/* Hermit WebUI - one stylesheet, no build step.
 *
 * Design rules
 *   - one fact, one home: sessions in the rail, model/approval/plan in the
 *     top bar, the run in the right panel, attachments in the composer;
 *   - settings open as popovers anchored to the control that owns them,
 *     with icon + label + one line of explanation + a check on the current
 *     value (the pattern all three reference apps use);
 *   - motion is short and eased: 120ms for feedback, 180ms for entrances,
 *     nothing bounces, and prefers-reduced-motion turns it all off. */

/* Tokens are named the way the reference desktop app names them: four text
 * levels, three surfaces per zone (main / sidebar / composer), and borders
 * mixed out of the foreground rather than hard-coded greys - which is what
 * keeps the dark and the light sheet on the same visual rhythm. */
:root {
  color-scheme: dark;

  --text-primary: #f2f2f5;
  --text-secondary: #a9a9b4;
  --text-tertiary: #7d7d89;
  --text-quaternary: #5e5e69;
  --text-error: #f0616d;
  --text-success: #3ecf95;

  --main-surface-primary: #0d0d0f;
  --main-surface-secondary: #141417;
  --main-surface-tertiary: #1d1d22;

  --sidebar-surface-primary: #111114;
  --sidebar-surface-secondary: #18181c;
  --sidebar-surface-tertiary: #202026;

  --composer-surface-primary: #16161a;
  --composer-surface-secondary: #202026;

  --bg-code: #08080a;
  --bubble-user: var(--main-surface-tertiary);

  /* every hover/active tint is alpha, so it lands correctly on any surface */
  --hover: color-mix(in srgb, var(--text-primary) 7%, transparent);
  --hover-strong: color-mix(in srgb, var(--text-primary) 13%, transparent);

  --accent-primary: #3ecf95;
  --accent-fg: #04241a;
  --accent-weak: color-mix(in srgb, var(--accent-primary) 14%, transparent);
  --accent-line: color-mix(in srgb, var(--accent-primary) 55%, transparent);
  --link: var(--accent-primary);
  --violet: #8b7bff;
  --warn: #e0b341;
  --selection-bg: color-mix(in srgb, var(--accent-primary) 30%, transparent);
  --selection-fg: var(--text-primary);

  --border-light: color-mix(in srgb, var(--text-primary) 14%, transparent);
  --border-medium: color-mix(in srgb, var(--text-primary) 24%, transparent);
  --border-heavy: color-mix(in srgb, var(--text-primary) 34%, transparent);

  /* short aliases: the rest of the sheet keeps reading the same way */
  --bg: var(--main-surface-primary);
  --bg-soft: var(--main-surface-secondary);
  --bg-lift: var(--main-surface-tertiary);
  --bg-hover: var(--hover);
  --fg: var(--text-primary);
  --fg-dim: var(--text-secondary);
  --fg-faint: var(--text-tertiary);
  --fg-quat: var(--text-quaternary);
  --line: var(--border-light);
  --line-strong: var(--border-medium);
  --accent: var(--accent-primary);
  --danger: var(--text-error);

  /* the side columns grow with the screen so a wide window does not turn into
   * one wide middle: the text stays near the run panel it is read against */
  --rail: clamp(240px, 14vw, 280px);
  --panel: clamp(296px, 20vw, 380px);
  --content: 720px;   /* text column and composer share this edge */
  --radius: 12px;
  --radius-lg: 22px;
  --shadow: 0 16px 40px rgba(0, 0, 0, .45);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, .3);
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans CJK SC", sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-pop: cubic-bezier(.2, .9, .3, 1.06);   /* enters with a hint of overshoot */
  --t-fast: 120ms;
  --t: 180ms;
}
[data-theme="light"] {
  color-scheme: light;

  --text-primary: #14141a;
  --text-secondary: #55555f;
  --text-tertiary: #7c7c86;
  --text-quaternary: #9c9ca6;
  --text-error: #c8303f;
  --text-success: #0f8f66;

  --main-surface-primary: #ffffff;
  --main-surface-secondary: #f7f7f9;
  --main-surface-tertiary: #ffffff;

  --sidebar-surface-primary: #fafafb;
  --sidebar-surface-secondary: #f1f1f4;
  --sidebar-surface-tertiary: #ffffff;

  --composer-surface-primary: #ffffff;
  --composer-surface-secondary: #f4f4f6;

  --bg-code: #f5f5f7;
  --bubble-user: #eef0f4;

  --accent-primary: #0f9d70;
  --accent-fg: #ffffff;

  --border-light: color-mix(in srgb, var(--text-primary) 12%, transparent);
  --border-medium: color-mix(in srgb, var(--text-primary) 20%, transparent);
  --border-heavy: color-mix(in srgb, var(--text-primary) 30%, transparent);

  --warn: #a9761a;
  --shadow: 0 16px 40px rgba(20, 20, 35, .14);
  --shadow-sm: 0 6px 18px rgba(20, 20, 35, .1);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  overflow: hidden; /* columns scroll, never the page */
}
button, textarea, input { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
button:disabled { cursor: default; }
.grow { flex: 1 1 auto; }
.quiet, .muted { color: var(--fg-dim); }
.tiny { font-size: 12px; }
[hidden] { display: none !important; }
::selection { background: var(--selection-bg); color: var(--selection-fg); }

/* one icon system: everything is drawn on the same 24px grid, stroked with
 * the current text colour, so header, rail, popovers and composer match */
svg.i {
  width: 18px; height: 18px; flex: 0 0 auto; display: block;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
svg.i .f { fill: currentColor; stroke: none; }
.icon svg.i { width: 18px; height: 18px; }
.icon.tiny svg.i { width: 15px; height: 15px; }
.chip svg.i { width: 15px; height: 15px; }
.chip .chev { width: 13px; height: 13px; opacity: .6; }
.new-task svg.i { width: 17px; height: 17px; }
.send svg.i { width: 19px; height: 19px; stroke-width: 2; }
svg.i.only-light { display: none; }
[data-theme="light"] svg.i.only-dark { display: none; }
[data-theme="light"] svg.i.only-light { display: block; }

/* the changed-file rows in the run panel: path, then +added / -removed */
.fstat { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 13px; animation: fade-in var(--t) var(--ease) both; }
.fstat .fimg { width: 15px; height: 15px; color: var(--text-quaternary); }
.fstat .p {
  flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; font-family: var(--mono); font-size: 12px;
}
.fstat .a, .fstat .d { font-variant-numeric: tabular-nums; font-size: 12px; }
.fstat .a { color: var(--text-success); }
.fstat .d { color: var(--text-error); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: var(--line-strong); border-radius: 99px;
  border: 3px solid transparent; background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--fg-faint); background-clip: content-box; }

/* --- frame ---------------------------------------------------------------- */
#app {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr) var(--panel);
  grid-template-rows: minmax(0, 1fr);
  height: 100dvh;
  /* the rail keeps its track and collapses to 0px, so the two states have the
   * same track count and the column width can actually be interpolated */
  transition: grid-template-columns 300ms var(--ease);
}
/* a zeroed track plus display:none used to slide #main into column one and
 * crush it to nothing; the rail now stays in flow and is clipped instead */
body.no-side #app { grid-template-columns: 0px minmax(0, 1fr) var(--panel); }
body.no-panel #app { grid-template-columns: var(--rail) minmax(0, 1fr) 0px; }
body.no-side.no-panel #app { grid-template-columns: 0px minmax(0, 1fr) 0px; }
/* the expand control only exists while the rail is folded away, so exactly one
 * toggle is ever on screen */
#btn-side { display: none; }
body.no-side #btn-side { display: inline-flex; }

.icon {
  width: 32px; height: 32px; border-radius: 9px; flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-dim); font-size: 15px;
  transition: background var(--t-fast), color var(--t-fast), transform 90ms var(--ease);
}
.icon:hover { background: var(--bg-hover); color: var(--fg); }
.icon:active { transform: scale(.94); }
.icon.tiny { width: 26px; height: 26px; font-size: 13px; }
.round { border-radius: 50%; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; height: 30px;
  padding: 0 11px; border-radius: 99px; border: 1px solid transparent;
  background: none; color: var(--fg-dim); font-size: 13px;
  max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform 90ms var(--ease);
}
.chip:hover { background: var(--bg-hover); color: var(--fg); }
.chip:active { transform: scale(.97); }
.chip.model { color: var(--fg); font-weight: 600; background: var(--bg-lift); border-color: var(--line); }
.chip.model:hover { border-color: var(--line-strong); }
.chip.warn { color: var(--warn); }
.chip .chev { font-size: 11px; opacity: .65; }
.badge {
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 99px;
  background: var(--accent-weak); color: var(--accent);
  font-size: 11px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}

/* --- rail ----------------------------------------------------------------- */
#side {
  background: var(--sidebar-surface-primary); border-right: 1px solid var(--border-light);
  min-width: 0; overflow: hidden;      /* clips the rail while its track collapses */
}
/* the contents keep their own width and slide out, so nothing reflows mid-flight
 * and the exit reads as one movement instead of a squeeze */
.side-inner {
  width: var(--rail); height: 100%; min-width: 0;
  display: flex; flex-direction: column; padding: 12px 10px 10px;
  transition: transform 300ms var(--ease-pop), opacity 200ms var(--ease);
}
body.no-side .side-inner { transform: translateX(-18px); opacity: 0; }
body.no-side #side { pointer-events: none; }
.side-head { display: flex; align-items: center; gap: 2px; margin-bottom: 14px; }
/* the wordmark is a label, not a control: no logo tile, nothing to click */
.brand { flex: 1 1 auto; display: flex; align-items: center; min-width: 0; padding: 6px 8px; }
.brand-name {
  font-weight: 700; letter-spacing: .2px; font-size: 15px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.new-task {
  display: flex; align-items: center; gap: 9px; height: 40px; padding: 0 12px;
  margin-bottom: 18px; border-radius: 12px; font-weight: 600;
  background: var(--bg-lift); border: 1px solid var(--line);
  transition: border-color var(--t-fast), background var(--t-fast), transform 90ms var(--ease);
}
.new-task:hover { border-color: var(--line-strong); background: var(--bg-hover); }
.new-task:active { transform: scale(.985); }
.new-task .plus { color: var(--accent); font-size: 16px; line-height: 1; }

.side-sec {
  display: flex; align-items: center; gap: 6px; padding: 0 8px 6px;
  color: var(--fg-faint); font-size: 11px; font-weight: 600;
  letter-spacing: .7px; text-transform: uppercase;
}
.sessions { flex: 1 1 auto; overflow-y: auto; min-height: 40px; scrollbar-gutter: stable; }
.sess-item {
  display: flex; align-items: baseline; gap: 8px; width: 100%;
  padding: 7px 9px; border-radius: 9px; text-align: left;
  color: var(--text-secondary); font-size: 13.5px;
  animation: fade-in var(--t) var(--ease) both;
  transition: background var(--t-fast), color var(--t-fast);
}
.sess-item:hover { background: var(--hover); color: var(--text-primary); }
.sess-item.on { background: var(--sidebar-surface-tertiary); color: var(--text-primary); font-weight: 600; }
.sess-item.on::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); flex: 0 0 auto; align-self: center;
}
.sess-item .t { flex: 1 1 auto; min-width: 0; overflow: hidden; }
.sess-item .ts { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* a title that does not fit fades at the edge and scrolls itself on hover, the
 * way the reference sidebar handles long names (its data-marquee-text pattern) */
.sess-item .t.mq { mask-image: linear-gradient(90deg, #000 calc(100% - 18px), transparent); }
.sess-item:hover .t.mq { mask-image: none; }
.sess-item:hover .t.mq .ts {
  width: max-content; text-overflow: clip;
  animation: marquee 2.6s var(--ease) 160ms infinite alternate;
}
@keyframes marquee { from { transform: none; } to { transform: translateX(calc(-1 * var(--mq, 0px))); } }
.sess-item .n { font-size: 11px; color: var(--text-quaternary); font-weight: 400; white-space: nowrap; }
.side-foot {
  display: flex; align-items: center; gap: 6px; padding-top: 10px;
  margin-top: 6px; border-top: 1px solid var(--line);
}
.who { display: flex; align-items: center; gap: 9px; min-width: 0; flex: 1 1 auto; }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--violet), var(--accent));
  color: #fff; font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.who-text { min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.who-text b { font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who-text i { font-size: 11px; color: var(--fg-faint); font-style: normal; }

/* --- top bar -------------------------------------------------------------- */
#main { display: flex; flex-direction: column; min-width: 0; position: relative; }
#topbar { display: flex; align-items: center; gap: 4px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.seg {
  display: flex; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 99px; padding: 2px; position: relative;
}
.seg button {
  height: 25px; padding: 0 12px; white-space: nowrap; border-radius: 99px; color: var(--fg-dim); font-size: 12.5px;
  transition: color var(--t-fast), background var(--t);
}
.seg button.on { background: var(--bg-lift); color: var(--fg); font-weight: 600; }
.only-narrow { display: none; }

#scroll {
  flex: 1 1 auto; overflow-y: auto; padding: 22px 0 10px;
  scroll-behavior: smooth; scrollbar-gutter: stable;
}
#log { max-width: calc(var(--content) + 40px); margin: 0 auto; padding: 0 20px; }
#log:empty { display: none; }

/* --- empty state ---------------------------------------------------------- */
/* the first screen is one line: no logo, no suggestion wall. It goes away the
 * moment the first message lands (see showEmpty). */
#empty { margin: 22vh auto 0; padding: 0 20px; text-align: center; }
#empty.gone { display: none; }
#empty .ready {
  margin: 0; color: var(--text-tertiary); font-size: 15px; letter-spacing: .3px;
  animation: fade-in 320ms var(--ease) both;
}

/* --- transcript ----------------------------------------------------------- */
/* one left edge for everything (answer, process block, notes), the same edge
 * as the composer; prompts hang on the right edge with their images above */
.msg { display: flex; flex-direction: column; align-items: stretch; padding: 14px 0 0; animation: fade-up var(--t) var(--ease) both; }
.msg .body { min-width: 0; max-width: 100%; }
.msg.user { align-items: flex-end; padding-top: 24px; }
#log > .msg.user:first-child { padding-top: 6px; }
.msg.user .body {
  background: var(--bubble-user); border-radius: 24px;
  padding: 11px 18px; max-width: min(76%, 560px); white-space: pre-wrap; word-break: break-word;
}
.msg.error .body { color: var(--danger); white-space: pre-wrap; }
.msg.error .body::before {
  content: "!"; display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-right: 8px; border-radius: 50%; vertical-align: 1px;
  background: color-mix(in srgb, var(--danger) 18%, transparent); font-size: 12px; font-weight: 800;
}
.body > :first-child, .live-html > :first-child { margin-top: 0; }
.body > :last-child, .live-html > :last-child { margin-bottom: 0; }
.body h1, .body h2, .body h3, .body h4 { line-height: 1.35; margin: 1.1em 0 .5em; }
.body h1 { font-size: 1.45em; } .body h2 { font-size: 1.25em; } .body h3 { font-size: 1.1em; }
.body p, .body ul, .body ol { margin: .55em 0; }
.body ul, .body ol { padding-left: 1.4em; }
.body li { margin: .22em 0; }
.body a { color: var(--link); }
.body code {
  font-family: var(--mono); font-size: .88em; background: var(--bg-code);
  border: 1px solid var(--line); border-radius: 6px; padding: .1em .35em;
}
.body pre {
  background: var(--bg-code); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px; overflow-x: auto; margin: .75em 0;
}
.body pre code { background: none; border: 0; padding: 0; font-size: 13px; }
.body blockquote { margin: .75em 0; padding: .1em 0 .1em 12px; border-left: 3px solid var(--line-strong); color: var(--fg-dim); }
.body table { border-collapse: collapse; margin: .75em 0; font-size: 13.5px; display: block; overflow-x: auto; }
.body th, .body td { border: 1px solid var(--line); padding: 5px 9px; text-align: left; }
.body th { background: var(--bg-soft); }
.body img { max-width: 100%; border-radius: 10px; }
.body hr { border: 0; border-top: 1px solid var(--line); margin: 1.2em 0; }
/* a caret while tokens are still arriving */
.body.live > .live-html > :last-child::after {
  content: ""; display: inline-block; width: 7px; height: 14px;
  margin-left: 3px; vertical-align: -2px; border-radius: 2px;
  background: var(--accent); animation: blink 1.1s steps(2, start) infinite;
}

/* a prompt's images: above the bubble and outside it, square tiles when there
 * are several, the picture's own shape when there is one */
.attach-strip { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; margin: 0 0 10px; max-width: 100%; }
.attach-strip .thumb {
  display: block; width: 152px; height: 152px; padding: 0; overflow: hidden; cursor: zoom-in;
  border-radius: 20px; border: 1px solid var(--line); background: var(--bg-soft);
  animation: rise var(--t) var(--ease) both;
  transition: border-color var(--t-fast), transform 90ms var(--ease);
}
.attach-strip .thumb:hover { border-color: var(--line-strong); }
.attach-strip .thumb:active { transform: scale(.985); }
.attach-strip .thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.attach-strip.one .thumb { width: auto; height: auto; }
.attach-strip.one .thumb img {
  width: auto; height: auto; min-width: 72px; min-height: 72px;
  max-width: min(260px, 70vw); max-height: 260px; object-fit: contain;
}

.turn-meta { display: flex; align-items: center; gap: 10px; padding: 8px 0 2px; }
.turn-meta details > summary { cursor: pointer; list-style: none; color: var(--fg-faint); font-size: 12px; transition: color var(--t-fast); }
.turn-meta details > summary::-webkit-details-marker { display: none; }
.turn-meta details > summary:hover { color: var(--fg-dim); }
/* the actions take a row only under messages that have text to act on */
.msg-actions { display: flex; gap: 2px; padding-top: 4px; margin-left: -7px; opacity: 0; transition: opacity var(--t) var(--ease); }
.msg.user .msg-actions { margin: 0 -7px 0 0; }
.msg:hover .msg-actions, .msg-actions:focus-within { opacity: 1; }
.act {
  width: 30px; height: 28px; border-radius: 8px; color: var(--fg-faint);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--t-fast), color var(--t-fast), transform 90ms var(--ease);
}
.act svg.i { width: 16px; height: 16px; }
.act:hover { background: var(--bg-hover); color: var(--fg); }
.act:active { transform: scale(.94); }

/* --- process block: a run of thinking and tool calls, folded to one line --- */
.proc { margin: 10px 0 0; }
.proc-sum {
  display: inline-flex; align-items: center; gap: 7px; max-width: 100%; height: 28px;
  margin-left: -7px; padding: 0 10px 0 6px; border-radius: 8px;
  cursor: pointer; list-style: none; color: var(--fg-faint); font-size: 13px; user-select: none;
  transition: background var(--t-fast), color var(--t-fast);
}
.proc-sum::-webkit-details-marker { display: none; }
.proc-sum:hover { background: var(--bg-hover); color: var(--fg-dim); }
.proc-chev { width: 14px; height: 14px; transform: rotate(-90deg); transition: transform var(--t) var(--ease); }
.proc[open] > .proc-sum .proc-chev { transform: none; }
.proc-lbl { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proc-meta { flex: 0 0 auto; color: var(--fg-quat); font-size: 12px; white-space: nowrap; }
.proc-meta:empty { display: none; }
/* the running block's label shimmers instead of spinning */
.proc.run .proc-lbl {
  background: linear-gradient(90deg, var(--fg-faint) 0%, var(--fg) 45%, var(--fg-faint) 90%);
  background-size: 220% 100%; -webkit-background-clip: text; background-clip: text;
  color: transparent; animation: shimmer 1.8s linear infinite;
}

/* the timeline: one hairline, one dot per entry */
.tl { position: relative; margin: 2px 0 0; padding: 2px 0 2px 20px; animation: fade-in var(--t) var(--ease) both; }
.tl::before {
  content: ""; position: absolute; left: 4px; top: 14px; bottom: 14px; width: 1px;
  background: var(--line);
}
.tl-item { position: relative; animation: fade-up var(--t) var(--ease) both; }
.tl-item > summary {
  display: flex; align-items: center; gap: 8px; min-height: 28px; padding: 2px 0;
  cursor: pointer; list-style: none; font-size: 13px; color: var(--fg-dim);
  transition: color var(--t-fast);
}
.tl-item > summary::-webkit-details-marker { display: none; }
.tl-item > summary:hover { color: var(--fg); }
.tl-dot {
  position: absolute; left: -20px; top: 9px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 1.5px solid var(--line-strong);
}
.tl-item.think .tl-dot { border-color: color-mix(in srgb, var(--violet) 75%, transparent); }
.tl-name { flex: 0 0 auto; font-size: 12.5px; color: var(--fg-dim); }
.tl-prev {
  flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--fg-faint); font-size: 12.5px;
}
.tl-item.think[open] .tl-prev { visibility: hidden; }
.think-text {
  color: var(--fg-dim); font-size: 13px; line-height: 1.65; white-space: pre-wrap; word-break: break-word;
  padding: 2px 0 8px; animation: fade-in var(--t) var(--ease) both;
}

/* tool calls: one line each, open for arguments and output */
.step-line .name { flex: 0 0 auto; font-family: var(--mono); font-size: 12.5px; color: var(--fg); }
.step-line .args { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; color: var(--fg-faint); }
.step-line .phase { flex: 0 0 auto; font-size: 11.5px; color: var(--fg-faint); white-space: nowrap; }
.step-line.run .phase { color: var(--warn); }
.step-line.run .tl-dot { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 30%, var(--bg)); animation: pulse 1.1s var(--ease) infinite; }
.step-line.done .tl-dot { border-color: var(--accent-line); background: var(--accent-weak); }
.step-line.bad .tl-dot { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 20%, var(--bg)); }
.step-line.bad .phase, .step-line.bad .name { color: var(--danger); }
/* a sub-agent's latest steps, next to its task */
.step-line .step-detail {
  flex: 0 1 40%; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--mono); font-size: 11.5px; color: var(--fg-faint);
}
.step-line.done .step-detail { display: none; }
/* "[cst] plan mode is now ON" and other engine notes in the history */
.note-line {
  padding: 8px 0 2px; font-size: 12px; color: var(--fg-faint);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.note-line::before { content: "· "; }
.step-body { padding: 0 0 6px; animation: fade-in var(--t) var(--ease) both; }
.step-out, .step-args-full {
  font-family: var(--mono); font-size: 12px; background: var(--bg-code);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px;
  margin: 4px 0 0; max-height: 300px; overflow: auto; white-space: pre-wrap; word-break: break-word;
}

#to-bottom {
  position: absolute; right: 26px; bottom: 172px; z-index: 5;
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-lift); border: 1px solid var(--line-strong); color: var(--fg-dim);
  box-shadow: var(--shadow-sm); font-size: 16px;
  animation: fade-in var(--t) var(--ease) both;
  transition: color var(--t-fast), transform 90ms var(--ease), background var(--t-fast);
}
#to-bottom:hover { color: var(--fg); background: var(--bg-hover); }
#to-bottom:active { transform: scale(.94); }

/* --- composer ------------------------------------------------------------- */
#composer { padding: 8px 20px 12px; }
#composer > * { max-width: var(--content); margin: 0 auto; }
.pending { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 6px 0 10px; }
.pending .chip { background: var(--bg-soft); border-color: var(--line); }
/* images waiting for the next prompt, the way they will look once sent */
.pend-thumb { position: relative; width: 56px; height: 56px; flex: 0 0 auto; animation: rise var(--t) var(--ease) both; }
.pend-thumb img {
  display: block; width: 100%; height: 100%; object-fit: cover; cursor: zoom-in;
  border-radius: 12px; border: 1px solid var(--line);
}
.pend-x {
  position: absolute; top: -7px; right: -7px; width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--main-surface-tertiary); border: 1px solid var(--line-strong); color: var(--fg-dim);
  opacity: 0; transition: opacity var(--t-fast), color var(--t-fast);
}
.pend-x svg.i { width: 12px; height: 12px; stroke-width: 2.2; }
.pend-thumb:hover .pend-x, .pend-x:focus-visible { opacity: 1; }
.pend-x:hover { color: var(--fg); }
.edit-bar {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px; margin-bottom: 8px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--bg-soft);
  color: var(--fg-dim); font-size: 12.5px;
}
.edit-bar[hidden] { display: none; }
.msg.user .msg-actions { justify-content: flex-end; padding-left: 0; }
.sess-search {
  width: calc(100% - 8px); margin: 0 4px 8px; height: 30px; padding: 0 10px;
  border-radius: 9px; border: 1px solid var(--line); background: var(--bg-soft);
  color: var(--fg); font-size: 13px;
}
.sess-item { cursor: pointer; }
#modal-box .sess-list { max-height: min(56vh, 520px); overflow-y: auto; margin: 4px 0 10px; }
#modal-box .sess button { flex: 0 0 auto; }
.sess-item .more {
  flex: 0 0 auto; align-self: center; width: 22px; height: 22px; border-radius: 6px;
  display: grid; place-items: center; color: var(--fg-faint); opacity: 0;
  transition: opacity var(--t-fast), background var(--t-fast);
}
.sess-item:hover .more, .sess-item .more:focus-visible { opacity: 1; }
.sess-item .more:hover { background: var(--bg-hover); color: var(--fg); }
.sess-item .more .i { width: 16px; height: 16px; }
#modal-box .sess button.danger { color: var(--danger, #e5484d); }
button.fstat { width: 100%; text-align: left; border-radius: 7px; transition: background var(--t-fast); }
button.fstat:hover { background: var(--bg-hover); }
.danger-text { color: var(--danger); }
#modal-box.wide { width: min(980px, 100%); }
#modal-box h4.sub { margin: 16px 0 6px; font-size: 13px; color: var(--fg-dim); font-weight: 650; }
#modal-box .field select, #modal-box .field input[type=number] {
  flex: 1 1 auto; min-width: 150px; background: var(--bg-lift); color: var(--fg);
  border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; outline: none;
}
#modal-box .field > span { width: 84px; }
#modal-box .checks { display: flex; flex-wrap: wrap; gap: 14px; }
#modal-box .check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; }
#modal-box .tool-list { max-height: 34vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; padding: 4px; }
#modal-box .tool-row {
  display: flex; align-items: center; gap: 8px; padding: 5px 6px; border-radius: 7px;
  font-size: 12.5px; cursor: pointer;
}
#modal-box .tool-row:hover { background: var(--bg-hover); }
#modal-box .tool-row.dim code { opacity: .55; }
#modal-box .tool-row code { font-family: var(--mono); font-size: 12px; flex: 0 0 auto; }
#modal-box .tool-row .perm { flex: 0 0 auto; color: var(--fg-faint); font-size: 11px; border: 1px solid var(--line); border-radius: 6px; padding: 0 5px; }
#modal-box .tool-row .desc { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--fg-dim); }
#modal-box .diff-files { display: flex; flex-direction: column; gap: 1px; max-height: 24vh; overflow-y: auto; margin-bottom: 10px; }
#modal-box .diff-file {
  display: flex; gap: 10px; align-items: center; text-align: left; padding: 5px 8px;
  border-radius: 7px; font-size: 12.5px;
}
#modal-box .diff-file:hover { background: var(--bg-hover); }
#modal-box .diff-file.on { background: var(--accent-weak); }
#modal-box .diff-file .st { flex: 0 0 52px; color: var(--fg-faint); font-size: 11.5px; }
#modal-box .diff-file .p { font-family: var(--mono); overflow-wrap: anywhere; }
pre.diff {
  margin: 0; padding: 10px 0; max-height: 52vh; overflow: auto; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; line-height: 1.5;
}
pre.diff span { display: block; padding: 0 12px; white-space: pre; min-height: 1.5em; }
pre.diff .add { color: var(--text-success); background: color-mix(in srgb, var(--text-success) 10%, transparent); }
pre.diff .del { color: var(--text-error); background: color-mix(in srgb, var(--text-error) 10%, transparent); }
pre.diff .hunk { color: var(--accent); }
pre.diff .h { color: var(--fg-faint); font-weight: 600; }

.box {
  border: 1px solid var(--border-medium); border-radius: var(--radius-lg);
  background: var(--composer-surface-primary); padding: 11px 13px 9px;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.box:hover { border-color: var(--border-heavy); }
.box:focus-within {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px var(--accent-weak);
}
.box textarea {
  width: 100%; border: 0; background: none; resize: none; outline: none;
  max-height: 240px; min-height: 26px; padding: 2px 2px 8px;
  caret-color: var(--accent);
}
.box textarea::placeholder { color: var(--fg-faint); }
.box-row { display: flex; align-items: center; gap: 6px; }
.att { border: 1px solid var(--line); font-size: 17px; line-height: 1; }
.cost { color: var(--fg-faint); font-size: 12px; padding: 0 4px; white-space: nowrap; }
.cost:hover { color: var(--fg-dim); }
.send {
  width: 36px; height: 36px; flex: 0 0 auto; font-size: 17px; font-weight: 800;
  background: var(--accent); color: var(--accent-fg);
  transition: filter var(--t-fast), transform 90ms var(--ease), opacity var(--t-fast);
}
.send:hover { filter: brightness(1.08); }
.send:active { transform: scale(.94); }
.send:disabled { opacity: .38; }
.icon.stop { border: 1px solid var(--line); font-size: 12px; }
.hint-line { display: flex; align-items: center; gap: 10px; padding: 7px 6px 0; font-size: 12px; color: var(--fg-faint); }

/* permission gate: inline, the turn really is waiting on it */
.gate {
  border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent);
  border-radius: var(--radius); padding: 11px 13px; margin-bottom: 10px;
  background: color-mix(in srgb, var(--warn) 7%, var(--bg-soft));
  animation: rise var(--t) var(--ease) both;
}
.gate-head { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 14px; }
.gate-timer { color: var(--warn); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.gate pre {
  margin: 8px 0 0; background: var(--bg-code); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 11px; max-height: 180px; overflow: auto;
  font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; word-break: break-word;
}
.gate-keys { padding: 8px 0 2px; color: var(--fg-dim); font-size: 12.5px; }
.gate-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.gate-row button {
  height: 34px; padding: 0 14px; border-radius: 10px; font-weight: 600;
  border: 1px solid var(--line-strong); background: var(--bg-lift);
  transition: filter var(--t-fast), transform 90ms var(--ease), background var(--t-fast);
}
.gate-row button.ok { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.gate-row button.danger { color: var(--danger); }
.gate-row button:hover { filter: brightness(1.12); }
.gate-row button:active { transform: scale(.97); }

/* --- popovers: anchored, animated, and the only place settings live ------- */
.pop {
  position: fixed; z-index: 45; min-width: 236px; max-width: 320px;
  background: var(--main-surface-tertiary); border: 1px solid var(--border-medium);
  border-radius: 14px; padding: 6px; box-shadow: var(--shadow);
  animation: pop-in 160ms var(--ease) both;
}
.pop-item {
  display: flex; align-items: flex-start; gap: 10px; width: 100%;
  padding: 9px 10px; border-radius: 10px; text-align: left;
  transition: background var(--t-fast);
}
.pop-item:hover { background: var(--bg-hover); }
.pop-item .pi { width: 18px; flex: 0 0 auto; text-align: center; color: var(--fg-dim); font-size: 14px; line-height: 1.4; }
/* title over description: two lines, never one run-on line */
.pop-item .pm { min-width: 0; flex: 1 1 auto; display: flex; flex-direction: column; gap: 2px; }
.pop-item .pt { font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.pop-item .pd { font-size: 11.5px; color: var(--fg-faint); line-height: 1.4; }
.pop-item .pk { flex: 0 0 auto; color: var(--accent); font-size: 13px; }
.pop-item.on { background: var(--accent-weak); }
.pop-item.on .pi, .pop-item.on .pt { color: var(--accent); }
.pop-item.danger .pi, .pop-item.danger .pt { color: var(--danger); }
.pop-sep { height: 1px; background: var(--line); margin: 5px 4px; }
.pop-title { padding: 8px 10px 4px; color: var(--fg-faint); font-size: 11.5px; font-weight: 600; letter-spacing: .4px; }
.pop-input { display: flex; gap: 6px; padding: 4px 6px 6px; }
.pop-input input {
  flex: 1 1 auto; min-width: 0; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 9px; padding: 7px 9px; outline: none; font-size: 13px;
  caret-color: var(--accent);
  transition: border-color var(--t-fast);
}
.pop-input input:focus { border-color: var(--accent-line); }
.pop-input button {
  height: 32px; padding: 0 12px; border-radius: 9px; font-weight: 600; font-size: 13px;
  background: var(--accent); color: var(--accent-fg);
  transition: filter var(--t-fast), transform 90ms var(--ease);
}
.pop-input button:active { transform: scale(.96); }
.kv { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 5px 10px; font-size: 13px; }
.kv span { color: var(--fg-dim); }
.kv b { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 0; overflow-wrap: anywhere; text-align: right; }
.pop { max-height: calc(100vh - 16px); overflow-y: auto; }
.pop:has(.pop-list) { min-width: min(360px, 94vw); max-width: min(440px, 94vw); }
.pop-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.pop-list { max-height: min(46vh, 420px); overflow-y: auto; }
.pop-list .pop-item .pt { overflow-wrap: anywhere; font-family: var(--mono); font-size: 12.5px; }
.pop-empty { padding: 10px; color: var(--fg-faint); font-size: 12.5px; }
.pop-note { padding: 2px 10px 6px; color: var(--fg-faint); font-size: 11.5px; line-height: 1.45; }
.pop-note:empty { display: none; }
.pop-note.bad { color: var(--danger); }
.pop-note.warn { color: var(--warn); }
.pop-item.dim { opacity: .55; }
button.link { color: var(--link); padding: 0 4px; font-size: inherit; text-decoration: underline; }
.ok-text { color: var(--text-success); }
.warn-text { color: var(--warn); }

/* providers and the key dialog */
#modal-box .prov {
  display: flex; align-items: center; gap: 10px; padding: 9px 8px;
  border-bottom: 1px solid var(--line); border-radius: 8px;
}
#modal-box .prov.on { background: var(--accent-weak); }
#modal-box .prov .pm { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
#modal-box .prov .pm span { overflow-wrap: anywhere; }
#modal-box .prov-acts button {
  height: 30px; padding: 0 12px; border-radius: 9px; font-weight: 600; font-size: 13px;
  border: 1px solid var(--line-strong); background: var(--bg-lift); white-space: nowrap;
}
#modal-box .prov-acts button.ok { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
#modal-box .key-input {
  width: 100%; margin-top: 12px; background: var(--bg-lift); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 11px; outline: none; font-family: var(--mono);
}
#modal-box .key-input:focus { border-color: var(--accent-line); }
#modal-box .key-err { min-height: 18px; margin-top: 6px; color: var(--danger); font-size: 12.5px; }

/* one line of feedback for anything that failed or needs a look */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60;
  max-width: min(560px, 92vw); padding: 10px 14px; border-radius: 12px;
  background: var(--main-surface-tertiary); border: 1px solid var(--border-medium);
  box-shadow: var(--shadow); font-size: 13px; line-height: 1.45; overflow-wrap: anywhere;
  animation: fade-up 160ms var(--ease) both;
}
.toast.err { border-color: color-mix(in srgb, var(--danger) 55%, transparent); color: var(--danger); }
.toast.warn { border-color: color-mix(in srgb, var(--warn) 55%, transparent); color: var(--warn); }
.toast.ok { border-color: var(--accent-line); color: var(--accent); }
.toast[hidden] { display: none; }

/* --- right panel ---------------------------------------------------------- */
/* the right panel mirrors the rail: fixed-width contents, clipped by the track,
 * so folding it in and out is one eased movement on each side */
#panel { background: var(--main-surface-secondary); border-left: 1px solid var(--border-light); min-width: 0; overflow: hidden; }
.panel-inner {
  width: var(--panel); height: 100%; overflow-y: auto; padding: 12px;
  transition: transform 300ms var(--ease-pop), opacity 200ms var(--ease);
}
body.no-panel .panel-inner { transform: translateX(18px); opacity: 0; }
body.no-panel #panel { pointer-events: none; }
.panel-head {
  display: flex; align-items: center; gap: 6px; padding: 2px 4px 10px;
  color: var(--fg-faint); font-size: 11px; font-weight: 600;
  letter-spacing: .7px; text-transform: uppercase;
}
.card { border-top: 1px solid var(--line); padding: 12px 2px; }
.card:first-of-type { border-top: 0; }
.card h4 { margin: 0 0 8px; font-size: 12.5px; font-weight: 650; display: flex; align-items: center; gap: 6px; }
.card .kv { padding: 3px 0; }
.todo-list { margin: 0; padding: 0; list-style: none; font-size: 13.5px; }
.todo-list li { display: flex; gap: 8px; padding: 3px 0; animation: fade-in var(--t) var(--ease) both; transition: color var(--t-fast); }
.todo-list .boxmark { color: var(--fg-faint); }
.todo-list li.done { color: var(--fg-faint); text-decoration: line-through; }
.todo-list li.doing { color: var(--fg); font-weight: 600; }
/* --- modal sheet (session list) ------------------------------------------- */
#modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 40;
  display: flex; align-items: center; justify-content: center; padding: 16px;
  animation: fade-in var(--t) var(--ease) both;
}
#modal-box {
  width: min(560px, 100%); max-height: 82vh; overflow-y: auto;
  background: var(--main-surface-tertiary); border: 1px solid var(--border-medium);
  border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow);
  animation: pop-in 180ms var(--ease) both;
}
#modal-box h3 { margin: 0 0 12px; font-size: 17px; }
#modal-box .field { display: flex; align-items: center; gap: 8px; margin: 9px 0; flex-wrap: wrap; }
#modal-box .field > span { width: 70px; color: var(--fg-dim); font-size: 13px; }
#modal-box .field input {
  flex: 1 1 auto; min-width: 150px; background: var(--bg-lift);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; outline: none;
}
#modal-box .buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
#modal-box .buttons button {
  height: 34px; padding: 0 14px; border-radius: 10px; font-weight: 600;
  border: 1px solid var(--line-strong); background: var(--bg-lift);
  transition: filter var(--t-fast), transform 90ms var(--ease);
}
#modal-box .buttons button:active { transform: scale(.97); }
#modal-box .buttons button.ok { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
#modal-box .buttons button.danger { color: var(--danger); }
#modal-box .sess {
  display: flex; align-items: center; gap: 8px; padding: 8px 6px;
  border-bottom: 1px solid var(--line); border-radius: 8px;
  transition: background var(--t-fast);
}
#modal-box .sess:hover { background: var(--bg-hover); }
#modal-box .sess .id { font-family: var(--mono); font-size: 11.5px; color: var(--fg-faint); }
#modal-box .sess .t { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13.5px; }

/* --- commands: the list over the composer, the palette, the help sheet ---- */
#composer { position: relative; }
.slash {
  position: absolute; left: 20px; right: 20px; bottom: calc(100% - 6px); z-index: 20;
  max-height: min(46vh, 360px); overflow-y: auto; padding: 5px;
  background: var(--main-surface-tertiary); border: 1px solid var(--border-medium);
  border-radius: 14px; box-shadow: var(--shadow); animation: pop-in 140ms var(--ease) both;
}
.slash[hidden] { display: none; }
.slash-item, .palette-item {
  display: flex; align-items: baseline; gap: 10px; width: 100%; padding: 7px 10px;
  border-radius: 9px; text-align: left; font-size: 13px;
}
.slash-item.on, .palette-item.on { background: var(--accent-weak); }
.slash-item:hover, .palette-item:hover { background: var(--bg-hover); }
.slash-item code, .palette-item code { font-family: var(--mono); font-size: 12.5px; color: var(--fg); flex: 0 0 auto; }
.slash-item.on code, .palette-item.on code { color: var(--accent); }
.slash-item .hint { font-family: var(--mono); font-size: 11.5px; color: var(--fg-faint); flex: 0 0 auto; }
.slash-item .desc, .palette-item .desc {
  flex: 1 1 auto; min-width: 0; color: var(--fg-dim); font-size: 12.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#modal-box .palette-list { max-height: min(52vh, 460px); overflow-y: auto; margin-top: 8px; }
kbd {
  font-family: var(--mono); font-size: 11px; color: var(--fg-dim); white-space: nowrap;
  border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px;
  background: var(--bg-soft);
}
.palette-item kbd { flex: 0 0 auto; }
#modal-box .keys-grid {
  display: grid; grid-template-columns: max-content 1fr; gap: 7px 14px; align-items: baseline;
  font-size: 13px;
}
#modal-box .keys-grid kbd { justify-self: start; }
#modal-box .keys-grid.cmds code { font-family: var(--mono); font-size: 12.5px; }
#modal-box .keys-grid span { color: var(--fg-dim); }
#modal-box .ext-list { display: flex; flex-direction: column; gap: 2px; }
#modal-box .ext-row {
  display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: 8px;
  border-bottom: 1px solid var(--line);
}
#modal-box .ext-row .pm { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
#modal-box .ext-row .pm > div:last-child:not(.ext-title) { overflow-wrap: anywhere; }
#modal-box .ext-title { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-size: 13.5px; }
#modal-box .ext-badge {
  font-size: 11px; border: 1px solid var(--line-strong); border-radius: 6px; padding: 0 6px; color: var(--fg-dim);
}
#modal-box .ext-badge.ok { color: var(--accent); border-color: var(--accent-line); }
#modal-box .ext-badge.bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
#modal-box .ext-row > button {
  flex: 0 0 auto; height: 30px; padding: 0 12px; border-radius: 9px; font-weight: 600; font-size: 13px;
  border: 1px solid var(--line-strong); background: var(--bg-lift); white-space: nowrap;
}

/* --- narrow screens: rail and panel become drawers ------------------------ */
#backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 30; display: none; animation: fade-in var(--t) var(--ease) both; }
body.drawer-open #backdrop { display: block; }
@media (max-width: 900px) {
  #app { grid-template-columns: minmax(0, 1fr) !important; transition: none; }
  #side, #panel {
    position: fixed; top: 0; bottom: 0; width: min(310px, 86vw); z-index: 31;
    display: block; transition: transform 260ms var(--ease-pop);
  }
  .side-inner { width: auto; transform: none !important; opacity: 1 !important; }
  #side { overflow: visible; pointer-events: auto; }
  #side { left: 0; transform: translateX(-102%); }
  #panel { right: 0; transform: translateX(102%); }
  body.side-open #side, body.panel-open #panel { transform: none; }
  .only-narrow { display: inline-flex; }
  #to-bottom { bottom: 150px; right: 16px; }
  .msg.user .body { max-width: 88%; }
  .attach-strip .thumb { width: 120px; height: 120px; }
  #lightbox { padding: 56px 12px; }
}
@media (max-width: 560px) {
  #chip-approval .lbl { display: none; }
  .seg button { padding: 0 9px; }
}
@media (min-width: 901px) { #backdrop { display: none !important; } }
/* touch screens have no hover: the actions stay visible */
@media (hover: none) {
  .msg-actions, .pend-x { opacity: 1; }
}

/* --- lightbox ------------------------------------------------------------- */
#lightbox {
  position: fixed; inset: 0; z-index: 70; padding: 56px 72px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, .84); animation: fade-in var(--t) var(--ease) both;
}
#lb-img {
  max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5); animation: pop-in 180ms var(--ease) both;
}
.lb-btn {
  position: absolute; width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .1); color: #fff;
  transition: background var(--t-fast), transform 90ms var(--ease);
}
.lb-btn:hover { background: rgba(255, 255, 255, .2); }
#lb-close { top: 14px; right: 14px; }
#lb-prev { left: 14px; top: calc(50% - 20px); }
#lb-next { right: 14px; top: calc(50% - 20px); }
#lb-count {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, .75); font-size: 13px; font-variant-numeric: tabular-nums;
}

/* --- motion --------------------------------------------------------------- */
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes rise { from { opacity: 0; transform: translateY(10px) scale(.99); } to { opacity: 1; transform: none; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(-4px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0%, 100% { opacity: .3; transform: scale(.85); } 50% { opacity: 1; transform: scale(1); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -120% 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
  #scroll { scroll-behavior: auto; }
}