/* issue 193 場景 illumio-segment：分割擴散模擬。深色舞台，只讀官網 token 與 --accent*；沒有 JS 時停在 data-seg="on" 的結束狀態。 */
.page-blocks .ils { position: relative; max-width: 40rem; margin-inline: auto; padding: clamp(1rem, 2.4vw, 1.75rem); border: 1px solid var(--on-dark-line); border-radius: var(--r-card); background: var(--deeper); color: var(--paper); box-shadow: var(--elevation-card); }
.page-blocks .ils-top { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: .5rem 1rem; margin-bottom: 1rem; }
.page-blocks .ils-badge { color: var(--accent-dark); font-size: .8125rem; font-weight: 700; letter-spacing: .12em; }
.page-blocks .ils-state { max-width: 80%; margin-left: auto; min-height: 3em; text-align: right; font-size: 1rem; font-weight: 700; line-height: 1.5; }
.page-blocks .ils-state b { color: var(--accent-dark); font-variant-numeric: tabular-nums; }
.page-blocks .ils-board { position: relative; display: grid; grid-template-columns: repeat(8, 1fr); gap: clamp(.25rem, .6vw, .5rem); touch-action: manipulation; }
.page-blocks .ils-board[data-w="2"] { grid-template-columns: repeat(2, 1fr); }
.page-blocks .ils-board[data-w="3"] { grid-template-columns: repeat(3, 1fr); }
.page-blocks .ils-board[data-w="4"] { grid-template-columns: repeat(4, 1fr); }
.page-blocks .ils-board[data-w="5"] { grid-template-columns: repeat(5, 1fr); }
.page-blocks .ils-board[data-w="6"] { grid-template-columns: repeat(6, 1fr); }
.page-blocks .ils-board[data-w="7"] { grid-template-columns: repeat(7, 1fr); }
.page-blocks .ils-board[data-w="9"] { grid-template-columns: repeat(9, 1fr); }
.page-blocks .ils-board[data-w="10"] { grid-template-columns: repeat(10, 1fr); }
.page-blocks .ils-board[data-w="11"] { grid-template-columns: repeat(11, 1fr); }
.page-blocks .ils-board[data-w="12"] { grid-template-columns: repeat(12, 1fr); }
.page-blocks .ils-board[data-w="13"] { grid-template-columns: repeat(13, 1fr); }
.page-blocks .ils-board[data-w="14"] { grid-template-columns: repeat(14, 1fr); }
.page-blocks .ils-board[data-w="15"] { grid-template-columns: repeat(15, 1fr); }
.page-blocks .ils-board[data-w="16"] { grid-template-columns: repeat(16, 1fr); }
.page-blocks .ils-cell { all: unset; box-sizing: border-box; position: relative; min-width: 0; aspect-ratio: 4 / 3; border: 1px solid var(--on-dark-line); border-radius: clamp(.3rem, .8vw, .6rem); background: color-mix(in srgb, var(--paper) 7%, var(--deeper)); transition: background var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), border-color var(--dur-base); }
html.js .page-blocks .ils-cell { cursor: pointer; }
/* 格子是 4:3，圓點用寬度加 aspect-ratio 固定正圓，不隨格寬拉成橢圓。 */
.page-blocks .ils-cell::after { content: ""; position: absolute; left: 50%; top: 50%; width: 34%; aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; background: color-mix(in srgb, var(--paper) 24%, var(--deeper)); transition: background .3s; }
.page-blocks .ils-cell:hover:not(:disabled) { transform: scale(1.08); border-color: var(--accent-dark); }
.page-blocks .ils-cell:focus-visible { outline: 3px solid var(--paper); outline-offset: 2px; z-index: 2; }
.page-blocks .ils-cell.hit { border-color: var(--accent); background: var(--accent); }
.page-blocks .ils-cell.hit::after { background: var(--accent-on); }
.page-blocks .ils-cell.would { border: 2px dashed var(--accent-dark); background: color-mix(in srgb, var(--accent) 35%, var(--deeper)); }
.page-blocks .ils-cell.would::after { background: var(--paper); }
.page-blocks .ils-cell.pulse { animation: ils-pulse .6s var(--ease); }
@keyframes ils-pulse { 0% { transform: scale(.82); } 55% { transform: scale(1.12); } 100% { transform: scale(1); } }
.page-blocks .ils-walls { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.page-blocks .ils-walls line { stroke: var(--paper); stroke-width: 5; stroke-linecap: round; vector-effect: non-scaling-stroke; opacity: 0; transition: opacity .6s var(--ease); }
.page-blocks .ils[data-seg="on"] .ils-walls line { opacity: 1; }
.page-blocks .ils[data-mode="draft"] .ils-walls line { stroke: var(--accent-dark); stroke-width: 3; stroke-dasharray: 8 6; stroke-linecap: butt; }
.page-blocks .ils-legend { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin: 1rem 0 0; padding: 0; list-style: none; color: var(--muted-on-dark); font-size: .875rem; }
.page-blocks .ils-legend li { display: inline-flex; align-items: center; gap: .5rem; }
.page-blocks .ils-sw { display: inline-block; width: .875rem; height: .875rem; border-radius: .25rem; }
.page-blocks .ils-sw--hit { background: var(--accent); }
.page-blocks .ils-sw--ok { border: 1px solid var(--muted-on-dark); background: color-mix(in srgb, var(--paper) 7%, var(--deeper)); }
.page-blocks .ils-sw--wall { width: .25rem; height: 1rem; border-radius: .125rem; background: var(--paper); }
.page-blocks .ils-ctl { display: flex; flex-wrap: wrap; gap: .625rem; margin-top: 1.125rem; }
html:not(.js) .page-blocks .ils-ctl { display: none; }
.page-blocks .ils-btn { all: unset; box-sizing: border-box; display: inline-flex; align-items: center; gap: .625rem; min-height: 2.75rem; padding: 0 1.125rem; border: 2px solid var(--on-dark-line); border-radius: var(--r-pill); color: var(--paper); font-size: .9375rem; font-weight: 600; cursor: pointer; transition: border-color var(--dur-fast), background var(--dur-fast); }
.page-blocks .ils-btn:hover { border-color: var(--paper); }
.page-blocks .ils-btn:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }
.page-blocks .ils-btn[data-mode-set] { border-style: dashed; color: var(--muted-on-dark); font-weight: 500; }
.page-blocks .ils-btn[data-mode-set][aria-pressed="true"] { border-style: solid; border-color: var(--accent); background: var(--accent); color: var(--accent-on); font-weight: 700; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
.page-blocks .ils-btn[data-mode-set][aria-pressed="true"]::before { content: "\2713"; font-weight: 700; }
.page-blocks .ils-switch[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 28%, var(--deeper)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
.page-blocks .ils-switch { padding-right: .375rem; border-color: var(--paper); font-weight: 700; }
.page-blocks .ils-sw-knob { position: relative; box-sizing: border-box; width: 3.5rem; height: 1.75rem; border: 2px solid var(--accent-dark); border-radius: var(--r-pill); background: transparent; transition: background .3s, border-color .3s; }
.page-blocks .ils-sw-knob::before { content: attr(data-off); position: absolute; right: .5rem; top: 50%; translate: 0 -50%; color: var(--paper); font-size: .75rem; font-weight: 700; line-height: 1; }
.page-blocks .ils-sw-knob::after { content: ""; position: absolute; left: .125rem; top: .125rem; width: 1.25rem; height: 1.25rem; border-radius: 50%; background: var(--accent-dark); transition: transform .3s var(--ease), background .3s; }
.page-blocks .ils-switch:hover .ils-sw-knob { border-color: var(--paper); }
.page-blocks .ils-switch[aria-pressed="true"] .ils-sw-knob { border-color: var(--accent); background: var(--accent); }
.page-blocks .ils-switch[aria-pressed="true"] .ils-sw-knob::before { content: attr(data-on); right: auto; left: .5rem; color: var(--accent-on); }
.page-blocks .ils-switch[aria-pressed="true"] .ils-sw-knob::after { background: var(--accent-on); transform: translateX(1.75rem); }
.page-blocks .ils-cap { margin: 1rem 0 0; color: var(--muted-on-dark); font-size: .875rem; letter-spacing: .04em; }
@media (min-width: 56rem) {
  .page-blocks .ils { display: grid; grid-template-columns: minmax(0, 1fr) 15rem; grid-template-areas: "board top" "board legend" "board ctl" "board cap"; grid-template-rows: auto auto auto 1fr; align-items: start; column-gap: 1.75rem; max-width: none; }
  .page-blocks .ils-board { grid-area: board; }
  .page-blocks .ils-top { grid-area: top; flex-direction: column; margin-bottom: .75rem; }
  .page-blocks .ils-state { max-width: 100%; margin-left: 0; min-height: 6em; text-align: left; }
  .page-blocks .ils-legend { grid-area: legend; flex-direction: column; margin-top: 0; }
  .page-blocks .ils-ctl { grid-area: ctl; flex-direction: column; align-items: flex-start; }
  .page-blocks .ils-cap { grid-area: cap; align-self: end; }
}
/* issue 374：開始模擬的步驟條放在最上面一整列（寬版網格要多一列）。 */
@media (min-width: 56rem) {
  .page-blocks .ils:has(> .sg-steps) { grid-template-areas: "steps steps" "board top" "board legend" "board ctl" "board cap"; grid-template-rows: auto auto auto auto 1fr; }
  .page-blocks .ils > .sg-steps { grid-area: steps; }
}
@media (max-width: 30rem) {
  .page-blocks .ils-top { flex-direction: column; gap: .375rem; }
  .page-blocks .ils-state { max-width: 100%; margin-left: 0; min-height: 3em; text-align: left; }
  .page-blocks .ils-cell { aspect-ratio: 1 / 1; }
}
/* 放在頁首右側（約 560px 欄寬）：不論視窗多寬都維持單欄堆疊，狀態句與徽章同列。 */
.page-blocks.hero-aside .ils { display: block; max-width: none; padding: clamp(.875rem, 2vw, 1.25rem); }
.page-blocks.hero-aside .ils-top { flex-direction: row; margin-bottom: .75rem; }
.page-blocks.hero-aside .ils-state { max-width: 80%; min-height: 3em; margin-left: auto; text-align: right; font-size: .9375rem; }
.page-blocks.hero-aside .ils-legend { flex-direction: row; margin-top: .875rem; }
.page-blocks.hero-aside .ils-ctl { flex-direction: row; align-items: center; margin-top: .875rem; }
@media (max-width: 30rem) { .page-blocks.hero-aside .ils-top { flex-direction: column; } .page-blocks.hero-aside .ils-state { max-width: 100%; margin-left: 0; text-align: left; } }
@media (prefers-reduced-motion: reduce) {
  .page-blocks :is(.ils-cell, .ils-walls line, .ils-sw-knob, .ils-sw-knob::after, .ils-btn) { transition: none; }
  .page-blocks .ils-cell.pulse { animation: none; }
}
html[data-motion="off"] .page-blocks :is(.ils-cell, .ils-walls line, .ils-sw-knob, .ils-sw-knob::after, .ils-btn) { transition: none; }
html[data-motion="off"] .page-blocks .ils-cell.pulse { animation: none; }