/* ============================================================================
   SEP-137 Coding-System Cockpit - spine theme (v1)
   THEME CONTRACT: every color / duration / easing lives in a CSS custom
   property scoped under [data-theme="spine"]. Look-direction themes restyle
   by overriding these variables only - no JS changes. Full variable list
   documented in README.md.
   ========================================================================= */

[data-theme="spine"] {
  color-scheme: dark;

  /* ---- colors: surfaces ---- */
  --c-bg: #0b0e13;
  --c-bg-grad-a: #101319;
  --c-bg-grad-b: #0b0e13;
  --c-panel: #171b21;
  --c-panel-2: #202630;
  --c-node-bg: #141820;
  --c-line: #323a46;
  --c-line-strong: #45505f;
  --c-node-line: #323a46;
  --c-placeholder-line: #2a313c;
  --c-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);

  /* ---- colors: text ---- */
  --c-text: #f4f6fb;
  --c-muted: #aeb6c6;
  --c-faint: #6b7689;

  /* ---- colors: semantic ---- */
  --c-accent: #58d5c9;
  --c-on-accent: #08221f;   /* text/icon sitting ON an accent-filled surface */
  --c-gold: #d7b765;
  --c-green: #6fd58a;
  --c-amber: #e8b34b;
  --c-red: #ff7676;
  --c-blue: #6ea8ff;

  /* ---- colors: flow / motion ---- */
  --c-connector: #3a4452;
  --c-connector-dim: #242b35;
  --c-pulse: #58d5c9;
  --c-glow-amber: rgba(232, 179, 75, 0.55);
  --c-glow-red: rgba(255, 118, 118, 0.5);
  --c-glow-accent: rgba(88, 213, 201, 0.55);

  /* ---- colors: chips / badges ---- */
  --c-chip-ok-bg: rgba(111, 213, 138, 0.12);
  --c-chip-warn-bg: rgba(232, 179, 75, 0.12);
  --c-chip-bad-bg: rgba(255, 118, 118, 0.12);
  --c-chip-info-bg: rgba(110, 168, 255, 0.12);
  --c-chip-neutral-bg: rgba(174, 182, 198, 0.10);
  --c-distress-bg: rgba(255, 118, 118, 0.10);

  /* ---- colors: tiers ---- */
  --c-tier-hard: #ff7676;
  --c-tier-soft: #6fd58a;
  --c-tier-none: #aeb6c6;
  --c-tier-unknown: #6b7689;

  /* ---- durations (loops + transitions) ---- */
  --d-pulse-cycle: 5.6s;       /* one pulse trip down a full chain */
  --d-pulse-stagger: calc(var(--d-pulse-cycle) * 0.12);
  --d-shake: 2.4s;             /* shaking-lock motif period */
  --d-gears: 3.2s;             /* stalled-gears motif period */
  --d-tide: 2.8s;              /* wobbling-tide roll period */
  --d-flame: 0.7s;             /* flame flicker period */
  --d-robot: 3.6s;             /* sad-robot droop period */
  --d-glow: 1.6s;              /* amber stall glow breathe */
  --d-enter: 0.5s;             /* new-node slide-in */
  --d-changed: 0.9s;           /* changed-node one-shot pulse */
  --d-ticker: 48s;             /* fallback ticker loop (JS recomputes) */
  --d-distress: 1.4s;          /* SYSTEM DISTRESS banner pulse */
  --d-chip-pulse: 2.2s;        /* running-routine chip breathe */
  --d-panel: 0.25s;            /* drill-panel slide */

  /* ---- easings ---- */
  --e-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --e-enter: cubic-bezier(0.16, 1, 0.3, 1);
  --e-pulse: linear;
  --e-linear: linear;          /* tide roll + ticker scroll */
  --e-soft: ease-in-out;       /* sad-robot droop + tide wobble */
  --e-flame: steps(3, end);    /* flame flicker stepping */

  /* ---- layout ---- */
  --chain-w: 232px;
  --chain-gap: 14px;
  --group-gap: 30px;
  --conn-h: 22px;
  --row-h: 88px;
  --row-issue-h: 96px;
  --cell-h: calc(var(--conn-h) + var(--row-h));
  --rail-w: 88px;
  --radius: 8px;
  --panel-w: min(430px, 92vw);

  /* ---- typography / misc ---- */
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --fs-base: 0.86rem;
  --fs-small: 0.74rem;
  --fs-rail: 0.62rem;
  --placeholder-opacity: 0.42;
}

/* ============================ base ============================ */

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--c-bg-grad-a) 0%, var(--c-bg-grad-b) 100%);
  color: var(--c-text);
  font-family: var(--font);
  font-size: var(--fs-base);
}

.sprite { display: none; }

svg.icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.noscript {
  padding: 24px;
  text-align: center;
  color: var(--c-amber);
}

.app {
  width: min(1500px, calc(100% - 28px));
  margin: 0 auto;
  padding: 20px 0 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 14px;
}
/* author display:flex beats the UA [hidden] rule — restate it (sign-in path) */
.app[hidden] { display: none; }

/* ============================ topbar ============================ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-line-strong);
  border-radius: 10px;
  color: var(--c-accent);
  background: var(--c-panel);
}
.brand-mark .icon { width: 22px; height: 22px; }

.brand-title { font-size: 1.05rem; font-weight: 750; }
.brand-sub { color: var(--c-muted); font-size: var(--fs-small); margin-top: 2px; }

.topchips { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-chip-neutral-bg);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-muted);
  white-space: nowrap;
}
.chip .icon { width: 13px; height: 13px; }
.chip strong { color: var(--c-text); font-weight: 700; }
.chip[data-status="ok"]   { background: var(--c-chip-ok-bg);   color: var(--c-green); }
.chip[data-status="warn"] { background: var(--c-chip-warn-bg); color: var(--c-amber); }
.chip[data-status="bad"]  { background: var(--c-chip-bad-bg);  color: var(--c-red); }
.chip[data-status="info"] { background: var(--c-chip-info-bg); color: var(--c-blue); }
.chip[data-status="gold"] { background: var(--c-chip-warn-bg); color: var(--c-gold); }
.chip.clickable { cursor: pointer; }
.chip.clickable:hover { border-color: var(--c-line-strong); }

/* ============================ banner ============================ */

.banner {
  align-self: stretch;
  text-align: center;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.banner[data-level="ok"]   { color: var(--c-green); background: var(--c-chip-ok-bg);   border-color: transparent; }
.banner[data-level="warn"] { color: var(--c-amber); background: var(--c-chip-warn-bg); border-color: var(--c-amber); }
.banner[data-level="distress"] {
  color: var(--c-red);
  background: var(--c-distress-bg);
  border-color: var(--c-red);
  animation: distress-pulse var(--d-distress) var(--e-standard) infinite;
}
@keyframes distress-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--c-glow-red); opacity: 1; }
  50%      { box-shadow: 0 0 22px 4px var(--c-glow-red); opacity: 0.82; }
}

/* ============================ health strip ============================ */

.health-strip { display: flex; gap: 10px; flex-wrap: wrap; }

.hchip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  cursor: pointer;
  color: var(--c-text);
  font: inherit;
  text-align: left;
  position: relative;
}
.hchip:hover { border-color: var(--c-line-strong); }
.hchip .icon { width: 17px; height: 17px; color: var(--c-muted); }
.hchip-label { font-size: var(--fs-small); color: var(--c-muted); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.hchip-value { font-size: var(--fs-small); font-weight: 750; }
.hchip-note  { font-size: var(--fs-small); color: var(--c-faint); }
.hchip .dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.hchip[data-status="ok"] .dot   { background: var(--c-green); }
.hchip[data-status="warn"] .dot { background: var(--c-amber); }
.hchip[data-status="bad"] .dot  { background: var(--c-red); }
.hchip[data-status="info"] .dot { background: var(--c-blue); }
/* "neutral" = indeterminate (e.g. routine task_state Unknown) — dim, NOT an error */
.hchip[data-status="neutral"] .dot { background: var(--c-faint); }
.hchip[data-status="neutral"] .hchip-value { color: var(--c-muted); }
.hchip[data-status="bad"] { border-color: var(--c-red); }
.hchip[data-status="warn"] { border-color: var(--c-amber); }
.hchip.running .dot { animation: chip-breathe var(--d-chip-pulse) var(--e-standard) infinite; }
@keyframes chip-breathe {
  0%, 100% { box-shadow: 0 0 0 0 var(--c-glow-accent); }
  50%      { box-shadow: 0 0 8px 2px var(--c-glow-accent); }
}

/* ============================ failure motifs ============================ */
/* Motifs are bound by data-state attributes - themes restyle, JS never changes. */

.motif-icon {
  position: absolute;
  top: -9px;
  right: -9px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: var(--c-panel-2);
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  z-index: 2;
}
.motif-icon .icon { width: 13px; height: 13px; }

[data-motif="shaking-lock"] .motif-icon { color: var(--c-red); border-color: var(--c-red); }
[data-motif="shaking-lock"] .motif-icon .icon { animation: motif-shake var(--d-shake) var(--e-standard) infinite; }
@keyframes motif-shake {
  0%, 28%, 44%, 100% { transform: none; }
  30% { transform: translateX(-1.5px) rotate(-7deg); }
  33% { transform: translateX(1.5px) rotate(7deg); }
  36% { transform: translateX(-1.5px) rotate(-5deg); }
  39% { transform: translateX(1.5px) rotate(5deg); }
  42% { transform: none; }
}

[data-motif="stalled-gears"] .motif-icon { color: var(--c-amber); border-color: var(--c-amber); }
[data-motif="stalled-gears"] .motif-icon .icon { animation: motif-gear-stall var(--d-gears) var(--e-standard) infinite; }
@keyframes motif-gear-stall {
  0%   { transform: rotate(0deg); }
  30%  { transform: rotate(52deg); }
  42%  { transform: rotate(38deg); }
  58%  { transform: rotate(55deg); }
  68%  { transform: rotate(40deg); }
  100% { transform: rotate(0deg); }
}

[data-motif="flame"] .motif-icon,
.hchip[data-motif="flame"] .icon { color: var(--c-red); }
[data-motif="flame"] .motif-icon .icon,
.hchip[data-motif="flame"] > .icon {
  transform-origin: 50% 90%;
  animation: motif-flame var(--d-flame) var(--e-flame) infinite;
}
@keyframes motif-flame {
  0%   { transform: scale(1); }
  33%  { transform: scale(1.18) rotate(-3deg); }
  66%  { transform: scale(0.9) rotate(3deg); }
  100% { transform: scale(1); }
}

[data-motif="sad-robot"] .motif-icon,
.hchip[data-motif="sad-robot"] .icon { color: var(--c-amber); }
[data-motif="sad-robot"] .motif-icon .icon,
.hchip[data-motif="sad-robot"] > .icon {
  transform-origin: 50% 100%;
  animation: motif-robot var(--d-robot) var(--e-soft) infinite;
}
@keyframes motif-robot {
  0%, 100% { transform: rotate(0deg) translateY(0); }
  50%      { transform: rotate(-9deg) translateY(1.5px); }
}

.tide-strip {
  height: 10px;
  border-radius: 6px;
  background: repeating-linear-gradient(90deg, var(--c-amber) 0 16px, transparent 16px 32px);
  opacity: 0.7;
  animation:
    motif-tide-roll var(--d-tide) var(--e-linear) infinite,
    motif-tide-wobble calc(var(--d-tide) * 0.6) var(--e-soft) infinite alternate;
}
@keyframes motif-tide-roll   { from { background-position: 0 0; } to { background-position: 64px 0; } }
@keyframes motif-tide-wobble { from { transform: translateY(-1.5px) skewX(-5deg); } to { transform: translateY(1.5px) skewX(5deg); } }

/* SYSTEM DISTRESS aggregation: >2 motifs -> suppress individual loops,
   single coordinated banner animation carries the alarm. */
body[data-distress="1"] .motif-icon .icon,
body[data-distress="1"] .hchip > .icon,
body[data-distress="1"] .tide-strip,
body[data-distress="1"] .node[data-glow] { animation: none !important; }

/* ============================ flow tree ============================ */

.tree-wrap {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  flex: 1;
  padding: 10px 2px 18px;
  align-items: flex-start;
}

.stage-rail {
  position: sticky;
  left: 0;
  z-index: 3;
  flex: 0 0 var(--rail-w);
  background: linear-gradient(90deg, var(--c-bg-grad-b) 78%, transparent);
  display: flex;
  flex-direction: column;
}
.rail-cell {
  height: var(--cell-h);
  display: flex;
  align-items: center;
  padding-top: var(--conn-h);
  color: var(--c-faint);
  font-size: var(--fs-rail);
  font-weight: 750;
  letter-spacing: 0.14em;
}
.rail-cell.rail-issue { height: var(--row-issue-h); padding-top: 0; }

.lanes { display: flex; gap: var(--group-gap); align-items: flex-start; }

.issue-group { display: flex; flex-direction: column; }

.chains { display: flex; gap: var(--chain-gap); position: relative; }
.chains[data-multi="1"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: calc(var(--chain-w) / 2);
  right: calc(var(--chain-w) / 2);
  height: 2px;
  background: var(--c-connector);
}

.chain { width: var(--chain-w); display: flex; flex-direction: column; }

.cell {
  height: var(--cell-h);
  display: flex;
  flex-direction: column;
  position: relative;
}

.connector { flex: 0 0 var(--conn-h); position: relative; }
.connector::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--c-connector);
}
.cell[data-reached="0"] .connector::before {
  background: repeating-linear-gradient(180deg, var(--c-connector-dim) 0 4px, transparent 4px 8px);
}

/* pulses travel DOWN the reached connectors of active chains;
   per-stage stagger makes the dot read as one continuous traveler */
.chain[data-active="1"] .cell[data-flow="1"] .connector::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--c-pulse);
  box-shadow: 0 0 8px var(--c-pulse);
  opacity: 0;
  animation: pulse-travel var(--d-pulse-cycle) var(--e-pulse) infinite;
  animation-delay: calc(var(--pulse-delay, 0s) + var(--stage-i, 0) * var(--d-pulse-stagger));
}
@keyframes pulse-travel {
  0%   { top: 0; opacity: 0; }
  2%   { opacity: 1; }
  11%  { top: calc(100% - 6px); opacity: 1; }
  13%  { top: calc(100% - 6px); opacity: 0; }
  100% { top: calc(100% - 6px); opacity: 0; }
}

/* ---- nodes ---- */

.node {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--c-node-bg);
  border: 1px solid var(--c-node-line);
  border-radius: var(--radius);
  padding: 8px 10px;
  text-align: left;
  position: relative;
  color: var(--c-text);
  font: inherit;
  cursor: pointer;
  width: 100%;
}
.node:hover { border-color: var(--c-line-strong); }
.node:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 1px; }

.node.placeholder {
  border-style: dashed;
  border-color: var(--c-placeholder-line);
  opacity: var(--placeholder-opacity);
  cursor: default;
  background: transparent;
}
.node.placeholder .node-title { color: var(--c-faint); }

.node-head { display: flex; align-items: center; gap: 7px; min-width: 0; }
.node-icon { color: var(--c-muted); }
.node-title {
  font-weight: 700;
  font-size: var(--fs-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.node-sub {
  color: var(--c-muted);
  font-size: var(--fs-small);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 750;
  white-space: nowrap;
  background: var(--c-chip-neutral-bg);
  color: var(--c-muted);
}
.badge.b-open   { background: var(--c-chip-ok-bg);   color: var(--c-green); }
.badge.b-merged { background: var(--c-chip-info-bg); color: var(--c-blue); }
.badge.b-closed { background: var(--c-chip-bad-bg);  color: var(--c-red); }
.badge.b-draft  { background: var(--c-chip-neutral-bg); color: var(--c-muted); }
.badge.b-started   { background: var(--c-chip-warn-bg); color: var(--c-amber); }
.badge.b-completed { background: var(--c-chip-ok-bg);   color: var(--c-green); }
.badge.b-none      { background: var(--c-chip-neutral-bg); color: var(--c-faint); }
.badge.tier-hard    { background: var(--c-chip-bad-bg);     color: var(--c-tier-hard); }
.badge.tier-soft    { background: var(--c-chip-ok-bg);      color: var(--c-tier-soft); }
.badge.tier-none    { background: var(--c-chip-neutral-bg); color: var(--c-tier-none); }
.badge.tier-unknown { background: var(--c-chip-neutral-bg); color: var(--c-tier-unknown); }

.check-row { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; }
.check-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c-faint); } /* default = unknown status */
.check-dot.s-pass    { background: var(--c-green); }
.check-dot.s-fail    { background: var(--c-red); }
.check-dot.s-pending { background: var(--c-amber); }
.check-dot.s-skipped { background: var(--c-faint); }

.issue-node { height: var(--row-issue-h); flex: 0 0 var(--row-issue-h); }
.issue-node.untracked { border-style: dashed; }
.lock-resolved { color: var(--c-faint); margin-left: auto; }
.lock-resolved .icon { width: 12px; height: 12px; }

/* amber stall glow - where the work is stuck */
.node[data-glow="amber"] {
  border-color: var(--c-amber);
  animation: glow-amber var(--d-glow) var(--e-standard) infinite alternate;
}
@keyframes glow-amber {
  from { box-shadow: 0 0 4px 0 var(--c-glow-amber); }
  to   { box-shadow: 0 0 16px 3px var(--c-glow-amber); }
}
.node[data-glow="red"] {
  border-color: var(--c-red);
  animation: glow-red var(--d-glow) var(--e-standard) infinite alternate;
}
@keyframes glow-red {
  from { box-shadow: 0 0 4px 0 var(--c-glow-red); }
  to   { box-shadow: 0 0 16px 3px var(--c-glow-red); }
}

/* ---- poll-delta animations ---- */

.node.enter {
  animation: node-enter var(--d-enter) var(--e-enter) both;
  animation-delay: var(--enter-delay, 0s);
}
@keyframes node-enter {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: none; }
}
.node.changed { animation: node-changed var(--d-changed) var(--e-standard) 1; }
@keyframes node-changed {
  0%   { box-shadow: 0 0 0 0 var(--c-glow-accent); }
  60%  { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ============================ ticker ============================ */

.ticker-wrap {
  border-top: 1px solid var(--c-line);
  overflow: hidden;
  margin-top: auto;
  padding: 0;
}
.ticker-track {
  display: inline-flex;
  white-space: nowrap;
  padding: 9px 0;
  animation: ticker-scroll var(--d-ticker-computed, var(--d-ticker)) var(--e-linear) infinite;
  will-change: transform;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.tick-item { display: inline-flex; align-items: center; gap: 8px; margin-right: 42px; font-size: var(--fs-small); }
.tick-kind {
  padding: 1px 7px;
  border-radius: 999px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.62rem;
  background: var(--c-chip-neutral-bg);
  color: var(--c-muted);
}
.tick-kind.kind-merge     { background: var(--c-chip-ok-bg);   color: var(--c-green); }
.tick-kind.kind-review    { background: var(--c-chip-info-bg); color: var(--c-blue); }
.tick-kind.kind-alert     { background: var(--c-chip-bad-bg);  color: var(--c-red); }
.tick-kind.kind-drift     { background: var(--c-chip-warn-bg); color: var(--c-amber); }
.tick-kind.kind-deploy    { background: var(--c-chip-warn-bg); color: var(--c-gold); }
.tick-kind.kind-bg_window { background: var(--c-chip-warn-bg); color: var(--c-amber); }
.tick-kind.kind-commit    { background: var(--c-chip-neutral-bg); color: var(--c-muted); }
.tick-time { color: var(--c-faint); }
.tick-text { color: var(--c-text); }

/* ============================ drill panel ============================ */

.drill-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--panel-w);
  background: var(--c-panel);
  border-left: 1px solid var(--c-line-strong);
  box-shadow: var(--c-shadow);
  z-index: 20;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform var(--d-panel) var(--e-standard);
}
.drill-panel[hidden] { display: none; }

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--c-line);
}
.panel-title { font-weight: 750; font-size: 1rem; }
.panel-sub { color: var(--c-muted); font-size: var(--fs-small); margin-top: 3px; }
.panel-close {
  background: var(--c-panel-2);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-text);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.panel-close:hover { border-color: var(--c-line-strong); }

.panel-body { flex: 1; overflow-y: auto; padding: 14px 18px; display: flex; flex-direction: column; gap: 16px; }

.panel-section h3 {
  margin: 0 0 8px;
  font-size: var(--fs-small);
  color: var(--c-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.kv { display: grid; grid-template-columns: 124px 1fr; gap: 5px 12px; font-size: var(--fs-small); }
.kv dt { color: var(--c-muted); margin: 0; }
.kv dd { margin: 0; color: var(--c-text); word-break: break-word; }
.kv dd a { color: var(--c-accent); }

.panel-list { margin: 0; padding-left: 16px; font-size: var(--fs-small); color: var(--c-text); }
.panel-list li { margin-bottom: 6px; }

.log-tail {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 10px;
  margin: 0;
  font-family: ui-monospace, Consolas, "Cascadia Mono", monospace;
  font-size: 0.7rem;
  color: var(--c-muted);
  white-space: pre-wrap;
  word-break: break-word;
}

.panel-actions {
  border-top: 1px solid var(--c-line);
  padding: 12px 18px 16px;
  opacity: 0.55;
}
.panel-actions-label {
  font-size: var(--fs-small);
  color: var(--c-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.panel-actions-row { display: flex; gap: 8px; flex-wrap: wrap; }
.action-btn {
  background: var(--c-panel-2);
  border: 1px dashed var(--c-line-strong);
  border-radius: var(--radius);
  color: var(--c-muted);
  font: inherit;
  font-size: var(--fs-small);
  padding: 7px 12px;
  cursor: not-allowed;
}

/* ============================ sign-in state ============================ */

.signin {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.signin[hidden] { display: none; }
.signin-card {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  box-shadow: var(--c-shadow);
  padding: 38px 42px;
  text-align: center;
  max-width: 420px;
}
.signin-icon { width: 34px; height: 34px; color: var(--c-amber); margin-bottom: 10px; }
.signin-card h1 { margin: 0 0 8px; font-size: 1.25rem; }
.signin-card p { margin: 0 0 20px; color: var(--c-muted); }
.signin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 22px;
  border-radius: var(--radius);
  background: var(--c-accent);
  color: var(--c-on-accent);
  font-weight: 750;
  text-decoration: none;
}

/* ============================ accessibility ============================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    /* zero the delays too: .node.enter staggers via animation-delay with
       fill "both" — a non-zero delay would leave nodes invisible until
       their slot arrives. With delay 0 every node appears immediately. */
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .ticker-track { animation: none !important; transform: none !important; }
  .chain[data-active="1"] .cell[data-flow="1"] .connector::after { display: none; }
}