/* ---------- V5 diagrams ---------- */
:root {
  --iso-n1: #fbfaf7; --iso-n2: #e4e2db; --iso-n3: #cfccc3;
  --iso-s1: #e3e1da; --iso-s2: #d3d0c7; --iso-s3: #c2beb4;
  --iso-k1: #3a3f40; --iso-k2: #2a2e2f; --iso-k3: #1d2021;
  --iso-a1: #c9eadc; --iso-a2: #8fd0b4; --iso-a3: #55b08c;
  --iso-line: #2c3031;
}
[data-c="saffron"] { --iso-a1: #fde3cc; --iso-a2: #f7bd8a; --iso-a3: #ec9550; }

/* A · Dockyard (isometric line) */
.dock-fig { margin: 0; }
.dock-svg { width: 100%; height: auto; display: block; overflow: visible; }
.dock-svg .bx polygon { stroke: var(--iso-line); stroke-width: 1; stroke-linejoin: round; }
.dock-svg .grid line { stroke: #d9d7cf; stroke-width: 1; }
.dock-svg .belt { stroke: #565c5d; stroke-width: 1; }
.dock-svg .etch { stroke: #a8a49a; stroke-width: 1.5; stroke-linecap: round; }
.dock-svg .spk { fill: var(--accent); }
.dock-svg .led { fill: var(--glow); }
.dock-svg .psn { fill: var(--accent); stroke: var(--iso-line); stroke-width: 1; }
.dock-svg .wave { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
.dock-svg .loop { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-dasharray: 5 5; }
.dock-svg .arrh { fill: var(--accent); }
.dock-svg .call line { stroke: #8d8a81; stroke-width: 1; }
.dock-svg .num { fill: var(--ink); }
.dock-svg .numt { fill: #fff; font: 700 11.5px/1 var(--sans); }
.dock-svg .tip { fill: #8d8a81; }
.dock-svg .t1 { font: 600 15px/1 var(--sans); fill: var(--ink); }
.dock-svg .t2 { font: 400 13.5px/1 var(--sans); fill: var(--muted); }
.dock-svg .item { animation: ride 18.2s linear infinite; animation-delay: var(--d); }
@keyframes ride { from { transform: translate(0, 0); opacity: 0; } 3% { opacity: 1; } 94% { opacity: 1; } to { transform: translate(var(--dx), var(--dy)); opacity: 0; } }
.dock-key { display: none; }
@media (max-width: 860px) {
  .dock-svg .lbl, .dock-svg .call line { display: none; }
  .dock-svg .num { r: 15; }
  .dock-svg .numt { font-size: 15px; }
  .dock-key { display: grid; list-style: none; margin: 18px 0 0; padding: 0; gap: 0; counter-reset: k; }
  .dock-key li { counter-increment: k; display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 10px 0; border-top: 1px solid var(--rule); font-size: 15.5px; color: var(--ink-2); }
  .dock-key li::before { content: counter(k); width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font: 700 12px/22px var(--sans); text-align: center; }
  .dock-key li b { color: var(--ink); font-weight: 600; }
  .dock-fig { overflow: hidden; }
  .dock-svg { width: 128%; margin: 0 -10% 0 -18%; }
}
@media (prefers-reduced-motion: reduce) {
  .dock-svg .item { animation: none; transform: translate(calc(var(--dx) * var(--p, .5)), calc(var(--dy) * var(--p, .5))); }
}
.dock-svg .ftx { font-family: var(--sans); font-weight: 600; letter-spacing: .14em; fill: #77736a; }
.dock-svg .ftx.lv { fill: var(--accent-ink); }
.legend .la2 { background: var(--iso-n1); box-shadow: inset 0 0 0 1px var(--iso-line); }
.legend .lw { background: var(--iso-a2); box-shadow: inset 0 0 0 1px var(--iso-line); }
.legend .lm { background: var(--iso-s1); box-shadow: inset 0 0 0 1px #b9b5ab; }

/* A · platform list with isometric scenes */
.pl { display: grid; grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr); gap: 24px; align-items: start; }
.pl-art { overflow: hidden; position: sticky; top: 100px; background: var(--surface); border-radius: 18px; padding: 18px 18px 6px; border: 1px solid var(--rule); }
.pl-art .pl-cap { font: 600 12px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pl-vig[hidden] { display: none; }
.pl-list { display: grid; border-top: 1px solid var(--ink); }
.pl-item { all: unset; cursor: pointer; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 4px 8px; padding: 22px 20px 22px 16px; border-bottom: 1px solid var(--rule); border-left: 3px solid transparent; }
.pl-item:hover { background: rgba(255, 255, 255, .35); }
.pl-item:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.pl-item[aria-selected="true"] { background: var(--surface); border-left-color: var(--accent); }
.pl-n { grid-row: span 2; font: 600 13px/1.9 var(--sans); color: var(--muted); }
.pl-t { font: 500 clamp(24px, 2.2vw, 30px)/1.15 var(--serif); }
.pl-k { font: 600 12px/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); }
.pl-b, .pl-e { grid-column: 2; display: none; }
.pl-b { color: var(--ink-2); margin-top: 8px; }
.pl-e { font: italic 500 19px/1.35 var(--serif); margin-top: 6px; }
.pl-item[aria-selected="true"] .pl-b, .pl-item[aria-selected="true"] .pl-e { display: block; }

/* B · stack */
.stack { margin: 0; display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; gap: 0 14px; }
.rail { position: relative; display: grid; place-items: center; }
.rail::before { content: ""; position: absolute; top: 8px; bottom: 8px; left: 50%; border-left: 1.5px dashed #9c998f; }
.rail::after { content: ""; position: absolute; left: calc(50% - 6px); border: 6px solid transparent; }
.rail.down::after { bottom: 0; border-top: 9px solid var(--accent); border-bottom: 0; }
.rail.up::after { top: 0; border-bottom: 9px solid var(--ink); border-top: 0; }
.rail span { position: relative; writing-mode: vertical-rl; transform: rotate(180deg); background: var(--bg); padding: 10px 0; font: 600 12px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.rail.down span { color: var(--accent-ink); }
.layers { display: grid; gap: 8px; }
.ly { position: relative; display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 8px 20px; align-items: center; padding: 14px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--rule); }
.ly .lh b { display: block; font: 500 21px/1.2 var(--serif); }
.ly .lh span { font-size: 14px; color: var(--muted); line-height: 1.4; display: block; }
.ly .lc { display: flex; flex-wrap: wrap; gap: 6px; }
.ly.you { border: 1.5px solid var(--accent); }
.ly.leads { background: var(--iso-a1); border-color: var(--iso-a2); }
.ly.gates { border: 1.5px dashed var(--iso-a3); }
.ly.bots { background: var(--con); border-color: var(--con); color: var(--con-fg); padding-right: 130px; }
.ly.bots .lh span { color: var(--con-mut); }
.ly.mem { background: var(--iso-s1); border-color: #cfccc3; }
.ly.ext { background: transparent; border: 1.5px dashed #b9b5ab; }
.sc, .sh, .sa, .sg { display: inline-flex; align-items: center; gap: 7px; font: 500 13.5px/1 var(--sans); padding: 8px 11px; border-radius: 8px; white-space: nowrap; }
.sc { background: var(--bg); box-shadow: inset 0 0 0 1px var(--rule); color: var(--ink-2); }
.ly.mem .sc { background: var(--surface); }
.sh { background: var(--surface); box-shadow: inset 0 0 0 1px var(--iso-a3); color: var(--ink); }
.sh svg { color: var(--accent-ink); }
.sa { background: var(--con-3); box-shadow: inset 0 0 0 1px var(--con-line); color: var(--con-fg); }
.sa svg { color: var(--glow); }
.sg { background: var(--bg); color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--rule); }
.sg i { font-style: normal; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font: 700 11px/1 var(--sans); }
.live { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); display: inline-flex; align-items: center; gap: 8px; font: 600 12px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--glow); }
.live em { width: 8px; height: 8px; border-radius: 50%; background: var(--glow); animation: pulse 1.8s ease-out infinite; }

/* C · the day */
.day { margin: 0; }
.day-scroll { overflow-x: auto; scrollbar-width: thin; padding-bottom: 6px; }
.tl { position: relative; min-width: 940px; display: grid; grid-template-columns: 170px repeat(48, minmax(0, 1fr)); grid-template-rows: 30px 86px 86px 54px; row-gap: 8px; }
.ticks { grid-column: 2 / -1; grid-row: 1; position: relative; border-bottom: 1px solid var(--ink); }
.ticks span { position: absolute; left: calc(var(--s) / 48 * 100%); bottom: 8px; transform: translateX(-50%); font: 500 12.5px/1 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; }
.ticks span:first-child { transform: none; }
.ticks span:last-child { transform: translateX(-100%); }
.night { grid-row: 1 / 5; grid-column: calc(var(--s) + 2) / calc(var(--e) + 2); background: rgba(22, 25, 26, .07); border-radius: 12px; position: relative; z-index: 0; }
.night span { position: absolute; top: 6px; left: 29%; transform: translateX(-50%); font: 600 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); background: var(--bg); padding: 4px 8px; border-radius: 99px; }
.lane-h { grid-column: 1; display: grid; align-content: center; gap: 2px; padding-right: 12px; z-index: 1; }
.lane-h svg { color: var(--accent-ink); }
.lane-h.a svg { color: var(--ink); }
.lane-h b { font: 500 21px/1.1 var(--serif); }
.lane-h span { font-size: 13.5px; color: var(--muted); }
.lane-h.p { grid-row: 2; } .lane-h.a { grid-row: 3; } .lane-h.m { grid-row: 4; }
.lane { grid-column: 2 / -1; display: grid; grid-template-columns: repeat(48, minmax(0, 1fr)); gap: 0; z-index: 1; position: relative; }
.lane.p { grid-row: 2; } .lane.a { grid-row: 3; } .lane.m { grid-row: 4; }
.blk { grid-row: 1; grid-column: calc(var(--s) + 1) / calc(var(--e) + 1); margin: 6px 2px; border-radius: 10px; padding: 10px 12px; display: grid; align-content: center; gap: 2px; min-width: 0; overflow: hidden; transition: box-shadow .2s, transform .2s; }
.blk b { font: 600 13.5px/1.25 var(--sans); }
.blk span { font-size: 12.5px; line-height: 1.3; opacity: .78; }
.blk.hp { background: var(--iso-a1); box-shadow: inset 0 0 0 1.5px var(--iso-a3); color: var(--ink); }
.blk.ha { background: var(--con); color: var(--con-fg); }
.blk.ha span { color: var(--con-mut); opacity: 1; }
.blk.off { background: transparent; border: 1.5px dashed #b9b5ab; color: var(--muted); text-align: center; }
.blk.next b { font-size: 13px; }
.blk.is-now { box-shadow: 0 0 0 2px var(--accent), 0 10px 24px -12px rgba(0, 0, 0, .4); transform: translateY(-2px); }
.blk.hp.is-now { box-shadow: inset 0 0 0 1.5px var(--iso-a3), 0 0 0 2px var(--accent), 0 10px 24px -12px rgba(0, 0, 0, .4); }
.hand { grid-row: 2 / 4; grid-column: calc(var(--s) + 2); position: relative; z-index: 2; pointer-events: none; }
.hand::before { content: ""; position: absolute; left: -1px; top: 44%; bottom: 44%; border-left: 2px dashed var(--accent); }
.hand::after { content: ""; position: absolute; left: -5px; top: 56%; border: 5px solid transparent; border-top: 7px solid var(--accent); }
.mem-bar { grid-column: 1 / -1; margin: 6px 2px; border-radius: 10px; background: var(--iso-s1); box-shadow: inset 0 0 0 1px #cfccc3; display: flex; align-items: center; padding: 0 14px; font-size: 14px; color: var(--ink-2); background-image: radial-gradient(circle, #a8a49a 1.5px, transparent 2px); background-size: 28px 100%; background-position: 14px 50%; }
.mem-bar span { background: var(--iso-s1); padding: 4px 8px; border-radius: 6px; }
.now { grid-row: 1 / 5; grid-column: 2 / -1; position: relative; z-index: 3; pointer-events: none; }
.now::before { content: ""; position: absolute; top: 26px; bottom: 0; left: calc(var(--t, .71) * 100%); border-left: 2px solid var(--ink); }
.now span { position: absolute; top: 0; left: calc(var(--t, .71) * 100%); transform: translateX(-50%); background: var(--ink); color: #fff; font: 600 12px/1 var(--sans); padding: 5px 7px; border-radius: 6px; font-variant-numeric: tabular-nums; }
.day-cap { margin-top: 18px; text-align: center; font-size: 17px; color: var(--ink-2); }
.day-cap b { font-weight: 500; color: var(--ink); }

@media (max-width: 1000px) {
  .pl { grid-template-columns: minmax(0, 1fr); }
  .pl-art { position: static; }
  .ly { grid-template-columns: minmax(0, 1fr); }
  .ly.bots { padding-right: 18px; }
  .live { position: static; transform: none; }
}
@media (max-width: 720px) {
  .stack { grid-template-columns: 26px minmax(0, 1fr); gap: 0 8px; }
  .rail.up { display: none; }
  .rail span { font-size: 10.5px; }
  .ly { padding: 12px; }
  .sc, .sh, .sa, .sg { font-size: 12.5px; padding: 7px 9px; }
  .sg { white-space: normal; line-height: 1.3; }
  .day-scroll { -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .live em { animation: none; }
  .blk { transition: none; }
}

.day-m { display: none; }
@media (max-width: 720px) {
  .day-scroll { display: none; }
  .day-m { display: grid; list-style: none; margin: 0; padding: 0; position: relative; }
  .day-m::before { content: ""; position: absolute; left: 61px; top: 10px; bottom: 10px; border-left: 2px solid var(--rule); }
  .day-m li { display: grid; grid-template-columns: 48px 26px minmax(0, 1fr); align-items: start; padding: 10px 8px 10px 0; border-radius: 10px; position: relative; }
  .day-m li.nt { background: rgba(22, 25, 26, .07); }
  .day-m time { font: 600 13px/1.5 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; padding-right: 2px; }
  .day-m li::after { content: ""; position: absolute; left: 56px; top: 15px; width: 12px; height: 12px; border-radius: 50%; }
  .day-m li.p::after { background: var(--iso-a1); box-shadow: inset 0 0 0 2px var(--iso-a3); }
  .day-m li.a::after { background: var(--con); }
  .day-m span { grid-column: 3; font-size: 15.5px; color: var(--ink-2); line-height: 1.4; }
  .day-m b { display: block; font: 600 12px/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); }
  .day-m li.p b { color: var(--accent-ink); }
}
[data-c="bottle"] { --iso-a1: #d3e6dc; --iso-a2: #9cc5b0; --iso-a3: #4f8a71; }
[data-c^="braun"] { --iso-a1: #fbe0d6; --iso-a2: #f3b39d; --iso-a3: #e4572e; }
[data-c="braun-blue"] { --iso-a1: #dde9f6; --iso-a2: #a8c6e8; --iso-a3: #2364aa; }
[data-c="braun-green"] { --iso-a1: #d7eee2; --iso-a2: #a0d5bb; --iso-a3: #1e8158; }
[data-c="braun-indigo"] { --iso-a1: #e1e2f7; --iso-a2: #b2b5ea; --iso-a3: #3b3fa8; }
[data-c="braun-petrol"] { --iso-a1: #d9eef3; --iso-a2: #9fd0dd; --iso-a3: #12708a; }