/* PLC Ladder Logic: page styles layered on ../game.css */

:root {
  --addr-I: var(--info);
  --addr-Q: var(--accent);
  --addr-M: #c3a6ff;
  --addr-T: #6fd6c9;
  --addr-C: #6fd6c9;
  --wire: #4a5868;
  --well: #0f141a;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.bar-meta { font: 13px var(--mono); color: var(--muted); }
.bar-meta b { color: var(--accent); font-weight: 600; }

.plc-main { align-items: flex-start; }
.plc-stage {
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 12px;
}

.btn-small { padding: 6px 9px; font-size: 12px; }
.btn-icon { padding: 6px 10px; font-size: 16px; line-height: 1; }

/* ---------- level select ---------- */

.level-row {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}
.lvl {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px 4px 7px;
  min-height: 52px;
}
.lvl .n { font: 600 15px/1 var(--mono); }
.lvl .stars { font-size: 12px; line-height: 1; letter-spacing: 1px; color: var(--accent); }
.lvl .stars .off { color: #3a4452; }
.lvl .sub { font: 10px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.lvl svg { width: 12px; height: 12px; fill: none; stroke: var(--muted); stroke-width: 1.6; }
.lvl[aria-current="true"] {
  border-color: var(--accent);
  background: #241b07;
  box-shadow: inset 0 0 0 1px var(--accent);
}
.lvl:disabled { opacity: .45; }

/* ---------- task card ---------- */

.task { display: grid; gap: 10px; }
.task-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.task-kicker {
  font: 12px var(--mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
}
.panel .task-title {
  margin: 0;
  font: 650 20px/1.25 var(--sans);
  color: var(--text);
  text-transform: none;
  letter-spacing: .005em;
}
.panel .task-brief { margin: 0; color: #c9d1db; font-size: 15px; max-width: 80ch; }
.tag-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--well);
  border-radius: 999px;
  padding: 2px 10px;
}
.chip code { font: 600 12px var(--mono); }
.chip em { font-style: normal; font-size: 11px; color: #64717f; }
.task-actions { margin-top: 2px; }
.hint {
  border-left: 3px solid var(--accent);
  background: #19140a;
  border-radius: 6px;
  padding: 10px 12px;
  color: #eadfc6;
  font-size: 14px;
  animation: fade-in .25s ease-out;
}

/* address colours, shared by HTML and SVG */
code.a-I, .watch-table .a-I { color: var(--addr-I); }
code.a-Q, .watch-table .a-Q { color: var(--addr-Q); }
code.a-M, .watch-table .a-M { color: var(--addr-M); }
code.a-T, .watch-table .a-T { color: var(--addr-T); }
code.a-C, .watch-table .a-C { color: var(--addr-C); }

/* ---------- workbench layout ---------- */

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
/* Editor and machine side by side on wide screens. Below that, and for wide
   ladders (sandbox), the machine sits under the editor with the plant and the
   operator panel next to each other. */
@media (min-width: 1360px) {
  .workbench:not(.stacked) { grid-template-columns: minmax(0, 1.12fr) minmax(340px, 1fr); }
}
.machine-head { grid-area: head; }
.machine canvas.plant { grid-area: plant; }
.machine .replay-bar { grid-area: replay; }
.machine .op-panel { grid-area: ops; }
@media (min-width: 1100px) and (max-width: 1359.98px) {
  .machine {
    display: grid;
    grid-template-columns: minmax(0, 700px) minmax(240px, 1fr);
    grid-template-areas: "head head" "plant ops" "replay ops";
    column-gap: 12px;
    align-items: start;
  }
  .machine .op-panel { margin-top: 0; align-self: stretch; align-content: flex-start; }
}
@media (min-width: 1360px) {
  .workbench.stacked .machine {
    display: grid;
    grid-template-columns: minmax(0, 700px) minmax(240px, 1fr);
    grid-template-areas: "head head" "plant ops" "replay ops";
    column-gap: 12px;
    align-items: start;
  }
  .workbench.stacked .machine .op-panel { margin-top: 0; align-self: stretch; align-content: flex-start; }
}

.editor-head, .machine-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.editor-head h2, .machine-head h2 { margin: 0; }
.editor-head .count { margin-left: auto; font: 12px var(--mono); color: var(--muted); }
.editor-head .count b { color: var(--text); font-weight: 600; }
.editor-head .count .stars { color: var(--accent); letter-spacing: 1px; }
.editor-head .count .stars .off { color: #3a4452; }

/* ---------- palette & address picker ---------- */

.editor { container-type: inline-size; }
.palette { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 6px; }
@container (max-width: 560px) {
  .palette { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
.tool {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 0;
  padding: 8px 4px 7px;
}
.tool svg {
  width: 30px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  overflow: visible;
}
.tool svg .fill { fill: currentColor; stroke: none; }
.tool svg text { fill: currentColor; stroke: none; font: 700 7.5px var(--mono); }
.tool .tl { font: 600 11px/1 var(--sans); }
.tool .k {
  position: absolute;
  top: 3px;
  right: 4px;
  font: 9px/1 var(--mono);
  color: #64717f;
}
.tool[aria-pressed="true"] .k { color: #4a3600; }

.picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 10px;
  padding: 8px 10px;
  min-height: 48px;
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.picker-label {
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
}
.picker-note { font-size: 13px; color: var(--muted); }
.addr-btn { display: inline-flex; align-items: baseline; gap: 6px; padding: 6px 9px; }
.addr-btn code { font: 600 12px var(--mono); }
.addr-btn span { font-size: 12px; color: var(--muted); }
.addr-btn[aria-pressed="true"] code,
.addr-btn[aria-pressed="true"] span { color: #111; }
.preset-btn { font-family: var(--mono); padding: 6px 8px; }

/* ---------- ladder (SVG) ---------- */

.ladder-wrap {
  margin-top: 10px;
  background: #07090c;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  transition: border-color .15s;
}
.ladder-wrap:focus-within { border-color: var(--accent-dim); }
.ladder {
  display: block;
  width: 100%;
  max-width: calc(var(--natural-w, 600px) * 1.25);
  height: auto;
  margin: 0 auto;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: crosshair;
  outline: none;
}
@media (max-width: 560px) {
  .ladder { min-width: calc(var(--natural-w, 600px) * .6); }
}

.ladder .rung-no { font: 11px var(--mono); fill: #4d5a6a; }
.ladder .slot { stroke: #1d252f; stroke-width: 2; stroke-dasharray: 2 7; stroke-linecap: round; }
.ladder .seg path { fill: none; stroke-linecap: round; }
.ladder .seg .glow { stroke: transparent; stroke-width: 10; }
.ladder .seg .wire { stroke: var(--wire); stroke-width: 2.5; }
.ladder .seg .rail { stroke: #5b6b7f; stroke-width: 5; }
.ladder .rail-r { fill: none; stroke: #3a4655; stroke-width: 5; stroke-linecap: round; }
.ladder .seg .flow { stroke: transparent; stroke-width: 2; stroke-dasharray: 2 12; }
.ladder .seg.tail .wire { stroke: #364250; }
.ladder .seg .dot { fill: var(--wire); }
.ladder .seg.pw .glow { stroke: rgba(61, 220, 132, .2); }
.ladder .seg.pw .wire,
.ladder .seg.pw .rail { stroke: var(--ok); }
.ladder .seg.pw .dot { fill: var(--ok); }
.ladder .seg.pw .flow { stroke: rgba(226, 255, 238, .85); animation: lad-flow .7s linear infinite; }
@keyframes lad-flow { to { stroke-dashoffset: -14; } }

.ladder .sym { fill: none; stroke: #c3cdd8; stroke-width: 2.5; stroke-linecap: round; }
.ladder .sym-fill { fill: transparent; }
.ladder .cell.on .sym { stroke: var(--ok); }
.ladder .cell.on .sym-fill { fill: rgba(61, 220, 132, .26); }
.ladder .lbl-name { font: 600 12.5px var(--sans); fill: var(--text); }
.ladder .lbl-addr, .ladder .box-addr { font: 500 11.5px var(--mono); }
.ladder .a-I { fill: var(--addr-I); }
.ladder .a-Q { fill: var(--addr-Q); }
.ladder .a-M { fill: var(--addr-M); }
.ladder .a-T { fill: var(--addr-T); }
.ladder .a-C { fill: var(--addr-C); }
.ladder .coil-letter { font: 700 12px var(--mono); fill: #c3cdd8; }
.ladder .cell.on .coil-letter { fill: var(--ok); }
.ladder .box { fill: #111820; stroke: #5b6b7f; stroke-width: 2; }
.ladder .box-div { stroke: #26303c; stroke-width: 1.5; }
.ladder .box-title { font: 700 11px var(--mono); fill: var(--muted); }
.ladder .box-val { font: 10.5px var(--mono); fill: var(--text); }
.ladder .bar-bg { fill: #222b36; }
.ladder .bar { fill: var(--info); }
.ladder .cell.on .box { stroke: var(--ok); fill: rgba(61, 220, 132, .08); }
.ladder .cell.on .bar { fill: var(--ok); }

.ladder .hover { fill: rgba(255, 176, 0, .06); stroke: rgba(255, 176, 0, .5); stroke-width: 1.5; }
.ladder .hover.bad { fill: rgba(255, 92, 92, .07); stroke: rgba(255, 92, 92, .55); }
.ladder .ghost { opacity: .8; }
.ladder .ghost .sym { stroke: var(--accent); }
.ladder .ghost .wire { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-dasharray: 5 4; }
.ladder .ghost-back { fill: rgba(7, 9, 12, .86); }
.ladder .erase-x { stroke: var(--err); stroke-width: 2.5; stroke-linecap: round; }
.ladder .branch-ghost { stroke: var(--accent); stroke-width: 3; stroke-dasharray: 6 5; }
.ladder .branch-ghost.remove { stroke: var(--err); }
.ladder .branch-dot { fill: var(--accent); }
.ladder .cursor { display: none; fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 4; }
.ladder:focus-visible .cursor, .ladder.kbd-focus .cursor { display: block; }
.ladder .pop { animation: lad-pop .24s ease-out; transform-box: fill-box; transform-origin: center; }
@keyframes lad-pop { from { transform: scale(.82); opacity: .25; } }

.ladder .warn-box { fill: rgba(255, 176, 0, .06); stroke: rgba(255, 176, 0, .7); stroke-width: 1.5; stroke-dasharray: 4 4; }
.lint { margin: 8px 0 0; font: 12.5px/1.5 var(--mono); color: var(--accent); white-space: pre-line; }
.lint[hidden] { display: none; }

.toast-line { margin: 8px 0 0; }
.toast-line.ok { color: var(--ok); }
.toast-line.err { color: var(--err); }
.toast-line.info { color: var(--muted); }

/* ---------- plant & operator panel ---------- */

.machine-state { margin-left: auto; font: 12px var(--mono); color: var(--muted); }
.machine-state.err { color: var(--err); }
.plc-stage canvas.plant {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  touch-action: auto;
  image-rendering: auto;
}

.replay-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 7px 8px 7px 10px;
  border-radius: 8px;
  border: 1px solid #1f3a4f;
  background: #0d1822;
  font: 12px/1.4 var(--mono);
  color: var(--info);
}
.replay-bar[hidden] { display: none; }
.replay-bar .rp-text { flex: 1; color: var(--text); min-width: 0; }
.replay-bar .rp-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--info); flex: none; }
.replay-bar.running .rp-dot { animation: blink 1s steps(2, start) infinite; }
.replay-bar.pass { border-color: #1d4d33; background: #0d1a13; }
.replay-bar.pass .rp-dot { background: var(--ok); }
.replay-bar.fail { border-color: #5a2626; background: #1c0f10; }
.replay-bar.fail .rp-dot { background: var(--err); }
@keyframes blink { to { visibility: hidden; } }

.op-panel {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 12px 16px;
  margin-top: 10px;
  padding: 22px 12px 12px;
  border-radius: 10px;
  border: 1px solid #2f3a48;
  background: linear-gradient(180deg, #1e252f, #161c24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
}
.op-panel::before {
  content: "OPERATOR PANEL";
  position: absolute;
  top: 6px;
  left: 10px;
  font: 9px var(--mono);
  letter-spacing: .18em;
  color: #5d6b7c;
}
.op-panel.scripted .op { pointer-events: none; }
.op-panel.scripted::after {
  content: "driven by test";
  position: absolute;
  top: 6px;
  right: 10px;
  font: 9px var(--mono);
  letter-spacing: .12em;
  color: var(--info);
  text-transform: uppercase;
}

.op {
  appearance: none;
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 74px;
  padding: 2px 2px 0;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}
.op:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
.op .bezel {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 38%, #3d4756, #1a1f27 72%);
  box-shadow: 0 2px 0 #0a0d11, inset 0 1px 0 rgba(255, 255, 255, .08);
}
.op .cap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 32%, var(--cap-hi), var(--cap) 58%, var(--cap-lo));
  box-shadow: 0 4px 0 var(--cap-lo), 0 6px 10px rgba(0, 0, 0, .5);
  transform: translateY(-2px);
  transition: transform .06s, box-shadow .06s;
}
.op.pressed .cap {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--cap-lo), inset 0 3px 7px rgba(0, 0, 0, .5);
}
.op.c-green { --cap: #1f9d55; --cap-hi: #6ff0a8; --cap-lo: #0c5a2f; }
.op.c-red { --cap: #c62828; --cap-hi: #ff8585; --cap-lo: #6a1212; }
.op.c-blue { --cap: #1f62b5; --cap-hi: #77b6ff; --cap-lo: #0f3363; }
.op.c-black { --cap: #2d333c; --cap-hi: #7b8591; --cap-lo: #101318; }
.plate {
  font: 700 10.5px/1 var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #d6dde6;
  background: #0d1116;
  border: 1px solid #2f3a48;
  border-radius: 3px;
  padding: 4px 7px;
  white-space: nowrap;
}
.op-io { display: flex; align-items: center; gap: 5px; font: 11px var(--mono); color: var(--muted); }
.op-io .led { width: 8px; height: 8px; }

/* rotary selector switch */
.op .knob {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 45% 32%, #56606e, #1c2128 72%);
  box-shadow: 0 3px 0 #0a0d11, 0 5px 9px rgba(0, 0, 0, .5);
  transform: rotate(-45deg);
  transition: transform .16s ease;
}
.op .knob::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 3px;
  width: 6px;
  height: 19px;
  margin-left: -3px;
  border-radius: 3px;
  background: #e7ebf0;
}
.op[aria-pressed="true"] .knob { transform: rotate(45deg); }
.op .pos { position: absolute; top: 2px; font: 700 9px var(--mono); color: #7b8796; }
.op .pos.p0 { left: 2px; }
.op .pos.p1 { right: 3px; }
.op[aria-pressed="false"] .pos.p0, .op[aria-pressed="true"] .pos.p1 { color: var(--accent); }

/* emergency stop: red mushroom on a yellow plate */
.op.estop .bezel {
  width: 64px;
  height: 64px;
  background: radial-gradient(circle, #ffcc00 0 58%, #b88a00 59% 62%, #ffcc00 63%);
  box-shadow: 0 2px 0 #0a0d11;
}
.op.estop .cap {
  width: 46px;
  height: 46px;
  --cap: #d32020;
  --cap-hi: #ff7070;
  --cap-lo: #6a0f0f;
}
.op.estop[aria-pressed="true"] .cap {
  transform: scale(.88);
  filter: brightness(.82);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, .55);
}

/* plant-driven sensor (read-only) */
.op-sensor {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 74px;
  padding-top: 2px;
}
.op-sensor .body {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  border: 1px dashed #3a4655;
  background: #12171e;
}
.op-sensor .body .led { width: 14px; height: 14px; }
.op-sensor .plate { background: transparent; border-style: dashed; color: var(--muted); }
.op-sensor small { font: 10px var(--mono); color: #5d6b7c; }

/* ---------- side column ---------- */

.verify-btn { width: 100%; padding: 11px 12px; font-size: 14px; }
.verify-out { margin-top: 10px; display: grid; gap: 8px; }
.verify-out .note { margin: 0; font-size: 13px; color: var(--muted); }
.verify-sum {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--well);
}
.verify-sum.pass { border-color: #1d4d33; background: #0c1912; }
.verify-sum.fail { border-color: #4f2323; background: #170d0e; }
.verify-sum .headline { font-weight: 600; }
.verify-sum.pass .headline { color: var(--ok); }
.verify-sum.fail .headline { color: var(--err); }
.verify-sum .detail { font: 12px var(--mono); color: var(--muted); }
.stars-big { font-size: 28px; line-height: 1.1; letter-spacing: 4px; color: var(--accent); }
.stars-big .off { color: #3a4452; }
.stars-big span { display: inline-block; }
.stars-big.pop span { animation: star-pop .45s cubic-bezier(.3, 1.6, .5, 1) both; }
.stars-big.pop span:nth-child(2) { animation-delay: .12s; }
.stars-big.pop span:nth-child(3) { animation-delay: .24s; }
@keyframes star-pop { from { transform: scale(0) rotate(-40deg); opacity: 0; } }
.verify-out.stale .verify-sum, .verify-out.stale .results { opacity: .55; }

.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.results li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto;
  gap: 2px 8px;
  align-items: start;
  padding: 7px 8px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--well);
  font-size: 13px;
}
.results li.reveal { animation: fade-in .3s ease-out both; }
.results .ic { font-weight: 700; line-height: 1.5; }
.results li.pass .ic { color: var(--ok); }
.results li.fail .ic { color: var(--err); }
.results .name { line-height: 1.5; }
.results .msg { grid-column: 2 / -1; font: 11.5px/1.45 var(--mono); color: #ffb3b3; }
.results .btn { padding: 4px 8px; font-size: 11.5px; }
@keyframes fade-in { from { opacity: 0; transform: translateY(4px); } }

.cpu-face {
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #2f3a48;
  background: linear-gradient(180deg, #1b212a, #141920);
}
.cpu-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cpu-model { font: 600 11px var(--mono); color: #c3cdd8; letter-spacing: .04em; }
.cpu-leds { display: flex; gap: 9px; font: 10px var(--mono); color: var(--muted); }
.cpu-leds span { display: inline-flex; align-items: center; gap: 4px; }
.cpu-leds .led { width: 8px; height: 8px; }
.io-row {
  display: grid;
  grid-template-columns: 30px repeat(8, minmax(0, 1fr));
  align-items: end;
  gap: 2px;
  font: 9.5px var(--mono);
  color: #4d5a6a;
}
.io-row .io-name { color: var(--muted); align-self: center; }
.io-row .ch { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.io-row .ch .led { width: 8px; height: 8px; }
.io-row .ch.used { color: #9aa6b5; }

.scan-cycle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3px;
  margin: 10px 0;
  font: 10.5px var(--mono);
  color: var(--muted);
}
.scan-cycle span {
  padding: 4px 6px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--well);
  white-space: nowrap;
}
.scan-cycle i { font-style: normal; color: #4d5a6a; }
.scan-cycle.live span { animation: scan-phase 1.5s infinite; }
.scan-cycle.live span:nth-of-type(2) { animation-delay: .5s; }
.scan-cycle.live span:nth-of-type(3) { animation-delay: 1s; }
@keyframes scan-phase {
  0%, 30% { border-color: #2f7a52; color: var(--text); background: rgba(61, 220, 132, .12); }
  34%, 100% { border-color: var(--line); color: var(--muted); background: var(--well); }
}
.cpu-actions { margin-top: 10px; }
.cpu-actions .btn { flex: 1; }

.watch-table { width: 100%; border-collapse: collapse; font: 12px var(--mono); }
.watch-table th {
  text-align: left;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #5d6b7c;
  padding: 0 4px 4px;
  border-bottom: 1px solid var(--line);
}
.watch-table th:last-child, .watch-table td:last-child { text-align: right; }
.watch-table td { padding: 3px 4px; border-bottom: 1px solid #1a212b; white-space: nowrap; }
.watch-table td:first-child { font-family: var(--sans); color: #c9d1db; overflow: hidden; text-overflow: ellipsis; max-width: 110px; }
.watch-table .v1 { color: var(--ok); }
.watch-table .v0 { color: #5d6b7c; }

.help ul { margin: 0 0 8px; padding-left: 18px; display: grid; gap: 5px; color: var(--muted); font-size: 13.5px; }
.help b { color: var(--text); font-weight: 600; }
.help .btn { margin-top: 4px; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .level-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .game-main { padding: 10px; gap: 10px; }
  .panel { padding: 10px; }
  .op { min-width: 64px; }
  .panel .task-title { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .ladder .seg.pw .flow { animation: none; stroke: transparent; }
  .ladder .pop, .hint, .results li.reveal, .stars-big.pop span, .scan-cycle.live span,
  .replay-bar.running .rp-dot { animation: none; }
}