/* ───────────────────────── tokens ───────────────────────── */
:root {
  --bg:        #0b0d12;
  --bg-alt:    #0f1218;
  --panel:     #14181f;
  --panel-2:   #1a1f28;
  --line:      #262c38;
  --line-soft: #1d2230;
  --ink:       #e8ebf2;
  --ink-dim:   #a3acc0;
  --ink-faint: #6f7994;

  --coral:  #d97757;   /* you */
  --violet: #a78bfa;   /* the model */
  --cyan:   #56b6d8;   /* the harness */
  --green:  #62d2a2;   /* results, allow */
  --amber:  #eab464;   /* ask */
  --red:    #ef767a;   /* deny */

  --coral-soft:  rgba(217, 119, 87, .14);
  --violet-soft: rgba(167, 139, 250, .14);
  --cyan-soft:   rgba(86, 182, 216, .14);
  --green-soft:  rgba(98, 210, 162, .13);
  --amber-soft:  rgba(234, 180, 100, .14);
  --red-soft:    rgba(239, 118, 122, .14);

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -18px rgba(0,0,0,.8);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --maxw: 1140px;
  --gut: 20px;
}
:root[data-theme="light"] {
  --bg:        #fbfaf8;
  --bg-alt:    #f3f2ee;
  --panel:     #ffffff;
  --panel-2:   #f6f5f1;
  --line:      #e0ded7;
  --ink:       #1d2029;
  --ink-dim:   #545b6d;
  --ink-faint: #838b9d;

  --coral:  #c2562f;
  --violet: #6d4fd3;
  --cyan:   #1b7f9f;
  --green:  #158a5f;
  --amber:  #9a6c14;
  --red:    #c33a45;

  --coral-soft:  rgba(194, 86, 47, .10);
  --violet-soft: rgba(109, 79, 211, .10);
  --cyan-soft:   rgba(27, 127, 159, .10);
  --green-soft:  rgba(21, 138, 95, .10);
  --amber-soft:  rgba(154, 108, 20, .11);
  --red-soft:    rgba(195, 58, 69, .10);
  --shadow: 0 1px 2px rgba(30,25,15,.06), 0 14px 30px -20px rgba(30,25,15,.35);
}

/* ───────────────────────── reset ───────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; font-weight: 640; }
p { margin: 0; }
a { color: inherit; }
code { font-family: var(--mono); font-size: .9em; }
button, input { font: inherit; color: inherit; }
::selection { background: var(--coral); color: #fff; }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 99;
  background: var(--coral); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; border-radius: 4px; }

/* ───────────────────────── topbar ───────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 620; letter-spacing: -.02em; flex: 0 0 auto; }
.brand-mark { width: 26px; height: 26px; flex: none; }
.brand-mark rect { fill: var(--panel-2); }
.brand-mark .c { stroke: var(--coral); }
.brand-text { white-space: nowrap; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a {
  text-decoration: none; color: var(--ink-dim); font-size: 14px; padding: 6px 10px;
  border-radius: 8px; white-space: nowrap; transition: color .15s, background .15s;
}
.nav a:hover { color: var(--ink); background: var(--panel-2); }
.nav a.on { color: var(--coral); background: var(--coral-soft); }
.icon-btn {
  display: inline-flex; align-items: center; gap: 7px; flex: none;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-dim);
  border-radius: 999px; padding: 5px 12px 5px 9px; cursor: pointer; font-size: 13px;
  transition: border-color .15s, color .15s;
}
.icon-btn:hover { border-color: var(--coral); color: var(--ink); }
.theme-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--coral), var(--violet)); }

/* ───────────────────────── hero ───────────────────────── */
.hero { padding: clamp(48px, 9vw, 104px) var(--gut) clamp(40px, 6vw, 72px); }
.eyebrow {
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--coral);
  font-weight: 640; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(34px, 6.4vw, 66px); font-weight: 680; max-width: 15ch; }
.grad {
  background: linear-gradient(100deg, var(--coral), var(--violet) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { margin-top: 22px; max-width: 62ch; font-size: clamp(16px, 2.1vw, 19px); color: var(--ink-dim); }
.lede em { color: var(--ink); font-style: italic; }
.hero-note { margin-top: 18px; color: var(--ink-faint); font-size: 14.5px; max-width: 54ch; }

.hero-flow {
  margin-top: 40px; display: flex; align-items: stretch; gap: 0; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 16px; box-shadow: var(--shadow);
}
.hf-node {
  flex: 1 1 150px; min-width: 0; display: flex; flex-direction: column; gap: 2px;
  padding: 12px 14px; border-radius: var(--radius-sm); background: var(--panel-2);
  border: 1px solid var(--line);
}
.hf-node span { font-weight: 620; font-size: 15px; }
.hf-node small { color: var(--ink-faint); font-size: 12.5px; }
.hf-you span { color: var(--coral); }
.hf-harness span { color: var(--cyan); }
.hf-model span { color: var(--violet); }
.hf-arrow {
  flex: 0 0 46px; position: relative; align-self: center; height: 2px; background: var(--line);
  margin-inline: 6px;
}
.hf-arrow::after {
  content: ""; position: absolute; right: -1px; top: -4px;
  border-left: 8px solid var(--line); border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
.hf-both::before {
  content: ""; position: absolute; left: -1px; top: -4px;
  border-right: 8px solid var(--line); border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink);
  padding: 9px 17px; border-radius: 10px; cursor: pointer; font-size: 14.5px; font-weight: 560;
  text-decoration: none; transition: border-color .15s, background .15s, transform .08s;
}
.btn:hover { border-color: var(--ink-faint); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--coral); border-color: var(--coral); color: #fff; }
.btn-primary:hover { filter: brightness(1.07); border-color: var(--coral); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.icon-play { width: 0; height: 0; border-left: 8px solid currentColor; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.is-playing .icon-play { border: none; width: 8px; height: 9px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }

/* ───────────────────────── sections ───────────────────────── */
.section { padding: clamp(52px, 8vw, 96px) 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-alt); }
.sec-head { max-width: 66ch; margin-bottom: 34px; }
.sec-num { font-family: var(--mono); font-size: 12px; color: var(--coral); letter-spacing: .1em; margin-bottom: 10px; }
.sec-head h2 { font-size: clamp(25px, 3.8vw, 38px); }
.sec-sub { margin-top: 14px; color: var(--ink-dim); font-size: clamp(15px, 1.8vw, 17px); }
.sec-sub code, .takeaways code { background: var(--panel-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; }

.takeaways {
  list-style: none; margin: 30px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px;
}
.takeaways li {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 14.5px; color: var(--ink-dim); line-height: 1.55;
}
.takeaways b { color: var(--ink); font-weight: 600; }

/* ───────────────────────── player ───────────────────────── */
.player { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.player-controls { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.scenarios { display: flex; gap: 8px; flex-wrap: wrap; }
.scn {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; font-size: 13.5px; cursor: pointer; color: var(--ink-dim);
  transition: all .15s; white-space: nowrap;
}
.scn:hover { color: var(--ink); border-color: var(--ink-faint); }
.scn[aria-selected="true"] { background: var(--coral-soft); border-color: var(--coral); color: var(--coral); font-weight: 600; }
.transport { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.speed { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-faint); margin-left: auto; }
.speed-label { white-space: nowrap; }
.speed input { width: 92px; accent-color: var(--coral); }
.speed output { font-family: var(--mono); min-width: 28px; }

/* pipeline */
.pipeline {
  display: grid; grid-template-columns: minmax(0,1fr) 130px minmax(0,.62fr);
  gap: 0; align-items: stretch; padding: 18px 16px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), transparent);
}
.lane { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; background: var(--panel); transition: border-color .25s, box-shadow .25s; }
.lane-title { font-size: 11.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-faint); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.lane-tag { font-size: 10px; background: var(--panel-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 4px; letter-spacing: .04em; }
.lane-body { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.chip {
  font-size: 12.5px; padding: 5px 10px; border-radius: 7px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--ink-dim); transition: all .22s; white-space: nowrap;
}
.chip-you.hot    { background: var(--coral-soft);  border-color: var(--coral);  color: var(--coral); }
.chip-harness.hot{ background: var(--cyan-soft);   border-color: var(--cyan);   color: var(--cyan); }
.chip-tools.hot  { background: var(--green-soft);  border-color: var(--green);  color: var(--green); }
.chip-model.hot  { background: var(--violet-soft); border-color: var(--violet); color: var(--violet); }
.chip.hot { transform: translateY(-1px); }
.lane.hot { border-color: var(--ink-faint); }

.wire { position: relative; display: flex; align-items: center; justify-content: center; }
.wire-line { position: absolute; left: 4px; right: 4px; top: 50%; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }
.wire-caption { position: absolute; top: calc(50% + 12px); font-size: 10.5px; color: var(--ink-faint); letter-spacing: .08em; }
.packet {
  position: absolute; top: 50%; left: 4px; transform: translate(0, -50%) scale(.6);
  font-size: 10.5px; font-family: var(--mono); padding: 3px 7px; border-radius: 5px;
  background: var(--violet); color: #0b0d12; opacity: 0; white-space: nowrap; font-weight: 600;
  transition: opacity .18s;
}
.packet.go-right { animation: flyR var(--fly, 900ms) ease-in-out forwards; background: var(--cyan); color: #06121a; }
.packet.go-left  { animation: flyL var(--fly, 900ms) ease-in-out forwards; background: var(--violet); color: #12091f; }
@keyframes flyR {
  0%   { opacity: 0; left: 2px;  transform: translate(0,-50%) scale(.7); }
  18%  { opacity: 1; transform: translate(0,-50%) scale(1); }
  82%  { opacity: 1; transform: translate(-100%,-50%) scale(1); }
  100% { opacity: 0; left: calc(100% - 2px); transform: translate(-100%,-50%) scale(.7); }
}
@keyframes flyL {
  0%   { opacity: 0; left: calc(100% - 2px); transform: translate(-100%,-50%) scale(.7); }
  18%  { opacity: 1; transform: translate(-100%,-50%) scale(1); }
  82%  { opacity: 1; left: 2px; transform: translate(0,-50%) scale(1); }
  100% { opacity: 0; left: 2px; transform: translate(0,-50%) scale(.7); }
}

/* panes */
.player-panes { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
.pane { min-width: 0; }
.pane-transcript { border-right: 1px solid var(--line); }
.pane-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2);
}
.pane-head h3 { font-size: 13px; font-weight: 600; color: var(--ink-dim); letter-spacing: .01em; }
.pane-meta { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }

.stream {
  list-style: none; margin: 0; padding: 14px 16px; min-height: 340px; max-height: 460px;
  overflow-y: auto; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth;
}
.stream-empty { color: var(--ink-faint); font-size: 14px; margin: auto; text-align: center; }
.ev {
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel-2);
  padding: 9px 12px; font-size: 13.5px; animation: pop .28s ease-out both;
}
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.ev-head { display: flex; align-items: center; gap: 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); margin-bottom: 5px; }
.ev-who { font-weight: 700; }
.ev-body { color: var(--ink); line-height: 1.5; }
.ev-sub { color: var(--ink-faint); font-size: 12.5px; margin-top: 4px; }
.ev-you     { border-left: 3px solid var(--coral); }
.ev-you .ev-who { color: var(--coral); }
.ev-model   { border-left: 3px solid var(--violet); }
.ev-model .ev-who { color: var(--violet); }
.ev-harness { border-left: 3px solid var(--cyan); }
.ev-harness .ev-who { color: var(--cyan); }
.ev-result  { border-left: 3px solid var(--green); }
.ev-result .ev-who { color: var(--green); }
.ev-gate    { border-left: 3px solid var(--amber); }
.ev-gate .ev-who { color: var(--amber); }
.ev-deny    { border-left: 3px solid var(--red); }
.ev-deny .ev-who { color: var(--red); }
.ev-final   { border-left: 3px solid var(--violet); background: var(--violet-soft); }

.call {
  font-family: var(--mono); font-size: 12.5px; background: var(--bg);
  border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; margin-top: 6px;
  overflow-x: auto; white-space: pre; color: var(--ink-dim);
}
.call .fn { color: var(--violet); font-weight: 600; }
.out {
  font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-word;
  background: var(--bg); border: 1px solid var(--line); border-radius: 7px;
  padding: 7px 9px; margin-top: 6px; color: var(--ink-dim); max-height: 132px; overflow: auto;
}
.out .pass { color: var(--green); }
.out .fail { color: var(--red); }
.out .add  { color: var(--green); }
.out .del  { color: var(--red); }
.badge {
  font-size: 10.5px; font-family: var(--mono); padding: 1px 6px; border-radius: 4px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-faint); letter-spacing: .02em;
}
.badge-par { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); }
.badge-ok  { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.badge-no  { border-color: var(--red); color: var(--red); background: var(--red-soft); }

/* request pane */
.req { padding: 14px 16px; display: flex; flex-direction: column; gap: 7px; }
.req-row { display: flex; gap: 10px; font-size: 12.5px; align-items: baseline; }
.req-k { font-family: var(--mono); color: var(--violet); flex: 0 0 62px; }
.req-v { color: var(--ink-faint); min-width: 0; }
.req-v b { color: var(--ink); }
.req-fixed { opacity: .8; }
.req-msgs-head { margin-top: 4px; padding-top: 9px; border-top: 1px dashed var(--line); }
.msgs { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; max-height: 210px; overflow-y: auto; }
.msg {
  display: flex; align-items: center; gap: 8px; font-size: 12px; font-family: var(--mono);
  padding: 4px 8px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--line);
  animation: pop .25s ease-out both;
}
.msg-role { flex: 0 0 66px; }
.msg-desc { color: var(--ink-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; flex: 1; }
.msg-tok { color: var(--ink-faint); font-size: 11px; }
.msg-user      { border-left: 2px solid var(--coral); }
.msg-user .msg-role { color: var(--coral); }
.msg-assistant { border-left: 2px solid var(--violet); }
.msg-assistant .msg-role { color: var(--violet); }
.msg-tool      { border-left: 2px solid var(--green); }
.msg-tool .msg-role { color: var(--green); }

.meter { padding: 0 16px 16px; }
.meter-head { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-faint); margin-bottom: 6px; font-family: var(--mono); }
.meter-track { height: 8px; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.meter-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--cyan), var(--violet)); transition: width .45s ease; }
.meter-note { font-size: 12px; color: var(--ink-faint); margin-top: 8px; line-height: 1.45; }
.player-caption {
  padding: 11px 16px; border-top: 1px solid var(--line); background: var(--panel-2);
  font-size: 13px; color: var(--ink-dim); min-height: 42px;
}
.player-caption b { color: var(--ink); font-weight: 600; }

/* ───────────────────────── anatomy ───────────────────────── */
.anatomy { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 14px; }
.anat-col { min-width: 0; }
.anat-label { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.anat-label-out { color: var(--cyan); }
.anat-label-in { color: var(--violet); }
.code {
  margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 14px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  color: var(--ink-dim); box-shadow: var(--shadow);
}
.code-sm { font-size: 12px; padding: 12px; box-shadow: none; }
.code .ok { color: var(--green); }
.code .no { color: var(--red); }
.code .p {
  color: var(--ink); background: var(--panel-2); border-bottom: 1px dashed var(--ink-faint);
  border-radius: 3px; padding: 0 2px; cursor: help; transition: background .15s, color .15s;
}
.code .p:hover, .code .p.on { background: var(--coral-soft); color: var(--coral); border-bottom-color: var(--coral); }
.anat-note {
  grid-column: 1 / -1; border: 1px solid var(--line); border-left: 3px solid var(--coral);
  border-radius: var(--radius-sm); background: var(--panel); padding: 14px 16px; min-height: 92px;
}
.anat-note-title { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--coral); margin-bottom: 6px; }
.anat-note-body { color: var(--ink-dim); font-size: 14.5px; max-width: 78ch; }

/* ───────────────────────── tools ───────────────────────── */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 10px; }
.tool {
  text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 14px; cursor: pointer; transition: all .16s; display: flex; flex-direction: column; gap: 4px;
}
.tool:hover { border-color: var(--ink-faint); transform: translateY(-2px); }
.tool[aria-pressed="true"] { border-color: var(--coral); background: var(--coral-soft); }
.tool-name { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--ink); }
.tool-kind { font-size: 11.5px; color: var(--ink-faint); }
.tool[aria-pressed="true"] .tool-name { color: var(--coral); }
.tool-risk { margin-top: 4px; font-size: 10.5px; letter-spacing: .04em; align-self: flex-start; padding: 1px 6px; border-radius: 4px; border: 1px solid; }
.risk-read { color: var(--green); border-color: var(--green); background: var(--green-soft); }
.risk-write { color: var(--amber); border-color: var(--amber); background: var(--amber-soft); }
.risk-exec { color: var(--red); border-color: var(--red); background: var(--red-soft); }
.tool-detail { margin-top: 14px; }
.td {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 18px; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px;
  box-shadow: var(--shadow); animation: pop .25s ease-out both;
}
.td-idle { color: var(--ink-faint); font-size: 14.5px; padding: 18px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.td h3 { font-family: var(--mono); font-size: 18px; color: var(--coral); }
.td-what { margin-top: 8px; color: var(--ink-dim); font-size: 14.5px; }
.td-why { margin-top: 12px; font-size: 13.5px; color: var(--ink-faint); border-left: 2px solid var(--line); padding-left: 12px; }
.td-why b { color: var(--ink-dim); }

/* ───────────────────────── permissions ───────────────────────── */
.perm { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 16px; align-items: start; }
.perm-controls { display: flex; flex-direction: column; gap: 14px; }
.perm-modes { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 14px; margin: 0; }
.perm-modes legend { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); padding: 0 6px; }
.mode-list { display: flex; flex-direction: column; gap: 7px; }
.mode {
  display: flex; gap: 10px; align-items: flex-start; padding: 9px 11px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--panel-2); cursor: pointer; transition: all .15s; text-align: left; width: 100%;
}
.mode:hover { border-color: var(--ink-faint); }
.mode[aria-pressed="true"] { border-color: var(--coral); background: var(--coral-soft); }
.mode-radio { width: 13px; height: 13px; border-radius: 50%; border: 2px solid var(--ink-faint); flex: none; margin-top: 4px; }
.mode[aria-pressed="true"] .mode-radio { border-color: var(--coral); background: var(--coral); box-shadow: inset 0 0 0 2px var(--panel); }
.mode-text { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.mode-name { font-family: var(--mono); font-size: 13px; font-weight: 600; }
.mode-desc { font-size: 12.5px; color: var(--ink-faint); line-height: 1.45; }
.mode-danger .mode-name { color: var(--red); }
.perm-rules { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 14px; }
.perm-rules-title { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); margin-bottom: 9px; }

.perm-stage { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 16px; box-shadow: var(--shadow); }
.perm-pick-label { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.perm-calls { display: flex; flex-wrap: wrap; gap: 8px; }
.pcall {
  font-family: var(--mono); font-size: 12.5px; padding: 6px 11px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--ink-dim); cursor: pointer; transition: all .15s;
}
.pcall:hover { border-color: var(--ink-faint); color: var(--ink); }
.pcall[aria-pressed="true"] { border-color: var(--coral); color: var(--coral); background: var(--coral-soft); }

.gate { display: flex; gap: 7px; margin-top: 18px; flex-wrap: wrap; }
.gate-step {
  flex: 1 1 104px; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel-2); padding: 9px 11px; display: flex; flex-direction: column; gap: 2px;
  position: relative; transition: all .2s; opacity: .55;
}
.gate-step .gate-n { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); }
.gate-step .gate-t { font-size: 13px; font-weight: 600; }
.gate-step .gate-d { font-size: 11.5px; color: var(--ink-faint); line-height: 1.35; }
.gate-step.lit { opacity: 1; border-color: var(--ink-faint); }
.gate-step.hit-allow { opacity: 1; border-color: var(--green); background: var(--green-soft); }
.gate-step.hit-allow .gate-t { color: var(--green); }
.gate-step.hit-deny { opacity: 1; border-color: var(--red); background: var(--red-soft); }
.gate-step.hit-deny .gate-t { color: var(--red); }
.gate-step.hit-ask { opacity: 1; border-color: var(--amber); background: var(--amber-soft); }
.gate-step.hit-ask .gate-t { color: var(--amber); }

.gate-out { margin-top: 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--panel-2); padding: 14px; min-height: 108px; }
.gate-out-idle { color: var(--ink-faint); font-size: 14px; }
.verdict { display: flex; align-items: center; gap: 9px; font-weight: 640; font-size: 15px; }
.verdict-dot { width: 9px; height: 9px; border-radius: 50%; }
.v-allow { color: var(--green); } .v-allow .verdict-dot { background: var(--green); }
.v-deny  { color: var(--red); }   .v-deny .verdict-dot  { background: var(--red); }
.v-ask   { color: var(--amber); } .v-ask .verdict-dot   { background: var(--amber); }
.verdict-why { margin-top: 7px; color: var(--ink-dim); font-size: 14px; }
.prompt-box {
  white-space: pre-wrap;
  margin-top: 12px; border: 1px solid var(--amber); border-radius: var(--radius-sm);
  background: var(--amber-soft); padding: 11px 13px; font-family: var(--mono); font-size: 12.5px; color: var(--ink);
}
.prompt-box .pb-q { color: var(--amber); }
.prompt-box ol { white-space: normal; margin: 7px 0 0; padding-left: 20px; color: var(--ink-dim); }

/* ───────────────────────── context ───────────────────────── */
.ctx { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 16px; align-items: start; }
.ctx-sim { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 18px; box-shadow: var(--shadow); }
.ctx-slider { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-dim); flex-wrap: wrap; }
.ctx-slider-label { white-space: nowrap; }
.ctx-slider input { flex: 1 1 140px; min-width: 110px; accent-color: var(--coral); }
.ctx-slider output { font-family: var(--mono); color: var(--ink); min-width: 22px; text-align: right; }
.ctx-bar {
  position: relative; display: flex; height: 34px; margin-top: 16px; border-radius: 9px; overflow: hidden;
  border: 1px solid var(--line); background: var(--panel-2);
}
.ctx-seg { transition: width .35s ease; min-width: 0; }
.ctx-bar::after {
  content: ""; position: absolute; top: -4px; bottom: -4px; left: 90%;
  border-left: 2px dashed var(--ink-faint); opacity: .8; pointer-events: none;
}
.ctx-ceiling { margin-top: 7px; font-size: 11.5px; color: var(--ink-faint); text-align: right; padding-right: 2px; }
.seg-sys  { background: var(--cyan); }
.seg-talk { background: var(--coral); }
.seg-tool { background: var(--green); }
.seg-sum  { background: var(--violet); }
.seg-free { background: transparent; }
.ctx-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 12px; font-size: 12px; color: var(--ink-faint); }
.lg { display: inline-flex; align-items: center; gap: 6px; }
.lg::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: currentColor; }
.lg-sys  { color: var(--cyan); }
.lg-talk { color: var(--coral); }
.lg-tool { color: var(--green); }
.lg-sum  { color: var(--violet); }
.lg-free { color: var(--ink-faint); }
.lg-free::before { background: transparent; border: 1px solid var(--line); }
.ctx-say { margin-top: 14px; font-size: 14px; color: var(--ink-dim); min-height: 44px; line-height: 1.5; }
.ctx-say b { color: var(--ink); }

.ctx-cards { display: flex; flex-direction: column; gap: 14px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 16px 18px; }
.card h3 { font-size: 16px; display: flex; align-items: center; gap: 9px; }
.card p { margin-top: 9px; color: var(--ink-dim); font-size: 14px; }
.card-ico { width: 20px; height: 20px; border-radius: 6px; flex: none; }
.ico-compact { background: linear-gradient(135deg, var(--violet), var(--cyan)); }
.ico-agent { background: linear-gradient(135deg, var(--green), var(--cyan)); }

.agentviz { margin-top: 14px; display: grid; grid-template-columns: minmax(0,1fr) 62px minmax(0,1fr); align-items: center; gap: 6px; }
.av-main, .av-sub { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.av-t { font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); }
.av-bar { height: 22px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.av-bar i { display: block; height: 100%; background: var(--violet); }
.av-bar-sub i { background: var(--green); }
.av-n { font-size: 11.5px; color: var(--ink-faint); line-height: 1.3; }
.av-link { position: relative; height: 2px; background: var(--line); }
.av-link span { position: absolute; left: 50%; top: -18px; transform: translateX(-50%); font-size: 10.5px; color: var(--green); white-space: nowrap; }
.av-link::after { content: ""; position: absolute; left: -1px; top: -4px; border-right: 7px solid var(--line); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }

/* ───────────────────────── extend ───────────────────────── */
.ext-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 12px; align-items: start; }
.ext {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 16px; cursor: pointer; text-align: left; transition: all .16s; display: flex; flex-direction: column;
}
.ext:hover { border-color: var(--ink-faint); transform: translateY(-2px); }
.ext[aria-expanded="true"] { border-color: var(--coral); }
.ext-top { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; }
.ext-name { font-size: 16px; font-weight: 620; }
.ext-path { font-family: var(--mono); font-size: 11.5px; color: var(--coral); background: var(--coral-soft); padding: 1px 6px; border-radius: 4px; }
.ext-what { margin-top: 9px; color: var(--ink-dim); font-size: 14px; }
.ext-code { margin-top: 12px; }
.ext-hint { margin-top: 10px; font-size: 12px; color: var(--ink-faint); }

/* ───────────────────────── closing / footer ───────────────────────── */
.closing { border-top: 1px solid var(--line); }
.closing-inner { max-width: 62ch; }
.closing h2 { font-size: clamp(24px, 3.4vw, 34px); }
.closing p { margin-top: 14px; color: var(--ink-dim); font-size: clamp(15px, 1.8vw, 17px); }
.footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding: 28px 0 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: var(--ink-faint); max-width: 74ch; }
.footer a { color: var(--coral); }
.footer-meta { color: var(--ink-faint); }

/* ───────────────────────── responsive ───────────────────────── */
@media (max-width: 940px) {
  .player-panes { grid-template-columns: minmax(0, 1fr); }
  .pane-transcript { border-right: none; border-bottom: 1px solid var(--line); }
  .anatomy { grid-template-columns: minmax(0, 1fr); }
  .perm { grid-template-columns: minmax(0, 1fr); }
  .ctx { grid-template-columns: minmax(0, 1fr); }
  .td { grid-template-columns: minmax(0, 1fr); gap: 14px; }
}
@media (max-width: 720px) {
  .brand-text { display: none; }
  .nav { margin-left: 0; }
  .pipeline { grid-template-columns: minmax(0,1fr); gap: 10px; }
  .wire { height: 54px; }
  .wire-line { left: 50%; right: auto; top: 4px; bottom: 4px; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line) 0 6px, transparent 6px 12px); }
  .wire-caption { top: auto; bottom: -2px; left: calc(50% + 12px); }
  .packet.go-right { animation-name: flyDown; }
  .packet.go-left  { animation-name: flyUp; }
  @keyframes flyDown {
    0%   { opacity: 0; top: 4px; left: 50%; transform: translate(-50%,0) scale(.7); }
    20%  { opacity: 1; transform: translate(-50%,0) scale(1); }
    80%  { opacity: 1; top: calc(100% - 4px); transform: translate(-50%,-100%) scale(1); }
    100% { opacity: 0; top: calc(100% - 4px); transform: translate(-50%,-100%) scale(.7); }
  }
  @keyframes flyUp {
    0%   { opacity: 0; top: calc(100% - 4px); left: 50%; transform: translate(-50%,-100%) scale(.7); }
    20%  { opacity: 1; transform: translate(-50%,-100%) scale(1); }
    80%  { opacity: 1; top: 4px; transform: translate(-50%,0) scale(1); }
    100% { opacity: 0; top: 4px; transform: translate(-50%,0) scale(.7); }
  }
  .speed { margin-left: 0; width: 100%; }
  .hero-flow { flex-direction: column; }
  /* the basis is on the main axis, which is now vertical — 150px would be a height */
  .hf-node { flex: 0 0 auto; width: 100%; }
  .hf-arrow { width: 2px; height: 22px; flex: 0 0 22px; align-self: flex-start; margin-left: 24px; }
  .hf-arrow::after { right: -4px; top: auto; bottom: -1px; border: none; border-top: 8px solid var(--line); border-left: 5px solid transparent; border-right: 5px solid transparent; }
  .hf-both::before { left: -4px; top: -1px; border: none; border-bottom: 8px solid var(--line); border-left: 5px solid transparent; border-right: 5px solid transparent; }
  .agentviz { grid-template-columns: minmax(0,1fr); }
  .av-link { height: 28px; width: 2px; margin: 4px auto; }
  .av-link span { left: 14px; top: 4px; transform: none; }
  .av-link::after { left: -4px; top: auto; bottom: -1px; border: none; border-top: 7px solid var(--line); border-left: 5px solid transparent; border-right: 5px solid transparent; }
}
@media (max-width: 560px) {
  .nav { gap: 0; -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); }
  .nav a { font-size: 13px; padding: 6px 8px; }
  .theme-label { display: none; }
  .icon-btn { padding: 6px 9px; }
  .topbar-inner { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .stream { scroll-behavior: auto; }
}

/* stacked context meter (built by app.js) */
.meter-track { display: flex; }
.meter-track i { display: block; height: 100%; transition: width .4s ease; min-width: 0; }
.mf-sys  { background: var(--cyan); }
.mf-talk { background: var(--violet); }