/* iMessage Timeline — Living Paper components over forme-tokens.css.
   Ground = the conversation, nothing else. Granularity lives in a summoned
   layer (the Z axis is the grammar). No box-shadow anywhere. Amber means
   agency; cool blue only whispers iMessage transport and arrival.
   Every meaning-bearing distinction must survive filter: grayscale(1). */

* { box-sizing: border-box; }

/* the hidden attribute always wins — display rules on components kept
   quietly defeating it (say-form, bubble-rest, bubble-ink: three bites) */
[hidden] { display: none !important; }

html, body {
  margin: 0; height: 100%;
  background: var(--vellum); color: var(--ink);
  font-family: Georgia, 'Iowan Old Style', serif;
  font-size: 16px; line-height: 1.45;
}

.mono {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px; letter-spacing: .08em;
  color: var(--slate);
}

/* control hierarchy: primary actions wear the ink box; fields wear a
   soft deckle edge; everything utilitarian is quiet text. Uniform boxes
   read like a rough draft — hierarchy is the sophistication. */
button, select, input {
  font: inherit; color: var(--ink); background: var(--bone);
  border: 1.5px solid var(--ink); border-radius: 3px;
  min-height: 44px; padding: 0 var(--s2); cursor: pointer;
}
select, input {
  border: 1px solid var(--deckle); background: var(--bone);
}
button.quiet {
  border: none; background: none; color: var(--graphite);
  text-decoration: underline; text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color var(--kiss) var(--press);
}
button.quiet:hover { text-decoration-color: var(--umber); color: var(--ink); }
button:focus-visible, select:focus-visible, input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px;
}

/* ---- ground: header / stream / handle ---- */

#app {
  display: flex; flex-direction: column; height: 100%; position: relative;
  max-width: 100vw; overflow: hidden;
}

header {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: var(--s2) max(var(--s3), calc((100% - 78ch) / 2));
  border-bottom: 1px solid var(--hairline);
}
header h1 { font-size: 17px; font-weight: normal; margin: 0; }
header h1 .wordmark { letter-spacing: .02em; }
header h1 em { font-style: italic; color: var(--graphite); margin-left: var(--s1); }

/* The "you've got mail" beat: one quiet line, then gone. The protocol glyph
   remains after it settles, so color is never the only carrier of meaning. */
.arrival-signal {
  --arrival-ink: var(--slate);
  position: fixed; top: 56px; left: 50%;
  transform: translate(-50%, -5px); z-index: var(--z-consent);
  max-width: min(78ch, calc(100vw - 24px));
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: var(--s1) var(--s3); color: var(--arrival-ink);
  background: var(--vellum); border-block: 1px solid var(--arrival-ink);
}
.arrival-signal.imessage { --arrival-ink: var(--imessage-blue); }
.arrival-signal.showing { animation: arrival-surface 4.2s var(--press) both; }
@keyframes arrival-surface {
  0% { opacity: 0; transform: translate(-50%, -8px); }
  16%, 82% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -2px); }
}

main { display: flex; flex: 1; min-height: 0; position: relative; }

/* The everyday chronology: Codex's quiet reading rail crossed with the
   SoundCloud idea that authored meaning has a coordinate. It stays beside
   the stream; the wide relationship map remains a summoned second scale. */
#chronology {
  position: relative; flex: 0 0 82px; min-width: 0; min-height: 0;
  display: flex; flex-direction: column; align-items: stretch;
  border-right: 1px solid var(--hairline); background: var(--vellum);
  z-index: var(--z-margin);
}
#chronology-track {
  position: relative; flex: 1; min-height: 96px; overflow: visible;
  touch-action: none; user-select: none; cursor: ns-resize;
}
#chronology-track:focus-visible { outline-offset: -3px; }
#chronology-canvas, #chronology-marks {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
#chronology-canvas { pointer-events: none; }
#chronology-marks { pointer-events: none; }
#chronology-position {
  position: absolute; left: 8px; width: 42px; height: 2px;
  transform: translateY(-1px); background: var(--ink);
  pointer-events: none; z-index: 3;
}
#chronology-position::after {
  content: ""; position: absolute; right: -2px; top: -3px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bone); border: 1.5px solid var(--ink);
}
.chronology-landmark {
  position: absolute; width: 44px; height: 44px; min-height: 44px;
  padding: 0; border: 0; border-radius: 0; background: transparent;
  display: grid; place-items: center; pointer-events: auto;
}
.chronology-face {
  width: 26px; height: 26px; display: grid; place-items: center;
  overflow: hidden; border: 1px solid var(--graphite); border-radius: 50%;
  color: var(--ink); background: var(--bone);
  font-size: 11px; letter-spacing: 0; font-variant-numeric: tabular-nums;
}
.chronology-count {
  position: absolute; left: 30px; top: 4px; min-width: 14px;
  color: var(--sienna); background: var(--vellum);
  font-size: 10px; line-height: 14px; text-align: center; letter-spacing: 0;
}
.chronology-landmark.is-live .chronology-face {
  border: 2px solid var(--amber);
}
.chronology-note .chronology-face {
  border-radius: 2px; border-style: dashed;
}
.chronology-note.is-shared .chronology-face {
  border-color: var(--amber); border-style: double;
}
.chronology-chapter .chronology-face {
  border-radius: 0; border-width: 0 0 2px; background: transparent;
}
.chronology-landmark:hover .chronology-face,
.chronology-landmark:focus-visible .chronology-face {
  color: var(--bone); background: var(--ink); border-color: var(--ink);
}
#chronology-back {
  /* the layer (z-surfaced) covered the rail's foot, so this was
     unclickable in the exact flow that arms it — you jump FROM the layer */
  position: relative; z-index: calc(var(--z-surfaced) + 1);
  flex: 0 0 44px; width: 44px; min-height: 44px; margin: 0 auto;
  padding: 0; border: 0; background: transparent; color: var(--graphite);
  font-size: 18px;
}
#chronology-back:hover { color: var(--ink); }
#chronology-preview {
  position: absolute; left: calc(100% + 10px); z-index: var(--z-surfaced);
  width: min(330px, calc(100vw - 112px)); min-width: 220px;
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--s2) var(--s3); color: var(--ink); background: var(--bone);
  border: 1px solid var(--deckle); border-left: 2px solid var(--ink);
  border-radius: 4px; pointer-events: none;
}
#chronology-preview strong {
  font-size: 15px; font-weight: normal; font-style: italic;
}
.chronology-preview-meta, .chronology-preview-more { color: var(--slate); }
.chronology-preview-reading {
  display: block; padding-top: 4px; border-top: 1px solid var(--hairline);
  font-size: 14px; line-height: 1.35;
}
#chronology-track.is-scrubbing #chronology-position { background: var(--amber); }
#chronology-track.is-scrubbing #chronology-position::after {
  border-color: var(--amber); border-width: 2px;
}

#timeline {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  position: relative; /* offsetTop of rows stays in scroll-content coords */
  padding: var(--s3) max(var(--s4), calc((100% - 78ch) / 2));
}

#layer-handle {
  padding: 0 var(--s3);
  min-height: 44px; display: flex; align-items: center;
  justify-content: space-between; gap: var(--s3);
  border-top: 1px solid var(--hairline);
  background: var(--plate);
  cursor: pointer; user-select: none;
}
#layer-handle:hover { background: var(--greige); }
#handle-label { color: var(--ink); white-space: nowrap; }
#handle-meta {
  min-width: 0; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; text-align: right;
}

/* the bubble: your next message, dashed until it's real ------------------- */
#bubble {
  border-top: 1px solid var(--hairline);
  padding: var(--s2) max(var(--s4), calc((100% - 78ch) / 2));
}
#bubble-rest {
  display: block; margin-left: var(--s6); max-width: 62ch;
  border: 1.5px dashed var(--hairline); border-radius: 4px;
  background: none; color: var(--slate); font-style: italic;
  min-height: 44px; padding: 0 var(--s3); text-align: left;
  width: calc(100% - var(--s6));
}
#bubble-rest:hover { border-color: var(--slate); }
#bubble-card {
  margin-left: var(--s6); max-width: 62ch;
  border: 1.5px dashed var(--ink); border-radius: 4px;
  background: var(--bone); padding: var(--s2) var(--s3);
}
#bubble-meta-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s2); padding-bottom: 4px;
}
#bubble-meta { color: var(--slate); }
#bubble-move {
  min-height: 44px; border: none; background: none; color: var(--slate);
  white-space: nowrap;
  text-decoration: underline; text-decoration-color: transparent;
  text-underline-offset: 4px;
}
#bubble-move:hover { text-decoration-color: var(--slate); }
#bubble-threads { max-height: 240px; overflow-y: auto; }
.bubble-thread {
  display: block; width: 100%; text-align: left;
  min-height: 44px; border: none; background: none;
  color: var(--graphite); border-top: 1px solid var(--hairline);
}
.bubble-thread.current { color: var(--ink); }
.bubble-thread:hover { background: var(--greige); }
#bubble-text {
  min-height: 44px; font: inherit; color: var(--ink);
  outline: none; white-space: pre-wrap; word-break: break-word;
  padding: 8px 0;
}
#bubble-text:empty::before {
  content: "into the thread, as yourself…";
  color: var(--slate); font-style: italic;
}
#bubble-ink {
  display: block; width: 100%; max-width: 100%; height: 200px;
  background: var(--bone); border: 1px solid var(--hairline);
  border-radius: 3px;
  touch-action: none; cursor: crosshair;
}
#bubble-row {
  display: flex; flex-wrap: wrap; gap: var(--s2); align-items: center;
  padding-top: 4px;
}
#bubble-row button {
  min-height: 44px; white-space: nowrap;
  border: none; background: none; color: var(--graphite);
  text-decoration: underline; text-decoration-color: transparent;
  text-underline-offset: 4px;
}
#bubble-row button:hover { text-decoration-color: var(--graphite); }
#bubble-send {
  border: 1.5px solid var(--ink) !important; border-radius: 3px;
  color: var(--ink) !important; padding: 0 var(--s3);
  margin-left: auto;
}
#bubble-send[data-armed="1"] {
  border-color: var(--amber) !important; color: var(--amber) !important;
}
#bubble-note { flex: 1 1 100%; color: var(--slate); }

/* the hand behind the words: ✍ toggles a message between its text and
   the strokes it was written with — provenance in the marginalia register */
.ink-toggle {
  min-height: 44px; min-width: 44px; padding: 0 var(--s1);
  border: none; background: none;
}
.ink-hand svg {
  display: block; width: 100%; max-width: 46ch; height: auto;
  background: var(--bone); border: 1px solid var(--hairline);
  border-radius: 3px; margin: 2px 0;
}

/* the landed message: the proposal became record, seen becoming so —
   a brief warm wash plus the amber edge, cooling as it settles in */
.msg.mine.just-said {
  border-left-color: var(--amber);
  border-left-width: 3px;
  background: color-mix(in srgb, var(--amber) 12%, transparent);
  transition: background 1.6s ease;
}

/* ---- message rows ---- */

.day-sep {
  display: flex; align-items: center; gap: var(--s2);
  margin: var(--s4) 0 var(--s2);
}
.day-sep[hidden] { display: none; }
.day-sep::before, .day-sep::after {
  content: ""; flex: 1; border-top: 1px solid var(--hairline);
}

.msg {
  max-width: 62ch; padding: var(--s1) var(--s2);
  margin: 2px 0; border-radius: 3px;
  position: relative;
}
.msg .sender { display: block; margin-bottom: 1px; }
/* origin: a whisper in the meta line, quieter than the name it trails */
.msg .sender .origin {
  color: var(--slate); font-size: .85em;
  margin: 0 6px 0 1px;  /* trails the name; keeps air before the timestamp */
}
.msg .sender .origin-imessage {
  position: relative; display: inline-grid; place-items: center;
  width: 13px; height: 13px; margin: 0 5px 0 1px;
  color: var(--imessage-blue); font-weight: bold;
}
.msg .sender .origin-imessage::after {
  content: ""; position: absolute; inset: 0;
  border: 1px solid var(--imessage-halo); border-radius: 50%;
  pointer-events: none;
}
.msg .body { white-space: pre-wrap; word-wrap: break-word; }
.msg .body a { color: var(--sienna); text-decoration-color: var(--deckle); }
.msg .body.placeholder { font-style: italic; color: var(--slate); }
.msg .when { opacity: 0; transition: opacity var(--kiss) var(--press); }
.msg:hover .when, .msg.selected .when { opacity: 1; }

/* mine vs theirs: form, not hue (grayscale-survivable) */
.msg.mine { margin-left: var(--s6); border-left: 2px solid var(--ink); }
.msg.theirs { margin-right: var(--s6); }

.msg.selected { background: var(--tint); }
.msg.pinned { border-right: 3px double var(--amber); }
.msg.anchor-pulse { background: var(--tint); transition: background var(--pull) var(--press); }
.msg.anchor-pulse.settled { background: transparent; }

/* New messages arrive once, then return to paper. The outline gives the same
   event on grayscale; only iMessage borrows the cool-blue transport token. */
.msg { --arrival-ink: var(--slate); }
.msg.via-imessage { --arrival-ink: var(--imessage-blue); }
.msg.arriving { animation: message-arrival 4.2s var(--press) both; }
@keyframes message-arrival {
  0% { outline: 0 solid transparent; outline-offset: 9px; background: transparent; }
  18% {
    outline: 2px solid var(--arrival-ink); outline-offset: 3px;
    background: color-mix(in srgb, var(--arrival-ink) 8%, transparent);
  }
  100% { outline: 1px solid transparent; outline-offset: 0; background: transparent; }
}

/* the ember: hover a pin on the waveform, its message glows like a coal
   (neon, translated into Living Paper — light as slow amber, never RGB) */
.msg.ember::before {
  content: ""; position: absolute; inset: -1px; border-radius: 3px;
  background: var(--amber); pointer-events: none; z-index: -1;
  animation: ember-pulse var(--ember-tempo) ease-in-out infinite;
}
@keyframes ember-pulse { 0%, 100% { opacity: .10 } 50% { opacity: .22 } }
.mark-hot { animation: ember-pulse var(--ember-tempo) ease-in-out infinite; }

/* every pin carries a quiet corona, each on its own phase — coals */
@keyframes halo-breathe { 0%, 100% { opacity: .14 } 50% { opacity: .38 } }
.mark-halo {
  opacity: .2;
  animation: halo-breathe var(--ember-tempo) ease-in-out infinite;
  pointer-events: none;
}
/* e-ink ghosts: a pulse leaves a trail on the panel, so calm mode stops
   ALL of them. Three were still breathing here (ember, pinback, resurfaced)
   — form carries those states without motion. */
body.calm .mark-halo, body.calm .msg.pinned::after,
body.calm .msg.ember::before, body.calm .msg.pinback::before,
body.calm .msg.resurfaced::before {
  animation: none; opacity: .22;
}
@media (prefers-reduced-motion: reduce) {
  .mark-halo, .mark-hot, .msg.ember::before, .msg.pinned::after,
  .msg.arriving, .arrival-signal.showing { animation: none; }
}

/* pinned messages in the stream keep a living edge */
.msg.pinned::after {
  content: ""; position: absolute; top: 0; bottom: 0; right: -5px;
  width: 5px; border-radius: 3px; background: var(--amber);
  pointer-events: none;
  animation: halo-breathe var(--ember-tempo) ease-in-out infinite;
}

/* reignited: brought back to attention — a fuller, faster ember than a
   resting pin, so a resurfaced moment reads as alive-again at a glance */
@keyframes reignite-pulse { 0%, 100% { opacity: .16 } 50% { opacity: .40 } }
.msg.resurfaced { border-radius: 4px; }
.msg.resurfaced::before {
  content: ""; position: absolute; inset: -2px; border-radius: 4px;
  background: var(--amber); pointer-events: none; z-index: -1;
  animation: reignite-pulse var(--ember-tempo) ease-in-out infinite;
}
.msg.resurfaced::after {
  content: "↻"; position: absolute; top: 2px; left: -18px;
  color: var(--sienna); font-size: 13px;
}

.tapbacks { margin-top: 2px; }
.tapbacks .tb { margin-right: var(--s2); }
.tapbacks .tb.pin { color: var(--sienna); font-weight: bold; }

/* reply threads: quiet mono marginalia, dashed = elsewhere */
.reply-to, .reply-count { display: inline-block; margin-top: 2px; }
.reply-to {
  /* it navigates, so it needs a hand-sized target: it measured 398x17 */
  display: inline-flex; align-items: center; min-height: 44px;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap;
  position: relative; cursor: pointer;
  border-bottom: 1px dashed var(--umber);
  background: none; border-top: none; border-left: none; border-right: none;
  min-height: 0; padding: 0; border-radius: 0;
  font-family: ui-monospace, Menlo, monospace; font-size: 11px;
  letter-spacing: .08em; color: var(--slate);
}
.reply-to:hover { color: var(--ink); }

/* marginalia: your ink in the margin of the record */
.msg-note {
  display: block; margin-top: var(--s1); padding-left: var(--s2);
  border-left: 2px dashed var(--deckle);
  font-style: italic; color: var(--graphite); max-width: 54ch;
}
.note-editor {
  display: block; width: min(54ch, 100%); margin-top: var(--s1);
  font-style: italic; resize: vertical; padding: var(--s1) var(--s2);
}
.note-line {
  display: block; font-style: italic; color: var(--graphite);
  padding-left: var(--s2); border-left: 2px dashed var(--deckle);
  margin: 2px 0;
}

/* glassnote todos + touch affordance */
.note-todo {
  display: flex; align-items: center; gap: var(--s1);
  min-height: 32px; cursor: pointer;
}
.note-todo input {
  width: 17px; height: 17px; min-height: 0;
  accent-color: var(--sienna); margin: 0;
}
.note-todo .done { text-decoration: line-through; color: var(--umber); }
.note-text { display: block; }
.msg .note-btn, .msg .link-btn, .msg .pin-btn, .msg .reignite-btn {
  display: none; position: absolute; top: -4px;
  min-height: 44px; min-width: 44px; padding: 0 var(--s1);
}
.msg .note-btn { right: 0; }
.msg .link-btn { right: 48px; }
.msg .pin-btn { right: 96px; white-space: nowrap; }
.msg .reignite-btn { right: 144px; white-space: nowrap; }
.msg.selected .reignite-btn, .msg:hover .reignite-btn,
.msg.selected .note-btn, .msg:hover .note-btn,
.msg.selected .link-btn, .msg:hover .link-btn,
.msg.selected .pin-btn, .msg:hover .pin-btn { display: inline-block; }

/* a pin spoken back into the thread: alive, breathing — the plasma,
   in Living Paper's only sanctioned light */
.msg.pinback { border: 1.5px solid var(--amber); border-radius: 4px; }
.msg.pinback::before {
  content: ""; position: absolute; inset: -1px; border-radius: 4px;
  background: var(--amber); pointer-events: none; z-index: -1;
  animation: ember-pulse var(--ember-tempo) ease-in-out infinite;
}
.msg.pinback .body { font-style: italic; }

/* wrapped: the stat sheet over any window */
.wrapped-controls {
  display: flex; gap: var(--s2); align-items: center; flex-wrap: wrap;
  padding: var(--s2) 0; border-bottom: 1px solid var(--hairline);
}
.wrapped-controls input[type="date"] { min-height: 44px; }

.wrapped-hero { display: block; padding: var(--s3) 0 var(--s2); }
.wrapped-big {
  display: block; font-size: 44px; line-height: 1.1; color: var(--ink);
}
.wrapped-board-shell {
  display: block; padding: var(--s3) 0;
  border-block: 1px solid var(--hairline);
}
.wrapped-board-meta {
  display: block; margin-bottom: var(--s2); color: var(--slate);
}
/* A split-flap board made of paper, not black plastic. The mechanism (the
   hinge, the seam, the riffle) is kept — it is the whole charm and it was
   asked for. What goes is the dark slab, the ten off-token hex values, and
   both box-shadows: shadows are banned, and this was the only dark object
   in the product, reading like a screenshot from a different app. */
.wrapped-board {
  width: min(100%, 660px); padding: 13px;
  background: var(--greige);
  border: 1px solid var(--deckle); border-radius: 7px;
  display: flex; flex-direction: column; gap: 4px;
  perspective: 680px;
}
.wrapped-board-row {
  min-width: 0; display: grid; grid-template-columns: repeat(22, minmax(0, 1fr));
  gap: 4px;
}
.wrapped-flap {
  min-width: 0; aspect-ratio: .74; display: grid; place-items: center;
  overflow: hidden; color: var(--ink);
  /* the seam IS the split-flap — one hairline across the hinge, no bevel */
  background:
    linear-gradient(transparent calc(50% - .5px), var(--hairline) calc(50% - .5px),
      var(--hairline) calc(50% + .5px), transparent calc(50% + .5px)),
    var(--bone);
  border: 1px solid var(--hairline); border-radius: 3px;
  font-family: ui-monospace, Menlo, monospace;
  /* 13px in an 11.5px cell sheared every glyph into a white smear at 390px */
  font-size: clamp(6px, 2.6vw, 13px);
  font-weight: 700; line-height: 1; letter-spacing: .08em;
}
.wrapped-flap.is-accent {
  border: 1.5px solid var(--amber);
  background:
    linear-gradient(transparent calc(50% - .5px), var(--amber) calc(50% - .5px),
      var(--amber) calc(50% + .5px), transparent calc(50% + .5px)),
    var(--tint);
}
/* Split-flap settle: each tile hinges down from its top edge and riffles
   (a couple of over-rotations) before landing. Per-flap --flap-delay and
   --flap-dur (set in JS with a random diagonal wave) give it organic,
   non-uniform timing. Declarative CSS only, so it runs without JS timers. */
.wrapped-flap {
  transform-origin: center top;
  backface-visibility: hidden;
  animation: flap-settle var(--flap-dur, .34s) cubic-bezier(.33, 1.15, .5, 1) both;
  animation-delay: var(--flap-delay, 0ms);
}
@keyframes flap-settle {
  0%   { transform: rotateX(-90deg); opacity: 0; }
  32%  { transform: rotateX(26deg);  opacity: 1; }
  56%  { transform: rotateX(-13deg); }
  78%  { transform: rotateX(6deg); }
  100% { transform: rotateX(0deg); opacity: 1; }
}
/* Daylight e-ink: no continuous 3D rotation (it ghosts). A gentle two-step
   fade, same random order, keeps the reveal without smearing. */
body.calm .wrapped-flap {
  animation: flap-eink var(--flap-dur, .2s) steps(2, end) both;
  animation-delay: var(--flap-delay, 0ms);
  transform: none;
}
@keyframes flap-eink { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .wrapped-flap, body.calm .wrapped-flap {
    animation: none; transform: none; opacity: 1;
  }
}
.wrapped-year {
  display: block; padding: var(--s2) 0;
  border-bottom: 1px solid var(--hairline);
}
.wrapped-y { display: block; font-size: 21px; font-style: italic; }

/* track-note composer (double-click on the waveform) */
.track-note-editor {
  position: absolute; top: 34px; width: 240px;
  font-style: italic; font-size: 14px;
  z-index: var(--z-consent);
}

/* waveform zoom reset */

/* attachments */
.att-img {
  display: block; max-width: 100%; max-height: 320px;
  border: 1px solid var(--deckle); border-radius: 3px; margin: var(--s1) 0;
}
.att-audio { margin: var(--s1) 0; }
.att-audio .mono { display: block; margin-bottom: 2px; }
.att-audio audio { display: block; height: 44px; max-width: 100%; }
.att-transcript {
  display: block; margin-top: 2px; font-style: italic; color: var(--graphite);
  max-width: 58ch;
}
.att-chip {
  display: inline-flex; align-items: center; min-height: 44px;
  max-width: 100%; white-space: normal; overflow-wrap: anywhere;
  padding: 0 var(--s2); margin: var(--s1) var(--s1) 0 0;
  background: var(--greige); border: 1px solid var(--hairline);
  border-radius: 3px;
}

/* ---- on this day: the reason to open it tomorrow — a quiet aside ---- */

#onthisday {
  position: fixed; right: var(--s3); bottom: 96px;
  z-index: var(--z-surfaced);
  background: var(--bone); border: 1px solid var(--deckle);
  border-radius: 4px; padding: var(--s2) var(--s3);
  max-width: 30rem; width: calc(100% - 32px);
  max-height: min(70vh, 640px); overflow-y: auto;
}
#onthisday .otd-summary {
  display: flex; width: 100%; min-height: 52px;
  align-items: baseline; justify-content: space-between; gap: var(--s3);
  padding: 0; border: none; background: none; text-align: left;
  color: var(--ink);
}
#onthisday .otd-summary > span:first-child {
  font-size: 17px; font-style: italic;
}
#onthisday:not(.open) .otd-head,
#onthisday:not(.open) .otd-year { display: none; }
#onthisday.open .otd-summary { display: none; }
#onthisday:not(.open) {
  padding-top: 0; padding-bottom: 0;
}
#onthisday .otd-head {
  display: flex; align-items: baseline; justify-content: space-between;
  color: var(--graphite); letter-spacing: .06em;
  padding-bottom: var(--s1); border-bottom: 1px solid var(--hairline);
}
#onthisday .otd-close {
  border: none; background: none; color: var(--graphite);
  font-size: 15px; line-height: 1; padding: 0 2px; cursor: pointer;
}
#onthisday .otd-close:hover { color: var(--ink); }
#onthisday .otd-year {
  display: block; width: 100%; text-align: left; cursor: pointer;
  border: none; background: none; border-radius: 0;
  padding: var(--s2) 2px; border-top: 1px solid var(--hairline);
}
#onthisday .otd-year:first-of-type { border-top: none; }
#onthisday .otd-year:hover { background: var(--greige); }
#onthisday .otd-year .mono { color: var(--umber); }
#onthisday .otd-year p {
  margin: 2px 0 0; font-style: italic; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#onthisday .otd-year p.otd-marked {
  border-left: 2px solid var(--amber); padding-left: var(--s2);
}

/* ---- the layer (z-surfaced, arrives from below, recedes) ---- */

#layer {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: var(--plate);
  border-top: 1.5px solid var(--ink);
  z-index: var(--z-surfaced);
  transform: translateY(105%);
  transition: transform var(--settle) var(--press);
  display: flex; flex-direction: column;
  max-height: min(82vh, 760px);
}
#layer.open { transform: translateY(0); }
#layer[hidden] { display: none; }
/* display:none teleported the tab row you just clicked 627px up the screen
   and deleted the waveform. Collapse instead: the deck keeps its place, so
   nothing moves more than its own height. */
#layer.focus-facet #wave { height: 44px; }
#layer.focus-facet #track-foot,
#layer.focus-facet #track-readout { display: none; }

/* Landscape tablets and split-screen windows are height-constrained even
   when their width misses the phone breakpoint. Keep every index and the
   close control reachable instead of clipping the lower rows off-screen. */
@media (max-height: 620px) {
  #layer {
    max-height: calc(100dvh - 48px);
    overflow-y: auto;
    overscroll-behavior-y: contain;
  }
}

#track-deck {
  flex: none; min-width: 0; background: var(--bone);
  border-bottom: 1px solid var(--deckle);
}
#track-head {
  display: grid; grid-template-columns: 54px minmax(0, 1fr) minmax(170px, auto);
  gap: var(--s3); align-items: center;
  min-height: 82px; padding: var(--s2) var(--s4);
}
#track-copy, #track-readout {
  min-width: 0; display: flex; flex-direction: column;
}
#track-copy strong {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 22px; font-weight: normal; line-height: 1.2;
}
#track-world { color: var(--sienna); }
#track-summary {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  margin-top: 2px;
}
#track-readout { text-align: right; align-items: flex-end; }
#track-date { font-size: 16px; font-style: italic; }
#track-position { margin-top: 2px; font-variant-numeric: tabular-nums; }

#wave {
  height: 156px; position: relative; flex: none;
  cursor: pointer; touch-action: none; user-select: none;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--vellum);
}
#wave svg { display: block; width: 100%; height: 100%; }

/* ---- the Z layer: a second sheet over the record ---- */
/* Depth with no shadow. The plane is vellum in exact register with the
   ground; the ground recedes as the sheet rises, driven by one scalar. */
#z-svg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none;           /* the plane is inert; its tabs are not */
  transition: opacity var(--settle) var(--press),
              transform var(--settle) var(--press);
}
#z-svg .z-tab { pointer-events: auto; cursor: pointer; }
#z-svg .z-tab:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; }
#wave-svg {
  /* recedes to a whisper under a raised sheet — never fully gone, because
     the reading is only meaningful against the record it reads */
  opacity: calc(1 - .78 * var(--z-lift, 0));
  transition: opacity var(--settle) var(--press);
}
/* e-ink: no interpolation between planes. --z-lift is already snapped to
   0 or 1 in calm mode, so these just remove the tween. */
body.calm #z-svg, body.calm #wave-svg { transition: none; }
#wave .z-hint {
  position: absolute; transform: translate(-50%, 0); bottom: 4px;
  background: var(--bone); padding: 2px var(--s2);
  border: 1px solid var(--deckle); color: var(--ink);
  white-space: nowrap; pointer-events: none; max-width: 92%;
  overflow: hidden; text-overflow: ellipsis;
}
/* The lift control. Not a checkbox — a checkbox in the primary row is the
   definition of ambient, and uniform boxes are the "early Notion" error.
   A lowercase z over a rule that fills as the sheet rises. */
#track-z {
  border: none; background: none; border-radius: 0;
  min-height: 44px; min-width: 44px; padding: 0 var(--s1);
  /* the foot stacks into a column on a phone, which stretched this to the
     full 366px — a full-width `z` reads like a banner, not a control */
  flex: 0 0 auto; align-self: flex-start; width: auto;
  /* laid out in a ROW: stacked (z / rule / count) the glyph and the count
     read as a fraction — "z over 4" looked like ²⁄₄ on the panel */
  display: flex; flex-direction: row; align-items: center;
  justify-content: center; gap: var(--s1);
  color: var(--graphite); white-space: nowrap;
}
#track-z:hover { color: var(--ink); }
#track-z[aria-pressed="true"] { color: var(--ink); }
#z-rule {
  display: block; width: 22px; height: 2px; background: var(--hairline);
  position: relative;
}
#z-rule::after {
  content: ""; position: absolute; inset: 0; background: var(--ink);
  transform: scaleX(var(--z-lift, 0)); transform-origin: left center;
  transition: transform var(--settle) var(--press);
}
body.calm #z-rule::after { transition: none; }
#z-count { color: var(--slate); }
/* the pen: quiet text until it is holding the sheet, then an ink baseline */
#track-pen, #track-undo {
  border: none; background: none; border-radius: 0;
  min-height: 44px; min-width: 44px; padding: 0 var(--s1);
  flex: 0 0 auto; align-self: flex-start; width: auto;
  color: var(--graphite); white-space: nowrap;
  border-bottom: 2px solid transparent;
}
#track-pen:hover, #track-undo:hover { color: var(--ink); }
#track-pen[aria-pressed="true"] {
  color: var(--ink); border-bottom-color: var(--ink);
}
/* writing on the sheet: the cursor says so, and the plane takes the pen */
#z-svg.z-writing { cursor: crosshair; }
#wave.z-lifted { cursor: default; }
/* The transport is a familiar icon button, separate from the scrub surface
   so playing never accidentally commits a date jump. */
#play-btn {
  width: 52px; height: 52px; min-height: 52px; padding: 14px;
  border: 1.5px solid var(--ink); border-radius: 50%;
  background: var(--ink); cursor: pointer;
}
#play-btn:hover { background: var(--graphite); }
#play-btn svg { display: block; width: 100%; height: 100%; }
#play-btn .tri, #play-btn .bars rect { fill: var(--bone); }
#play-btn .bars { display: none; }
#play-btn.playing .tri { display: none; }
#play-btn.playing .bars { display: block; }
body.calm #play-btn { width: 56px; height: 56px; padding: 15px; }

#wave .drag-label {
  position: absolute; transform: translate(-50%, 0); top: 4px;
  background: var(--bone); padding: 2px var(--s2);
  border: 1px solid var(--deckle); border-radius: 3px;
  max-width: calc(100% - 8px); white-space: normal; text-align: center;
  line-height: 1.3; pointer-events: none;
  display: none;
}
#wave.is-scrubbing { cursor: ew-resize; }
#wave.is-scrubbing .drag-label {
  border-color: var(--graphite); border-bottom-width: 2px;
}

#track-foot {
  min-height: 52px; display: flex; align-items: center;
  justify-content: space-between; gap: var(--s3);
  padding: 4px var(--s4);
}
#track-people, #track-ranges {
  display: flex; align-items: center; gap: var(--s1); min-width: 0;
}
.track-person {
  width: 32px; height: 32px; flex: 0 0 32px;
  display: inline-flex; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid var(--graphite); border-radius: 50%;
  background: var(--vellum); color: var(--ink);
  font-size: 11px; letter-spacing: 0;
}
.track-person-me { color: var(--bone); background: var(--ink); }
.track-divider { width: 18px; border-top: 1px solid var(--deckle); }
#track-ranges { flex: 0 0 auto; }
#track-ranges button {
  min-width: 44px; min-height: 44px; padding: 0 var(--s2);
  border-color: var(--hairline); background: var(--bone); color: var(--graphite);
}
#track-ranges button[aria-pressed="true"] {
  color: var(--bone); background: var(--ink); border-color: var(--ink);
}

#layer-controls {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s2) var(--s4); flex-wrap: wrap; flex: none;
}
#facets {
  display: flex; gap: var(--s2); min-width: 0; max-width: 100%;
  flex: 1 0 100%;
  overflow-x: auto; overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}
/* facets are tabs, not boxes: presence marked by an ink baseline */
.facet {
  border: none; background: none; border-radius: 0;
  border-bottom: 2px solid transparent; color: var(--graphite);
  min-width: 44px; flex: 0 0 auto; padding: 0 2px;
}
.facet:hover { color: var(--ink); }
.facet.active { border-bottom-color: var(--ink); color: var(--ink); }
.desk-call {
  min-height: 48px; width: 100%; margin-bottom: var(--s2);
  color: var(--bone); background: var(--ink); border-color: var(--ink);
  text-align: left; padding: 0 var(--s2);
}
.desk-status { margin: 0 0 var(--s2); color: var(--slate); }
.desk-entry { padding: var(--s2) 0; border-top: 1px solid var(--hairline); }
.desk-entry > p { margin: 3px 0 var(--s1); }
.desk-entry > .mono { color: var(--slate); }
.desk-source { min-height: 44px; padding: 0 var(--s1); }
#search { flex: 1; min-width: 120px; max-width: 300px; }
#thread-pick {
  width: min(280px, 100%); min-width: 220px; max-width: 280px;
  color: var(--graphite);
}
#worlds {
  max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}
#goto-btn, #export-btn, #amber-btn, #guide-btn, #layer-close {
  border: none; background: none; color: var(--graphite);
  text-decoration: underline; text-decoration-color: transparent;
  text-underline-offset: 4px;
}
#guide-btn, #layer-close { min-width: 44px; }
#goto-btn:hover, #export-btn:hover, #amber-btn:hover, #guide-btn:hover,
#layer-close:hover {
  color: var(--ink); text-decoration-color: var(--umber);
}
#layer-close { margin-left: auto; }

#facet-body {
  overflow-y: auto; padding: 0 var(--s4) var(--s3);
  min-height: 0;
}

/* the ledger */
.ledger-declare {
  display: flex; gap: var(--s2); align-items: center;
  padding: var(--s2) 0; flex-wrap: wrap;
}
.ledger-declare select { min-width: 58px; }
.ledger-declare input { flex: 1; min-width: 200px; font-style: italic; }
.ledger-bar {
  display: flex; gap: var(--s2); align-items: center; flex-wrap: wrap;
  padding: var(--s1) 0 var(--s2); border-bottom: 1px solid var(--hairline);
}
.ledger-on { color: var(--ink); text-decoration-color: var(--amber);
             text-decoration: underline; text-underline-offset: 4px; }
.ledger-row { position: relative; display: block; padding-left: 34px; }
.ledger-glyph { position: absolute; left: 4px; top: var(--s2); }
.ledger-settled .preview { color: var(--umber); text-decoration: line-through;
                           text-decoration-color: var(--deckle); }
.ledger-state { position: absolute; right: 4px; top: 4px; min-height: 44px; }
.ledger-new { color: var(--sienna); font-weight: bold; }
.ledger-resurf-tag { color: var(--sienna); font-weight: bold; }
.ledger-resurfaced { border-left: 2px solid var(--amber); padding-left: 32px; }
.facet.has-new { color: var(--sienna); }

/* the folder door (margins room): quiet, hairlined, never a box */
.co-strip {
  display: flex; gap: var(--s2); align-items: center; flex-wrap: wrap;
  padding: var(--s2) 0; border-bottom: 1px solid var(--hairline);
}
.co-strip .co-name { width: 12ch; font-style: italic; }
.co-strip .co-folder { flex: 1; min-width: 220px; font-style: italic; }
.co-note { color: var(--sienna); flex: 1 1 100%; }
.co-aside { flex: 1 1 100%; margin: 0; font-size: 13px; }
.co-head { color: var(--slate); letter-spacing: .08em; margin: var(--s3) 0 0; }
.note-share { min-height: 44px; padding: 0 var(--s1); color: var(--graphite); }
.co-consent {
  display: inline-flex; gap: var(--s1); align-items: center; flex-wrap: wrap;
  margin-top: var(--s1);
}
.journal-offered { border-left: 2px dashed var(--slate); }
.journal-ours { border-left: 3px double var(--ink); }
.journal-separate { border-left: 1px solid var(--deckle); color: var(--slate); }

/* chapters facet */
.chapter-add {
  display: flex; gap: var(--s2); align-items: center;
  padding: var(--s2) 0 var(--s3);
}
.chapter-add input { flex: 1; max-width: 320px; font-style: italic; }
.chapter-row { display: flex; align-items: baseline; gap: var(--s2); }
.chapter-title { flex: 1; text-align: left; font-size: 17px; color: var(--ink); }
.chapter-del { color: var(--umber); min-width: 44px; }
.transcribe-btn { min-height: 44px; padding: 0; }
#facet-body[hidden] { display: none; }

.panel-row {
  display: block; width: 100%; text-align: left;
  border: none; border-bottom: 1px solid var(--hairline);
  background: transparent; border-radius: 0;
  padding: var(--s2) var(--s1); min-height: 44px;
}
.panel-row:hover { background: var(--tint); }
.panel-row .preview { display: block; }
.panel-row .meta { display: block; margin-top: 1px; }
.panel-row .urls { display: block; margin-top: 2px; }
.panel-row .urls a { color: var(--sienna); font-size: 12px; word-break: break-all; }
.more { margin-top: var(--s2); width: 100%; }
.aside { font-style: italic; color: var(--slate); }

/* images facet: a contact sheet */
#panel-body.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: var(--s1); padding-top: var(--s2);
}
.thumb {
  padding: 0; min-height: 84px; background: var(--greige);
  border: 1px solid var(--deckle); border-radius: 3px; overflow: hidden;
}
.thumb img { width: 100%; height: 84px; object-fit: cover; display: block; }
.thumb .mono { display: block; padding: var(--s1); word-break: break-all; }

/* export dialog */
#export {
  position: absolute; top: var(--s3); left: 50%; transform: translateX(-50%);
  background: var(--bone); padding: var(--s3);
  border-radius: 4px; z-index: var(--z-consent);
  display: none; max-width: 46ch;
}
#export.open { display: block; }
#export p { margin: 0 0 var(--s2); }
.export-range {
  display: flex; gap: var(--s2); align-items: center; flex-wrap: wrap;
  margin-bottom: var(--s2);
}
.export-range label { display: inline-flex; align-items: center; gap: var(--s1); }
.export-range input[type="date"] { min-height: 44px; }
.export-pins input { width: 18px; height: 18px; min-height: 0; accent-color: var(--amber); }
.export-actions { display: flex; gap: var(--s2); flex-wrap: wrap; }
#export-note { min-height: 1em; margin: var(--s2) 0 0; }

/* go-to-date popover */
#goto {
  position: absolute; top: var(--s3); left: 50%; transform: translateX(-50%);
  background: var(--bone); padding: var(--s3);
  border-radius: 4px; z-index: var(--z-consent);
  display: none;
}
#goto.open { display: block; }
#goto .months { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s1); margin-top: var(--s2); }
#goto .months button { min-width: 52px; }
#goto .years { display: flex; gap: var(--s1); align-items: center; justify-content: center; }
#goto .years button { min-width: 44px; }
#goto .year-label { min-width: 64px; text-align: center; font-size: 16px; color: var(--ink); }

/* calm mode: the DC-1 evening register. Bigger warm serif, timestamps
   present without hover (touch has no hover), keyboard chrome gone. */
body.calm { font-size: 18px; }
body.calm .msg { max-width: 56ch; }
body.calm .msg .when { opacity: 1; }
body.calm #ground-hint { display: none; }
body.calm #chronology { flex-basis: 76px; }

/* consent / error card */
.card {
  max-width: 52ch; margin: var(--s6) auto; padding: var(--s4);
  background: var(--bone); border-radius: 4px;
}
.card p { margin: 0 0 var(--s2); }
.card .aside { font-style: italic; color: var(--slate); }

/* suffix adoption (STEP 6b): asks only — an overlay, not a ground
   replacement, so the timeline stays usable behind it */
#adopt-card {
  position: fixed; inset: 0; z-index: var(--z-consent);
  display: flex; align-items: center; justify-content: center;
  padding: var(--s3);
  background: color-mix(in srgb, var(--ink) 26%, transparent);
}
#adopt-card .card { width: min(38rem, 100%); margin: 0; }
#adopt-card .row { display: flex; gap: var(--s2); }

/* touch pass: small inline controls earn full hit areas invisibly */
.reply-to::after {
  /* grow into dead space only — the sender line above and the message's
     first text line below must stay clickable */
  content: ""; position: absolute; inset: -4px -10px -6px;
}
#onthisday .otd-close { min-width: 44px; min-height: 44px; }
.export-pins { display: inline-flex; align-items: center; min-height: 44px; }

/* ---- the summons: vow door 3 — the card that shows the payload ---------
   A consent surface, so it lives at the consent layer and speaks in
   proposal grammar: dashed border until something is real. Grayscale-safe:
   the stretch band is a border form, not a hue. */

.msg .summon-btn {
  display: none; position: absolute; top: -4px; right: 192px;
  min-height: 44px; min-width: 44px; padding: 0 var(--s1);
}
.msg.selected .summon-btn, .msg:hover .summon-btn { display: inline-block; }

/* the stretch: the run of messages a summons would carry — a drawn band,
   legible in grayscale (form: inset rule + tint, not hue alone) */
.msg.stretched {
  background: var(--tint);
  border-left: 3px solid var(--ink);
}

#summon {
  position: fixed; inset: 0; z-index: var(--z-consent);
  display: flex; align-items: center; justify-content: center;
  padding: var(--s3);
  /* a scrim, so the ground reads inert while consent is open — dimming is
     form, not hue: it survives grayscale */
  background: color-mix(in srgb, var(--ink) 26%, transparent);
}
.summon-card {
  width: min(38rem, 100%); max-height: 86vh; overflow-y: auto;
  background: var(--bone); border: 1.5px dashed var(--ink);
  border-radius: 4px; padding: var(--s3);
  display: flex; flex-direction: column; gap: var(--s2);
}
.summon-head {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--slate); letter-spacing: .08em;
}
.summon-close { min-width: 44px; min-height: 44px; }
.summon-lenses { display: flex; gap: var(--s1); flex-wrap: wrap; }
.summon-lens { min-height: 44px; padding: 0 var(--s2); }
.summon-lens.current {
  border: 1.5px solid var(--ink); border-radius: 3px;
  text-decoration: none;
}
.summon-question {
  font: inherit; color: var(--ink); background: var(--vellum);
  border: 1px solid var(--hairline); border-radius: 3px;
  padding: var(--s1) var(--s2); width: 100%; resize: vertical;
}
.summon-payload-head { color: var(--slate); margin: 0; }
.summon-payload {
  border: 1px solid var(--hairline); border-radius: 3px;
  background: var(--vellum); padding: var(--s2);
  max-height: 38vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--s2);
}
.summon-msg .mono { font-size: 11px; color: var(--slate); }
/* never clamp payload text: every character that will cross must be
   readable before the two taps — the box itself scrolls */
.summon-msg p { margin: 2px 0 0; white-space: pre-wrap; }
.summon-go {
  min-height: 44px; align-self: flex-start; padding: 0 var(--s3);
  white-space: normal; text-align: left;
}
.summon-go[data-armed="1"] {
  border-color: var(--amber); color: var(--amber);
}
.summon-note { color: var(--slate); margin: 0; white-space: pre-line; }
.summon-answer { white-space: pre-wrap; margin: 0; }
.summon-interview-q { margin: 0; font-style: italic; }
.summon-closing { font-style: normal; }
.summon-kept { color: var(--slate); margin: 0; }
.summon-line { font-style: italic; }
/* the unfolded interview in the margins room: q italic slate, a plain ink —
   meaning carried by form, legible in grayscale */
.summon-transcript { display: block; margin: var(--s1) 0; }
.summon-transcript .summon-tq {
  display: block; font-style: italic; color: var(--slate);
}
.summon-transcript .summon-ta { display: block; margin-bottom: var(--s1); }

/* the named door to the summons in the margins room — a full-width verb,
   not a hover secret; hidden entirely where the summons doesn't exist */
.summon-door {
  display: block; width: 100%; min-height: 44px; text-align: left;
  padding: var(--s1) var(--s2); margin-bottom: var(--s2);
  border: 1.5px dashed var(--ink); border-radius: 3px;
}

/* the desk hand's actions — labeled destinations, 44px, form not hue.
   The true destination is on the button (label above, value + host
   below), never a hover secret — the DC-1 has no hover. */
.summon-actions { display: flex; flex-direction: column; gap: var(--s1);
  margin-top: var(--s1); }
.summon-action {
  min-height: 44px; display: flex; flex-direction: column; gap: 2px;
  text-align: left; padding: var(--s1) var(--s2);
  border: 1px solid var(--hairline); border-radius: 3px;
  background: var(--bone); width: 100%;
}
.summon-action-label { display: block; }
.summon-action-dest { display: block; font-size: 11px; color: var(--slate); }
.summon-action-flat { display: block; padding: var(--s1) var(--s2);
  color: var(--slate); }

/* the worlds switch — step into one transport at a time; a visible row of
   chips, not a buried dropdown. Current world is filled ink (form, not hue). */
#worlds { display: inline-flex; gap: var(--s1); align-items: center; }
#worlds:empty { display: none; }
.world-chip {
  min-height: 44px; padding: 0 var(--s2); font: inherit;
  color: var(--slate); background: none; border: 1px solid var(--hairline);
  border-radius: 3px; letter-spacing: .04em;
}
.world-chip.current {
  color: var(--bone); background: var(--ink); border-color: var(--ink);
}

/* resume-reading pill — an offer to jump back to a bookmark, never a
   jump on its own. Dashed = a proposal, like every unconfirmed thing. */
.resume-pill {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 96px;
  z-index: var(--z-surfaced); min-height: 44px; padding: 0 var(--s3);
  font: inherit; color: var(--ink); background: var(--bone);
  border: 1.5px dashed var(--amber); border-radius: 999px;
}
.resume-pill:hover { border-style: solid; }

/* a brief confirmation toast (bookmark dropped) — silent, self-dismissing */
.wl-toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 96px;
  z-index: var(--z-consent); padding: var(--s1) var(--s3);
  color: var(--bone); background: var(--ink); border-radius: 999px;
  font-size: 13px;
}

@media (max-width: 720px) {
  /* On a phone the row scrolled horizontally with no visible scrollbar, so
     3 of the 8 indexes (media, threads, wrapped) were served but
     unreachable — the exact bug class this project already paid for once.
     Eight quiet tabs wrap onto two ink baselines and fit 390px. */
  #facets {
    flex-wrap: wrap; row-gap: var(--s1);
    overflow-x: visible; overscroll-behavior-inline: auto;
  }
  header { padding: var(--s2); gap: var(--s2); }
  header h1 { min-width: 0; }
  header h1 em {
    display: block; max-width: 70vw; margin-left: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  #ground-hint { display: none; }
  .arrival-signal { top: 72px; }
  #chronology { flex-basis: 52px; }
  #chronology-position { left: 4px; width: 36px; }
  #chronology-preview {
    left: calc(100% + 6px); width: min(280px, calc(100vw - 70px));
    min-width: 0; padding: var(--s2);
  }
  body.calm #chronology { flex-basis: 60px; }
  #timeline { padding: var(--s2); }
  #bubble { padding: var(--s2); }
  #bubble-rest, #bubble-card {
    width: 100%; max-width: 100%; margin-left: 0;
  }
  .msg { max-width: calc(100vw - 24px); }
  .msg.mine { margin-left: var(--s3); }
  .msg.theirs { margin-right: var(--s3); }

  #layer { max-height: min(88vh, 760px); }
  #track-head {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: var(--s2); min-height: 76px; padding: var(--s2);
  }
  #play-btn { width: 48px; height: 48px; min-height: 48px; padding: 13px; }
  #track-copy strong { font-size: 19px; }
  #track-readout {
    grid-column: 1 / -1; flex-direction: row; align-items: baseline;
    justify-content: space-between; gap: var(--s2); text-align: left;
    padding-top: var(--s1); border-top: 1px solid var(--hairline);
  }
  #track-date {
    min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  #wave { height: 132px; }
  #track-foot {
    min-height: 0; align-items: stretch; flex-direction: column;
    gap: var(--s1); padding: var(--s1) var(--s2) var(--s2);
  }
  #track-people { min-height: 36px; }
  #track-ranges { width: 100%; }
  #track-ranges > .mono { flex: 1; }
  #track-ranges button { flex: 0 1 58px; padding: 0 var(--s1); }

  #layer-controls { gap: var(--s1); padding: var(--s1) var(--s2) var(--s2); }
  #facets { flex: 1 0 100%; }
  #search { flex: 1 0 100%; max-width: none; width: 100%; }
  #worlds { flex: 1 0 100%; }
  #thread-pick {
    flex: 1 1 180px; width: auto; max-width: none; min-width: 0;
  }
  #layer-close { margin-left: 0; }
  #facet-body { padding: 0 var(--s2) var(--s2); }
  .resume-pill, .wl-toast { max-width: calc(100vw - 24px); text-align: center; }
  .track-note-editor { width: calc(100% - 16px); }
}