/* Try the Chairman: interactive Command Center demo (markup built by assets/js/demo.js).
   Gold only as lines, lettering and light. Spring easing on entrances. */
.demo { --sp: cubic-bezier(.34, 1.4, .64, 1); --r2: calc(var(--radius) * 2); --glow: rgba(212, 175, 55, .45); margin-top: clamp(2rem, 4vw, 3rem); min-height: 34rem; }
.demo.is-built { min-height: 0; }
.dm-stage { perspective: 1600px; }
.dm-win {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 30%; --dm-p: 0;
  position: relative; overflow: hidden; isolation: isolate; border: 1px solid var(--gold-line); border-radius: calc(var(--radius) * 3);
  background: radial-gradient(120% 80% at 0 0, rgba(34, 50, 74, .55), transparent 60%), linear-gradient(165deg, rgba(14, 20, 29, .72), rgba(10, 10, 10, .94));
  box-shadow: inset 0 1px rgba(255, 255, 255, .06), 0 40px 90px -30px #000, 0 0 60px -20px rgba(212, 175, 55, .12);
  transform: rotateX(var(--rx)) rotateY(var(--ry)); will-change: transform;
}
.dm-glare, .dm-grain { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
.dm-glare { background: radial-gradient(38rem circle at var(--mx) var(--my), rgba(255, 255, 255, .07), rgba(212, 175, 55, .035) 30%, transparent 60%); mix-blend-mode: screen; }
.dm-grain { opacity: .07; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* shared type */
.dm-k, .dm-card__k, .dm-title, .dm-state, .dm-chip, .dm-tag, .dm-label { font-family: var(--f-mono); font-weight: 500; line-height: 1.3; }
.dm-k, .dm-card__k { font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; }
.dm-k { display: flex; align-items: center; gap: .4rem; margin: 0 0 .6rem; color: var(--faint); }
.dm-card__k { color: var(--gold); }
.dm-state, .dm-chip, .dm-tag { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--line); border-radius: 99px; font-size: .7rem; white-space: nowrap; }

/* window chrome */
.dm-bar { display: flex; align-items: center; gap: .9rem; padding: .7rem 1rem; border-bottom: 1px solid var(--line); background: linear-gradient(rgba(255, 255, 255, .035), transparent); }
.dm-lights { display: flex; gap: .4rem; }
.dm-lights i { width: .65rem; height: .65rem; border-radius: 50%; border: 1px solid rgba(250, 250, 250, .22); }
.dm-lights i:first-child { border-color: var(--gold-dim); }
.dm-title { flex: 1; min-width: 0; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dm-title em { font-style: normal; color: var(--faint); }
.dm-state { flex: none; padding: .25rem .65rem; color: var(--muted); transition: border-color .4s, color .4s; }
.dm-state i, .dm-chip i { width: .45rem; height: .45rem; border-radius: 50%; background: var(--faint); }
.dm-state:not([data-state="idle"]) { color: var(--gold); border-color: var(--gold-dim); }
.dm-state:not([data-state="idle"]) i { background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.dm-state[data-state="busy"] i { animation: dm-pulse 1.1s ease-in-out infinite; }
.dm-state[data-state="wait"] { color: var(--white); }
.dm-state[data-state="wait"] i { animation: dm-pulse 1.8s ease-in-out infinite; }

/* layout */
.dm-body { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); min-height: 30rem; }
.dm-side { padding: 1.1rem; border-right: 1px solid var(--line); background: rgba(0, 0, 0, .18); }
.dm-main { position: relative; padding: 1.1rem 1.2rem 1.3rem; min-width: 0; }
.dm-grid { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 1.2rem; align-items: start; }

/* Ellery */
.dm-who { display: flex; align-items: center; gap: .75rem; padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line); }
.dm-who b { display: block; color: var(--white); font: 600 1rem/1.2 var(--f-display); letter-spacing: .06em; }
.dm-who small, .dm-task small { display: block; color: var(--faint); font-size: .74rem; line-height: 1.3; }
.dm-mono { position: relative; display: grid; place-items: center; flex: none; width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 1px solid var(--gold-dim); color: var(--gold); font: 700 1.15rem/1 var(--f-display); box-shadow: 0 0 0 4px var(--gold-wash), 0 0 22px -6px var(--gold); }
.dm-mono::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid transparent; border-top-color: var(--gold); opacity: 0; }
.is-busy .dm-mono::after { opacity: 1; animation: dm-spin 1.2s linear infinite; }

/* task buttons */
.dm-tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.dm-task {
  display: flex; align-items: center; gap: .7rem; width: 100%; min-height: 3.1rem; padding: .55rem .7rem; text-align: left; cursor: pointer;
  background: rgba(255, 255, 255, .02); border: 1px solid var(--line); border-radius: var(--r2); color: var(--text); font: inherit;
  transition: border-color .3s, background .3s, transform .35s var(--sp);
}
.dm-task b { display: block; font-size: .875rem; font-weight: 600; line-height: 1.25; }
.dm-task:hover { border-color: var(--gold-line); background: var(--gold-wash); transform: translateX(3px); }
.dm-task:active { transform: scale(.98); }
.dm-task[aria-pressed="true"] { border-color: var(--gold-dim); background: var(--gold-wash); box-shadow: inset 2px 0 var(--gold); }
.dm-task[aria-pressed="true"] b { color: var(--gold); }
.dm-ico { width: 1.15rem; height: 1.15rem; flex: none; fill: none; stroke: var(--gold); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.dm-ico--s { width: .85rem; height: .85rem; stroke: var(--faint); }

/* progress + chips */
.dm-prog { position: absolute; inset: 0 0 auto; height: 2px; background: var(--line); overflow: hidden; }
.dm-prog i { position: absolute; inset: 0; transform-origin: 0; transform: scaleX(var(--dm-p)); background: linear-gradient(90deg, var(--gold-dim), var(--gold)); transition: transform .7s var(--ease); }
.dm-prog.is-on i::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .8), transparent); animation: dm-shimmer 1.2s linear infinite; }
.dm-chips { list-style: none; margin: 0 0 1.1rem; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.dm-chip { padding: .3rem .65rem; color: var(--faint); transition: color .4s, border-color .4s, box-shadow .5s; }
.dm-chip i { width: .4rem; height: .4rem; background: currentColor; opacity: .5; }
.dm-chip.is-read { color: var(--gold); border-color: var(--gold-dim); box-shadow: 0 0 16px -4px var(--glow); animation: dm-pop .5s var(--sp); }
.dm-chip.is-read i { opacity: 1; box-shadow: 0 0 8px var(--gold); }

/* steps */
.dm-steps { list-style: none; margin: 0; padding: 0; position: relative; }
.dm-steps::before { content: ""; position: absolute; left: .55rem; top: .6rem; bottom: .6rem; width: 1px; background: var(--line); }
.dm-step { display: grid; grid-template-columns: 1.1rem 1fr; column-gap: .7rem; padding: .35rem 0 .75rem; color: var(--faint); font-size: .84rem; transition: color .4s; }
.dm-step__d { grid-column: 2; font-size: .75rem; line-height: 1.4; color: var(--muted); }
.dm-step__d:empty { display: none; }
.dm-dot { position: relative; width: 1.1rem; height: 1.1rem; margin-top: .1rem; border-radius: 50%; border: 1px solid var(--line); background: var(--black); }
.dm-step.is-run, .dm-step.is-wait { color: var(--white); }
.dm-step.is-ok { color: var(--text); }
.dm-step.is-held { color: var(--muted); }
.dm-step.is-run .dm-dot { border-color: var(--gold-line); border-top-color: var(--gold); animation: dm-spin .8s linear infinite; }
.dm-step.is-wait .dm-dot { border-color: var(--gold); animation: dm-ring 1.6s ease-out infinite; }
.dm-step.is-ok .dm-dot, .dm-step.is-held .dm-dot { border-color: var(--gold-dim); }
.dm-step.is-ok .dm-dot::after { content: ""; position: absolute; left: .34rem; top: .17rem; width: .26rem; height: .5rem; border: solid var(--gold); border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); animation: dm-tick .4s var(--sp); }
.dm-step.is-held .dm-dot::after { content: ""; position: absolute; inset: 50% .3rem auto; height: 1.5px; background: var(--faint); }

/* workspace cards */
.dm-work { display: grid; gap: .7rem; min-height: 22rem; align-content: start; }
.dm-empty { margin: 0; padding: 2.4rem 1.2rem; border: 1px dashed var(--line); border-radius: var(--r2); color: var(--muted); font-size: .9rem; text-align: center; }
.dm-card {
  position: relative; padding: .85rem 1rem; border: 1px solid var(--line); border-radius: var(--r2);
  background: linear-gradient(rgba(255, 255, 255, .045), rgba(255, 255, 255, .015)); box-shadow: inset 0 1px rgba(255, 255, 255, .05), 0 14px 30px -18px #000;
  opacity: 0; transform: translateY(14px) scale(.98); transition: opacity .45s var(--ease), transform .7s var(--sp), border-color .4s;
}
.dm-card.is-in { opacity: 1; transform: none; }
.dm-card__h { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-bottom: .55rem; }
.dm-meta { display: grid; grid-template-columns: auto 1fr; gap: .15rem .7rem; margin: 0 0 .6rem; font-size: .8rem; }
.dm-meta dt, .dm-row dt { color: var(--faint); }
.dm-meta dd, .dm-row dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.dm-body-t { margin: 0; padding-top: .6rem; border-top: 1px solid var(--line); font-size: .86rem; line-height: 1.6; white-space: pre-line; min-height: 5.5em; }
.dm-caret { display: inline-block; width: 2px; height: 1em; margin-left: 1px; vertical-align: -.15em; background: var(--gold); animation: dm-blink 1s steps(1) infinite; }
.dm-draft.is-folded { padding-bottom: .5rem; }
.dm-draft.is-folded .dm-meta { margin: 0; font-size: .75rem; }
.dm-draft.is-folded .dm-body-t { display: none; }
.dm-rows { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.dm-row { padding: .5rem .6rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(0, 0, 0, .2); opacity: 0; transform: translateY(8px); animation: dm-rise .6s var(--sp) forwards; animation-delay: calc(var(--n, 0) * 120ms + 120ms); }
.dm-row dt { font-size: .7rem; }
.dm-row dd { font-size: .9rem; font-weight: 600; color: var(--white); font-variant-numeric: tabular-nums; }

/* approval */
.dm-ask { border-color: var(--gold-dim); box-shadow: 0 0 0 1px var(--gold-wash), 0 0 40px -12px var(--glow), 0 14px 30px -18px #000; }
.dm-ask:not(.is-done)::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; border: 1px solid var(--gold); opacity: 0; animation: dm-halo 2.2s ease-out infinite; pointer-events: none; }
.dm-tag { padding: .15rem .5rem; border-color: var(--gold-line); font-size: .66rem; color: var(--muted); }
.dm-ask__q { margin: 0 0 .25rem; font-size: 1rem; font-weight: 600; color: var(--white); }
.dm-ask__n { margin: 0 0 .8rem; font-size: .8rem; color: var(--muted); }
.dm-acts { display: flex; flex-wrap: wrap; gap: .55rem; }
.dm-btn {
  position: relative; min-height: 2.75rem; padding: .55rem 1.15rem; border: 1px solid var(--line); border-radius: var(--r2);
  background: none; color: var(--text); font: 600 .875rem/1.2 var(--f-body); cursor: pointer;
  transition: border-color .3s, color .3s, box-shadow .3s, opacity .3s, transform .3s var(--sp);
}
.dm-btn:hover { border-color: var(--muted); }
.dm-btn:active { transform: scale(.96); }
.dm-btn--yes { border-color: var(--gold); color: var(--gold); box-shadow: 0 0 18px -6px var(--glow), inset 0 0 12px -4px var(--glow); }
.dm-btn--yes:hover { border-color: var(--gold); color: var(--white); box-shadow: 0 0 26px -4px var(--glow), inset 0 0 18px -4px var(--glow); }
.dm-btn:disabled { cursor: default; opacity: .45; transform: none; }
.is-yes .dm-btn--yes:disabled { opacity: 1; color: var(--white); }
.dm-burst { position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; }
.is-yes .dm-burst { animation: dm-burst .8s var(--ease) forwards; }
.dm-ask.is-yes { border-color: var(--gold); }
.dm-ask.is-no { border-color: var(--line); box-shadow: none; }
.dm-res { display: flex; align-items: center; gap: .55rem; margin: .8rem 0 0; font-size: .875rem; animation: dm-rise .55s var(--sp) both; }
.dm-check { width: 1.6rem; height: 1.6rem; flex: none; fill: none; stroke: var(--gold); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 6px var(--glow)); }
.dm-check circle { stroke-dasharray: 63; stroke-dashoffset: 63; animation: dm-draw .6s var(--ease) forwards; }
.dm-check path { stroke-dasharray: 16; stroke-dashoffset: 16; animation: dm-draw .35s var(--ease) .45s forwards; }
.dm-again { margin-top: .8rem; animation: dm-rise .55s var(--sp) .5s both; }
.dm-label { margin: .9rem 0 0; font-size: .7rem; letter-spacing: .08em; color: var(--faint); text-align: center; }
.demo.is-off * { animation-play-state: paused !important; }
.dm-task:focus-visible, .dm-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

@keyframes dm-spin { to { transform: rotate(360deg); } }
@keyframes dm-pulse { 50% { opacity: .35; } }
@keyframes dm-blink { 50% { opacity: 0; } }
@keyframes dm-shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@keyframes dm-pop { 0% { transform: scale(.85); } 60% { transform: scale(1.06); } }
@keyframes dm-tick { 0% { transform: rotate(45deg) scale(.3); opacity: 0; } }
@keyframes dm-rise { to { opacity: 1; transform: none; } }
@keyframes dm-ring { from { box-shadow: 0 0 0 0 var(--glow); } to { box-shadow: 0 0 0 9px transparent; } }
@keyframes dm-halo { from { opacity: .7; } to { opacity: 0; transform: scale(1.04, 1.12); } }
@keyframes dm-burst { from { box-shadow: 0 0 0 0 rgba(212, 175, 55, .8); } to { box-shadow: 0 0 0 22px transparent; } }
@keyframes dm-draw { to { stroke-dashoffset: 0; } }

@media (max-width: 1000px) {
  .dm-grid { grid-template-columns: minmax(0, 1fr); gap: .6rem; }
  .dm-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1rem; }
  .dm-steps::before { display: none; }
  .dm-work { min-height: 18rem; }
}
@media (max-width: 760px) {
  .dm-body { grid-template-columns: minmax(0, 1fr); }
  .dm-side { border-right: 0; border-bottom: 1px solid var(--line); padding: .9rem; }
  .dm-who { padding-bottom: .7rem; margin-bottom: .7rem; }
  .dm-tasks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dm-task { flex-direction: column; align-items: flex-start; gap: .35rem; min-height: 4.2rem; }
  .dm-task:hover { transform: none; }
  .dm-main { padding: .9rem .85rem 1rem; }
  .dm-title em { display: none; }
}
@media (max-width: 640px) {
  .chapter--demo .demo { position: relative; z-index: 1; margin-left: -3.2rem; }
  .chapter--demo .dm-win { background-color: var(--black); }
}
@media (max-width: 420px) {
  .dm-bar { gap: .6rem; padding: .6rem .7rem; }
  .dm-steps { grid-template-columns: minmax(0, 1fr); }
  .dm-acts .dm-btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  .dm-win { transform: none !important; will-change: auto; }
  .dm-card, .dm-row, .dm-res, .dm-again { opacity: 1; transform: none; animation: none !important; transition: none !important; }
  .dm-check circle, .dm-check path { stroke-dashoffset: 0; animation: none !important; }
  .dm-caret, .dm-prog.is-on i::after, .dm-ask::before { display: none; }
  .dm-state i, .dm-dot, .dm-mono::after, .dm-chip { animation: none !important; }
}