/*
 * The line reopened (includes/pieces/reopen.php): timetable paper, the law line drawn to scale in
 * time, two enamel "service reduced" boards on legs over it (3D: they lift and tip away), and a
 * semaphore signal at January 2024 whose arm rises to clear. --open spreads the solid line from the
 * signing back to January 2024 and on to now; --sig turns the signal; --lift and --lift2 raise the
 * boards; --retro and --paid show the two brackets.
 */

.ro {
	--law: #7446a6; --open: 1; --sig: 1; --lift: 1; --lift2: 1; --retro: 1; --paid: 1;
	--liney: 76px; --stageh: 340px;
	--paper-a: #fbfaf6; --paper-b: #f3f0e8; --grid: rgba(116, 70, 166, .07);
}
@media (prefers-color-scheme: dark) {
	.ro { --law: #a27bd6; --paper-a: #1b1e22; --paper-b: #17191c; --grid: rgba(162, 123, 214, .09); }
}

.ro__stage { position: relative; height: var(--stageh); overflow: hidden; border-radius: 10px; perspective: 700px; perspective-origin: 50% -30%;
	background: repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 22px), linear-gradient(180deg, var(--paper-a), var(--paper-b));
	box-shadow: inset 0 0 0 1px var(--stone-2); }

/* The line: dashed where service was reduced; solid where it reopened. */
.ro-line { position: absolute; left: 0; right: 0; bottom: var(--liney); height: 12px; }
.ro-line__cut { position: absolute; inset: 3px 0; border-radius: 3px; background: repeating-linear-gradient(90deg, var(--law) 0 12px, transparent 12px 20px); opacity: .55; }
.ro-line__open { position: absolute; top: 0; bottom: 0; left: calc((var(--j5) - var(--open) * (var(--j5) - var(--j24))) * 1%); width: calc(var(--open) * (100 - var(--j24)) * 1%); border-radius: 6px 0 0 6px; background: var(--law); box-shadow: 0 1px 0 rgba(0, 0, 0, .2); }
.ro-line__break { position: absolute; left: 88.5%; top: -7px; width: 9px; height: 26px; transform: skewX(-22deg); background: var(--paper-a); box-shadow: -3px 0 0 var(--law), 3px 0 0 var(--law); opacity: .9; }

/* Stops: ticks across the line, as on a transit map; the step being read is lit. */
.ro-tick { position: absolute; bottom: calc(var(--liney) - 6px); left: calc(var(--x) * 1%); width: 6px; height: 24px; margin-left: -3px; border-radius: 2px; background: var(--paper-a); box-shadow: inset 0 0 0 2px var(--law); transition: height .3s, background-color .3s; }
.ro-tick.is-on { bottom: calc(var(--liney) - 10px); height: 32px; width: 10px; margin-left: -5px; background: var(--signal); box-shadow: inset 0 0 0 2px #15171a; }
.ro-year { position: absolute; bottom: calc(var(--liney) - 38px); left: calc(var(--x) * 1%); transform: translateX(-50%); font: 700 .95rem/1 var(--board-font); letter-spacing: .06em; color: var(--ink-2); }
.ro-year--now { left: auto; right: 4px; transform: none; color: var(--ink); }

/* The brackets over the reopened stretch, each with its plate. */
.ro-bracket { position: absolute; left: calc(var(--j24) * 1%); height: 14px; border: 3px solid var(--law); border-bottom: 0; border-radius: 4px 4px 0 0; transform-origin: 0 100%; }
.ro-bracket--retro { bottom: calc(var(--liney) + 26px); width: calc((var(--j5) - var(--j24)) * 1%); opacity: var(--retro); transform: translateY(calc((1 - var(--retro)) * 10px)); }
.ro-bracket--paid { bottom: calc(var(--liney) + 112px); width: calc((var(--jul7) - var(--j24)) * 1%); opacity: var(--paid); transform: translateY(calc((1 - var(--paid)) * 10px)); }
.ro-bracket__plate { position: absolute; left: 8px; bottom: calc(100% + 6px); width: max-content; max-width: min(330px, calc((100 - var(--j24)) * 1cqw - 22px)); padding: 6px 10px 7px; border-radius: 6px; background: var(--board); color: var(--flap-ink); font: 700 1rem/1.25 var(--board-font); letter-spacing: .03em; box-shadow: inset 0 0 0 1px #000, 0 2px 0 rgba(0, 0, 0, .25); }
.ro-bracket__plate::after { content: ""; position: absolute; left: 14px; top: 100%; border: 6px solid transparent; border-top-color: var(--board); }
.ro__stage { container-type: inline-size; }

/* The boards: white enamel on black rims, a yellow head, two steel legs down to the line. */
.ro-boards { position: absolute; left: 22%; right: 2%; top: 12px; bottom: calc(var(--liney) + 9px); display: flex; gap: 3%; transform-style: preserve-3d; pointer-events: none; }
.ro-board { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; align-items: center; transform-origin: 50% 100%; transform-style: preserve-3d; transform: translateY(calc(var(--lift) * -135%)) translateZ(calc(var(--lift) * -60px)) rotateX(calc(var(--lift) * 52deg)); }
.ro-board--gpo { transform: translateY(calc(var(--lift2) * -135%)) translateZ(calc(var(--lift2) * -60px)) rotateX(calc(var(--lift2) * 52deg)); }
.ro-board__panel { position: relative; display: flex; flex-direction: column; width: 100%; max-width: 250px; border-radius: 6px; background: #fbfaf6; box-shadow: inset 0 0 0 3px #15171a, inset 0 0 0 5px #fbfaf6, inset 0 0 0 6px var(--law), 0 10px 18px -12px rgba(0, 0, 0, .55); transform-style: preserve-3d; }
.ro-board__top { position: absolute; left: 0; right: 0; top: 0; height: 14px; transform-origin: 50% 0; transform: rotateX(-90deg); background: #cfc9bd; border-radius: 6px 6px 0 0; }
.ro-board__l, .ro-board__r { position: absolute; top: 0; bottom: 0; width: 14px; background: linear-gradient(180deg, #b9b3a6, #8f897c); }
.ro-board__l { right: 100%; transform-origin: 100% 50%; transform: rotateY(90deg); }
.ro-board__r { left: 100%; transform-origin: 0 50%; transform: rotateY(-90deg); }
.ro-board__head { margin: 6px 6px 0; padding: 5px 6px 4px; border-radius: 3px 3px 0 0; background: var(--signal); color: var(--signal-ink); font: 700 .95rem/1.1 var(--board-font); letter-spacing: .1em; text-transform: uppercase; text-align: center; }
.ro-board__name { padding: 6px 10px 0; color: #15171a; font: 700 2.3rem/1 var(--board-font); letter-spacing: .02em; text-align: center; }
.ro-board__who { padding: 4px 12px 12px; color: #3c4148; font-size: .95rem; line-height: 1.3; text-align: center; }
.ro-board__legs { position: relative; flex: 1 1 auto; width: 100%; max-width: 250px; min-height: 8px; }
.ro-board__legs i { position: absolute; top: 0; bottom: 0; width: 7px; border-radius: 0 0 2px 2px; background: linear-gradient(90deg, #eef0f2, #a6acb4 55%, #6c737b); }
.ro-board__legs i:first-child { left: 16%; }
.ro-board__legs i:last-child { right: 16%; }

/* The signal: its post stands on the line at January 2024. */
.ro-post { position: absolute; left: calc(var(--j24) * 1%); bottom: calc(var(--liney) + 3px); height: calc(100% - var(--liney) - 10px); aspect-ratio: 48 / 140; transform: translateX(-66.67%); }
.ro-signal { display: block; width: 100%; height: 100%; overflow: visible; }
.ro-signal__base { fill: #3a3f46; }
.ro-signal__cap, .ro-signal__pin { fill: #2a2d32; }
.ro-signal__lamp { fill: #1b1d21; }
.ro-signal__light { fill: #fff1c1; }
.ro-signal__arm { transform-box: view-box; transform-origin: 32px 24px; transform: rotate(calc(var(--sig) * 45deg)); }
.ro-signal__spec { fill: #2a2d32; }
.ro-lens--r { fill: #e0352b; opacity: calc(1 - var(--sig) * .72); }
.ro-lens--g { fill: #19b064; opacity: calc(.28 + var(--sig) * .72); }
.ro-signal__blade { fill: #c9302c; stroke: #15171a; stroke-width: .5; }
.ro-signal__stripe { fill: #fbfaf6; }

/* ---- Stepping: back, where you are, next; and the step's words ------------------------------------- */

.ro__ctrl { margin-top: 12px; }
.js .ro .ro__ctrl { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ro-count { font: 700 1.1rem/1 var(--board-font); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.ro-back[aria-disabled="true"] { opacity: .4; cursor: default; }
.ro-next svg { order: 2; }
.ro__ctrl .p-btn { white-space: nowrap; }
.ro__ctrl .p-btn svg { flex: none; }
@media (max-width: 359px) {
	.ro__ctrl .p-btn { padding: 8px 10px; gap: 6px; letter-spacing: .04em; }
	.ro-count { letter-spacing: .02em; }
}

.ro .ro__steps { display: grid; gap: 14px; margin: 14px 0 0; padding: 0; list-style: none; }
.ro-step { display: grid; gap: 3px; padding: 0 0 0 16px; border-left: 4px solid var(--law); }
.ro-step__when { font: 700 1.2rem/1.15 var(--board-font); letter-spacing: .04em; color: var(--ink); }
.ro-step__head { font-size: 1.08rem; line-height: 1.35; color: var(--ink); }
.ro-step__words { font-size: 1rem; line-height: 1.5; color: var(--ink-2); }
.ro.is-js .ro-step { display: none; }
.ro.is-js .ro-step.is-on { display: grid; min-height: 9.5em; }

@media (max-width: 599px) {
	.ro { --liney: 62px; --stageh: 360px; }
	.ro-boards { left: 24%; gap: 3%; }
	.ro-board__name { font-size: 2rem; padding: 4px 6px 0; }
	.ro-board__who { padding: 4px 8px 10px; }
	.ro-board__head { padding: 4px 3px 3px; letter-spacing: .06em; }
	.ro-post { height: calc(62% - var(--liney)); }
	.ro-bracket--paid { bottom: calc(var(--liney) + 120px); }
	.ro.is-js .ro-step.is-on { min-height: 13em; }
}
@media (prefers-reduced-motion: reduce) {
	.ro-tick { transition: none; }
}