/* Beam — restrained, Apple-like, tool-focused (Cerebro-inspired).
   Token-based: HSL channels are the source of truth; a light theme just
   re-points the channels. Layout/geometry is unchanged from prior versions. */
:root {
  /* channels (H S% L%) — enable alpha compositing via hsl(var(--c-x) / a) */
  --c-bg: 240 6% 7%;
  --c-primary: 213 55% 66%;
  --c-primary-2: 213 62% 73%;
  --c-good: 150 46% 55%;
  --c-warn: 40 82% 62%;
  --c-bad: 0 68% 63%;
  --c-border: 240 5% 17%;

  /* solid aliases (keep prior variable names so components need no changes) */
  --bg: hsl(var(--c-bg));
  --surface: hsl(240 5% 9%);
  --card: hsl(240 5% 11.5%);
  --card-2: hsl(240 4% 15%);
  --border: hsl(var(--c-border));
  --text: hsl(30 8% 91%);
  --dim: hsl(240 5% 57%);
  --faint: hsl(240 5% 43%);
  --accent: hsl(var(--c-primary));
  --accent-2: hsl(var(--c-primary-2));
  --good: hsl(var(--c-good));
  --warn: hsl(var(--c-warn));
  --bad: hsl(var(--c-bad));
  --claude: hsl(20 70% 61%);
  --codex: hsl(168 52% 48%);
  --code-bg: hsl(240 7% 8.5%);
  --primary-fg: hsl(222 42% 11%);

  --ease: cubic-bezier(.16, 1, .3, 1);
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --tabbar-h: 58px;
}

html.theme-light {
  --c-bg: 220 24% 99%;
  --c-primary: 214 84% 47%;
  --c-primary-2: 210 78% 55%;
  --c-good: 150 52% 37%;
  --c-warn: 35 88% 44%;
  --c-bad: 0 70% 51%;
  --c-border: 220 14% 88%;
  --surface: hsl(220 22% 97%);
  --card: hsl(0 0% 100%);
  --card-2: hsl(220 16% 95%);
  --text: hsl(220 16% 15%);
  --dim: hsl(220 8% 45%);
  --faint: hsl(220 10% 62%);
  --claude: hsl(18 74% 47%);
  --codex: hsl(168 60% 33%);
  --code-bg: hsl(220 22% 96.5%);
  --primary-fg: hsl(0 0% 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
button, .list-item, .chip, .tabbar { touch-action: manipulation; -webkit-user-select: none; user-select: none; }
.ic-svg { display: inline-block; vertical-align: -3px; flex: none; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;
  overscroll-behavior-y: none;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0;
}
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--text); }
a { color: var(--accent); text-decoration: none; }
::selection { background: hsl(var(--c-primary) / .24); color: var(--text); }

#app { min-height: 100dvh; }
.screen { max-width: 780px; margin: 0 auto; padding: calc(var(--sat) + 10px) 14px calc(var(--tabbar-h) + var(--sab) + 24px); }
.screen.no-tabs { padding-bottom: calc(var(--sab) + 24px); }

/* native-feel screen entrance */
.screen, .chat-wrap { animation: screen-in .2s var(--ease); }
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } }

/* home */
.home-title { font-size: 30px; font-weight: 750; letter-spacing: -.028em; }
.dev-tag { font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 1.5px 6px; border-radius: 6px; background: var(--card-2); border: 1px solid var(--border); color: var(--dim); flex: none; }
.dev-chip-strip { display: flex; gap: 8px; margin-bottom: 14px; overflow-x: auto; }
.dev-chip { display: flex; align-items: center; gap: 7px; padding: 9px 13px; border-radius: 11px; background: var(--card); border: 1px solid var(--border); font-size: 13px; font-weight: 650; flex: none; }
.dev-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.dev-chip .dot.on { background: var(--good); }
.dev-chip .dot.off { background: var(--bad); }
.today-line { font-size: 12.5px; color: var(--dim); font-weight: 550; margin: 2px 2px 14px; }
.today-line b { color: var(--text); font-weight: 700; }

/* header */
.hdr { display: flex; align-items: center; gap: 10px; padding: 6px 0 14px; position: sticky; top: 0; z-index: 20; background: linear-gradient(var(--bg) 82%, transparent); }
.hdr h1 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hdr .sub { font-size: 12px; color: var(--dim); font-weight: 500; }
.dev-switch { display: inline-flex; align-items: center; gap: 3px; cursor: pointer; }
.dev-switch .ic-svg { color: var(--accent); opacity: .9; }
h1.dev-switch { display: inline-flex; }
.back-btn { width: 34px; height: 34px; border-radius: 9px; background: var(--card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 17px; flex: none; transition: background-color .14s var(--ease); }
.back-btn:active, .icon-btn:active { background: var(--card-2); }
.icon-btn { width: 34px; height: 34px; border-radius: 9px; background: var(--card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 15px; flex: none; color: var(--dim); transition: background-color .14s var(--ease), color .14s var(--ease); }
/* app mark — flat primary tile, no decorative shine */
.logo-dot { width: 30px; height: 30px; border-radius: 8px; background: hsl(var(--c-primary)); flex: none; position: relative; overflow: hidden; box-shadow: inset 0 1px 0 hsl(0 0% 100% / .18), inset 0 -6px 12px hsl(var(--c-primary) / .5); }
.logo-dot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(150deg, hsl(0 0% 100% / .14), transparent 55%); }

/* cards & lists */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px; margin-bottom: 10px; }
.card h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); margin-bottom: 10px; font-weight: 650; }
.row { display: flex; align-items: center; gap: 10px; }
.row .grow { flex: 1; min-width: 0; }
.list-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 8px; width: 100%; text-align: left; transition: background-color .14s var(--ease); }
.list-item:active { background: var(--card-2); }
.list-item .title { font-weight: 550; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-item .meta { font-size: 12px; color: var(--dim); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-item .grow { flex: 1; min-width: 0; }

.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 650; padding: 3px 9px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--border); color: var(--dim); white-space: nowrap; }
.pill.good { color: var(--good); border-color: hsl(var(--c-good) / .35); }
.pill.warn { color: var(--warn); border-color: hsl(var(--c-warn) / .4); }
.pill.bad { color: var(--bad); border-color: hsl(var(--c-bad) / .4); }
.pill.accent { color: var(--accent); border-color: hsl(var(--c-primary) / .45); background: hsl(var(--c-primary) / .1); }

.engine-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.engine-dot.claude { background: var(--claude); }
.engine-dot.codex { background: var(--codex); }

.status-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.status-dot.running { background: var(--good); animation: pulse 1.4s ease-in-out infinite; }
.status-dot.waiting-permission { background: var(--warn); animation: pulse .8s ease-in-out infinite; }
.status-dot.waiting-input { background: var(--accent); }
.status-dot.idle { background: var(--faint); }
.status-dot.error { background: var(--bad); }
@keyframes pulse { 50% { opacity: .35; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 11px; font-weight: 600; font-size: 15px; background: var(--card-2); border: 1px solid var(--border); transition: background-color .14s var(--ease), filter .14s var(--ease); }
.btn:active { transform: scale(.985); }
.btn.primary { background: hsl(var(--c-primary)); border: none; color: var(--primary-fg); box-shadow: 0 1px 1px hsl(0 0% 0% / .08), 0 6px 16px -10px hsl(var(--c-primary) / .8); font-weight: 650; }
.btn.primary:active { filter: brightness(.96); }
.btn.small { padding: 8px 13px; font-size: 13px; border-radius: 9px; }
.btn.danger { color: var(--bad); border-color: hsl(var(--c-bad) / .35); }
.btn.good { color: var(--good); border-color: hsl(var(--c-good) / .4); }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* segmented */
.seg { display: flex; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 3px; margin-bottom: 12px; }
.seg button { flex: 1; padding: 8px 4px; border-radius: 7px; font-size: 13px; font-weight: 550; color: var(--dim); }
.seg button.on { background: var(--card-2); color: var(--text); box-shadow: 0 1px 3px hsl(0 0% 0% / .25); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 8px 13px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--border); font-size: 13px; font-weight: 550; color: var(--dim); }
.chip.on { color: var(--accent); border-color: hsl(var(--c-primary) / .4); background: hsl(var(--c-primary) / .12); }

/* tab bar */
.tabbar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 40; display: flex; background: hsl(var(--c-bg) / .82); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); border-top: 1px solid var(--border); padding-bottom: var(--sab); }
.tabbar button { position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 9px 0 7px; color: var(--faint); font-size: 10px; font-weight: 650; transition: color .14s var(--ease); }
.tabbar button.on { color: var(--accent); }
.tabbar .t-ic { font-size: 20px; line-height: 1; }
.tabbar button .badge { position: absolute; top: 4px; left: 50%; margin-left: 4px; min-width: 16px; height: 16px; border-radius: 8px; background: var(--warn); color: #1a1200; font-size: 10px; font-weight: 800; display: flex; align-items: center; justify-content: center; padding: 0 4px; box-shadow: 0 0 0 2px var(--bg); }

/* chat — fixed viewport layout: header/composer stay put, only the body
   scrolls, so the iOS keyboard can't glitch the page scroll */
html.chat-mode, html.chat-mode body { overflow: hidden; height: 100%; overscroll-behavior: none; }
.chat-wrap { display: flex; flex-direction: column; height: 100dvh; max-width: 780px; margin: 0 auto; }
.chat-hdr { flex: none; z-index: 30; background: hsl(var(--c-bg) / .9); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); padding: calc(var(--sat) + 8px) 12px 8px; border-bottom: 1px solid var(--border); }
.chat-body { flex: 1; min-height: 0; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; padding: 14px 12px 10px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 88%; border-radius: 14px; padding: 10px 13px; font-size: 15px; word-wrap: break-word; overflow-wrap: break-word; }
.msg.user { align-self: flex-end; background: hsl(var(--c-primary) / .14); color: var(--text); border: 1px solid hsl(var(--c-primary) / .24); border-bottom-right-radius: 5px; }
.msg.ai { align-self: flex-start; background: var(--card); border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.msg.ai.streaming::after { content: "▊"; color: var(--accent); animation: pulse .9s infinite; }
.msg.ai.pending { display: flex; gap: 4px; padding: 14px 16px; align-items: center; }
.msg.ai.pending .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); animation: typing-bounce 1.1s ease-in-out infinite; }
.msg.ai.pending .dot:nth-child(2) { animation-delay: .15s; }
.msg.ai.pending .dot:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.msg p { margin: 0 0 8px; } .msg p:last-child { margin: 0; }
.msg pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 10px; overflow-x: auto; font: 12px/1.5 ui-monospace, "SF Mono", Menlo, monospace; margin: 8px 0; }
.msg code { font: .88em ui-monospace, "SF Mono", Menlo, monospace; background: hsl(var(--c-primary) / .12); border-radius: 5px; padding: 1px 5px; }
.msg pre code { background: none; padding: 0; }
.msg ul, .msg ol { padding-left: 20px; margin: 6px 0; }
.msg h1, .msg h2, .msg h3 { font-size: 1.02em; margin: 10px 0 6px; }

/* inline images (screenshots the agent shows) */
.chat-imgs { align-self: flex-start; display: flex; flex-wrap: wrap; gap: 8px; max-width: 95%; margin-top: 2px; }
.chat-img { max-width: 220px; max-height: 260px; width: auto; border-radius: 10px; border: 1px solid var(--border); cursor: pointer; object-fit: cover; background: var(--code-bg); }
.msg .chat-imgs { margin-top: 8px; }

.sysline { align-self: center; font-size: 12px; color: var(--faint); text-align: center; padding: 2px 10px; }
.sysline.err { color: var(--bad); }

.turn-stats { align-self: center; display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; padding: 2px 0 6px; }

/* tool cards */
.tool { align-self: flex-start; width: 100%; max-width: 95%; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.tool summary { display: flex; align-items: center; gap: 9px; padding: 9px 12px; cursor: pointer; list-style: none; }
.tool summary::-webkit-details-marker { display: none; }
.tool .t-name { font-size: 13px; font-weight: 650; flex: none; }
.tool .t-sub { font-size: 12px; color: var(--dim); font-family: ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.tool .t-status { font-size: 12px; flex: none; }
.tool .t-body { border-top: 1px solid var(--border); padding: 10px 12px; }
.tool .t-body pre { background: var(--code-bg); border-radius: 8px; padding: 9px; overflow-x: auto; font: 11.5px/1.5 ui-monospace, "SF Mono", Menlo, monospace; max-height: 300px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; }
.tool .t-body .lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); margin: 6px 0 4px; font-weight: 700; }

.think { align-self: flex-start; max-width: 92%; border-left: 3px solid var(--border); }
.think summary { font-size: 12px; color: var(--faint); padding: 2px 10px; cursor: pointer; list-style: none; }
.think summary::-webkit-details-marker { display: none; }
.think .tx { font-size: 12.5px; color: var(--dim); font-style: italic; padding: 4px 10px; white-space: pre-wrap; }

/* permission banner */
.perm { align-self: stretch; background: hsl(var(--c-warn) / .1); border: 1px solid hsl(var(--c-warn) / .42); border-radius: 13px; padding: 12px; }
.perm .p-title { font-weight: 700; font-size: 14px; display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.perm .p-detail { font: 12px/1.5 ui-monospace, "SF Mono", Menlo, monospace; color: var(--dim); background: var(--code-bg); border-radius: 9px; padding: 8px 10px; max-height: 130px; overflow: auto; margin-bottom: 10px; white-space: pre-wrap; word-break: break-word; }
.perm .p-actions { display: flex; gap: 8px; }
.perm .p-actions .btn { flex: 1; padding: 10px 6px; font-size: 13px; }

/* composer */
.composer { flex: none; z-index: 30; background: hsl(var(--c-bg) / .94); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-top: 1px solid var(--border); padding: 9px 10px calc(var(--sab) + 9px); display: flex; gap: 8px; align-items: flex-end; }
.attach-strip { flex: none; display: flex; gap: 8px; padding: 8px 12px 0; background: hsl(var(--c-bg) / .94); }
.attach-strip .thumb { position: relative; width: 54px; height: 54px; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.attach-strip .thumb img { width: 100%; height: 100%; object-fit: cover; }
.attach-strip .thumb button { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; border-radius: 50%; background: rgba(0,0,0,.7); color: #fff; font-size: 10px; display: flex; align-items: center; justify-content: center; }
.composer textarea { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: 13px; padding: 11px 13px; resize: none; max-height: 130px; min-height: 44px; outline: none; font-size: 15px; transition: border-color .14s var(--ease); }
.composer textarea:focus { border-color: hsl(var(--c-primary) / .7); box-shadow: 0 0 0 3px hsl(var(--c-primary) / .12); }
.c-btn { width: 44px; height: 44px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; font-size: 18px; background: var(--card-2); border: 1px solid var(--border); color: var(--dim); transition: background-color .14s var(--ease), filter .14s var(--ease); }
.c-btn.send { background: hsl(var(--c-primary)); border: none; color: var(--primary-fg); box-shadow: 0 1px 1px hsl(0 0% 0% / .1), 0 6px 16px -10px hsl(var(--c-primary) / .8); }
.c-btn.send:active { filter: brightness(.96); }
.c-btn.mic.rec { background: var(--bad); border: none; color: #fff; animation: pulse 1s infinite; }

/* new task */
.field { margin-bottom: 16px; }
.field .f-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); font-weight: 700; margin-bottom: 8px; }
.prompt-box { width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 13px; min-height: 120px; resize: vertical; outline: none; font-size: 15px; transition: border-color .14s var(--ease); }
.prompt-box:focus { border-color: hsl(var(--c-primary) / .7); box-shadow: 0 0 0 3px hsl(var(--c-primary) / .12); }
.input { width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; outline: none; font-size: 14px; transition: border-color .14s var(--ease); }
.input:focus { border-color: hsl(var(--c-primary) / .7); box-shadow: 0 0 0 3px hsl(var(--c-primary) / .12); }

/* terminal */
.term-screen { position: fixed; inset: 0; background: var(--code-bg); z-index: 60; display: flex; flex-direction: column; }
.term-hdr { display: flex; align-items: center; gap: 10px; padding: calc(var(--sat) + 8px) 12px 8px; border-bottom: 1px solid var(--border); background: var(--surface); }
.term-host { flex: 1; min-height: 0; padding: 6px 2px 2px 8px; }
.term-host .xterm { height: 100%; }
.keybar { display: flex; gap: 6px; padding: 7px 8px calc(var(--sab) + 7px); background: var(--surface); border-top: 1px solid var(--border); overflow-x: auto; }
.keybar button { flex: none; padding: 8px 13px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--border); font: 12px ui-monospace, "SF Mono", Menlo, monospace; font-weight: 650; color: var(--dim); }
.keybar button.on { color: var(--accent); border-color: hsl(var(--c-primary) / .6); }

/* usage bars */
.u-row { display: flex; align-items: center; gap: 9px; padding: 5px 0; }
.u-row.model { opacity: .85; }
.u-lbl { width: 84px; flex: none; font-size: 12px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.u-bar { flex: 1; height: 8px; border-radius: 5px; background: var(--card-2); overflow: hidden; }
.u-bar > div { height: 100%; border-radius: 5px; background: hsl(var(--c-primary)); min-width: 2px; }
.u-bar.codex > div { background: var(--codex); }
.u-val { flex: none; font-size: 11px; color: var(--dim); font-weight: 600; white-space: nowrap; }

/* stats */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat { background: var(--card-2); border-radius: 10px; padding: 11px; }
.stat .s-num { font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.stat .s-lbl { font-size: 11px; color: var(--dim); margin-top: 2px; font-weight: 550; }
.kv { display: flex; justify-content: space-between; font-size: 13.5px; padding: 6px 0; border-bottom: 1px solid hsl(var(--c-border) / .6); }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--dim); }
.kv .v { font-weight: 600; text-align: right; max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* diff */
.diff-view { font: 11.5px/1.55 ui-monospace, "SF Mono", Menlo, monospace; background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px; padding: 10px; overflow-x: auto; white-space: pre; }
.diff-view .add { color: var(--good); }
.diff-view .del { color: var(--bad); }
.diff-view .hunk { color: var(--accent); }
.diff-view .file { color: var(--warn); font-weight: 700; }

/* modal */
.modal-bg { position: fixed; inset: 0; background: hsl(240 10% 4% / .58); z-index: 70; display: flex; align-items: flex-end; justify-content: center; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 18px 18px 0 0; width: 100%; max-width: 780px; max-height: 86dvh; overflow-y: auto; padding: 18px 16px calc(var(--sab) + 18px); box-shadow: 0 -18px 48px -30px hsl(0 0% 0% / .6); }
.modal h2 { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.sheet-item { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; padding: 13px 8px; font-size: 15px; font-weight: 550; border-bottom: 1px solid hsl(var(--c-border) / .6); }
.sheet-item:last-child { border-bottom: none; }
.sheet-item .ic { width: 26px; text-align: center; }

/* toast */
#toast { position: fixed; bottom: calc(var(--tabbar-h) + var(--sab) + 14px); left: 50%; transform: translateX(-50%); z-index: 90; pointer-events: none; }
#toast .t { background: var(--card-2); border: 1px solid var(--border); color: var(--text); border-radius: 11px; padding: 10px 16px; font-size: 13.5px; font-weight: 600; box-shadow: 0 8px 30px hsl(0 0% 0% / .4); margin-top: 8px; animation: toast-in .18s var(--ease); max-width: 84vw; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* chat niceties */
.chat-wrap { position: relative; }
.scroll-fab { position: absolute; right: 14px; bottom: 92px; width: 40px; height: 40px; border-radius: 50%; background: var(--card-2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px hsl(0 0% 0% / .4); z-index: 25; color: var(--accent); }
.c-btn.send.stop { background: hsl(var(--c-bad)); color: #fff; box-shadow: 0 1px 1px hsl(0 0% 0% / .1), 0 6px 16px -10px hsl(var(--c-bad) / .75); }

/* press feedback everywhere */
.list-item:active, .card[role="button"]:active, .dev-chip:active { transform: scale(.985); }
.list-item, .dev-chip { transition: transform .09s var(--ease), background-color .14s var(--ease); }
.chip:active, .seg button:active { transform: scale(.96); }
.chip, .seg button { transition: transform .09s var(--ease), color .14s var(--ease), background-color .14s var(--ease); }

/* live-progress indicator on chat rows */
.list-item { position: relative; overflow: hidden; }
.work-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; overflow: hidden; }
.work-bar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, hsl(var(--c-primary)), transparent); background-size: 45% 100%; background-repeat: no-repeat; animation: work-slide 1.5s ease-in-out infinite; }
@keyframes work-slide { 0% { background-position: -60% 0; } 100% { background-position: 160% 0; } }
.stat-ic { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex: none; }
.stat-ic.turn { background: hsl(var(--c-primary) / .13); color: var(--accent); }
.stat-ic.perm { background: hsl(var(--c-warn) / .14); color: var(--warn); animation: pulse 1s infinite; }
.stat-ic.err { background: hsl(var(--c-bad) / .13); color: var(--bad); }
.stat-ic.work { background: hsl(var(--c-good) / .12); color: var(--good); }

/* files browser */
.crumbs { display: flex; gap: 4px; align-items: center; overflow-x: auto; padding: 2px 0 10px; white-space: nowrap; }
.crumbs button { color: var(--accent); font-size: 13.5px; font-weight: 550; padding: 4px 2px; flex: none; }
.crumbs .sep { color: var(--faint); flex: none; }
.file-viewer pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px; padding: 12px; overflow: auto; max-height: 60dvh; font: 11.5px/1.55 ui-monospace, "SF Mono", Menlo, monospace; white-space: pre-wrap; word-break: break-word; }
.file-viewer img { max-width: 100%; border-radius: 12px; border: 1px solid var(--border); }

/* notification banner */
.notif-banner { display: flex; align-items: center; gap: 10px; background: hsl(var(--c-primary) / .1); border: 1px solid hsl(var(--c-primary) / .34); border-radius: 12px; padding: 12px; margin-bottom: 12px; }

/* "needs you" attention banner (home) */
.attn-banner { display: flex; align-items: center; gap: 11px; width: 100%; text-align: left; background: hsl(var(--c-warn) / .12); border: 1px solid hsl(var(--c-warn) / .42); border-radius: 13px; padding: 13px; margin-bottom: 12px; color: var(--text); animation: attn-pulse 2.4s ease-in-out infinite; }
.attn-banner > .ic-svg:first-child { color: var(--warn); flex: none; }
.attn-banner b { font-size: 14.5px; }
.attn-banner .grow { line-height: 1.3; }
@keyframes attn-pulse { 50% { border-color: hsl(var(--c-warn) / .7); } }
.attn-banner:active { transform: scale(.99); }

/* section labels + search + skeletons */
.sec-label { display: flex; align-items: center; gap: 7px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); font-weight: 700; margin: 16px 2px 8px; }
.sec-label:first-child { margin-top: 2px; }
.search-box { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; margin-bottom: 12px; color: var(--dim); transition: border-color .14s var(--ease); }
.search-box:focus-within { border-color: hsl(var(--c-primary) / .55); }
.search-box input { flex: 1; background: none; border: none; outline: none; font-size: 15px; color: var(--text); }
.skel { border-radius: 12px; background: linear-gradient(100deg, var(--card) 40%, var(--card-2) 50%, var(--card) 60%); background-size: 200% 100%; animation: shimmer 1.3s infinite linear; height: 62px; margin-bottom: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.pin-ic { color: var(--warn); }
.list-item.pinned { background: hsl(var(--c-warn) / .06); border-color: hsl(var(--c-warn) / .3); }
.stale { opacity: .75; }

.empty { text-align: center; color: var(--faint); padding: 42px 20px; font-size: 14px; }
.empty .e-ic { font-size: 34px; margin-bottom: 10px; }
.spin { display: inline-block; width: 15px; height: 15px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: rot .9s linear infinite; }
@keyframes rot { to { transform: rotate(360deg); } }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.dimtx { color: var(--dim); font-size: 13px; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; } .mb8 { margin-bottom: 8px; }
.qr-box { background: #fff; border-radius: 16px; padding: 14px; display: flex; justify-content: center; }
.qr-box img, .qr-box canvas { max-width: 100%; }

@media (prefers-reduced-motion: reduce) {
  .screen, .chat-wrap, #toast .t { animation: none; }
  .work-bar::after, .skel { animation-duration: 2.4s; }
}