
  html body:not(.ivy-guardian-mode) .billie-typewriter__workspace {
    width: calc(100vw - 16px);
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__structure-label {
    display: none;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__structure-tool {
    width: 31px;
    min-width: 31px;
    padding: 0;
  }

  html body:not(.ivy-guardian-mode) .billie-typewriter__suggestion {
    padding-inline: 7px;
  }
}

@media (hover: none), (pointer: coarse) {
  .billie-typewriter__rail-card {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .billie-typewriter *,
  .billie-typewriter *::before,
  .billie-typewriter *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}