/* Raincade: e-ink paper, one ink, one annotation green. */

:root {
  --paper: #d8d9d3;
  --paper-2: #cdcec7;
  --ink: #121412;
  --ink-2: #545a52;
  --grid: rgba(18, 20, 18, 0.07);
  --accent: #5a8a68;
  --accent-soft: rgba(90, 138, 104, 0.5);
  --is-dark: 0;
  --mono: "Azeret Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --dot: "Doto", "Azeret Mono", ui-monospace, monospace;
  --cond: "Sofia Sans Extra Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --gutter: clamp(16px, 2.2vw, 28px);
  /* the view is always a night scene, the same in both themes */
  --view-bg: #0b0d0b;
  --view-ink: #7d8a7a;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f110f;
    --paper-2: #171a17;
    --ink: #cfd6cb;
    --ink-2: #7c8679;
    --grid: rgba(207, 214, 203, 0.055);
    --accent: #80b38d;
    --accent-soft: rgba(128, 179, 141, 0.45);
    --is-dark: 1;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f110f;
  --paper-2: #171a17;
  --ink: #cfd6cb;
  --ink-2: #7c8679;
  --grid: rgba(207, 214, 203, 0.055);
  --accent: #80b38d;
  --accent-soft: rgba(128, 179, 141, 0.45);
  --is-dark: 1;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;           /* the view is the page: nothing scrolls */
  overscroll-behavior: none;
}
body {
  background: var(--paper);
  color: var(--ink);
  font: 400 12px/1.45 var(--mono);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
h1, h2, p { margin: 0; }
.dim { color: var(--ink-2); }
sup { font-size: 0.55em; vertical-align: 0.8em; line-height: 0; }

/* ------------------------------------------------------------ the view */

.stage {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  touch-action: manipulation;
  background: var(--view-bg);
}
#stage-canvas, #callouts {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
#stage-canvas { image-rendering: pixelated; }
#callouts { pointer-events: none; overflow: visible; }

/* the technical overlay (callouts, corner marks, readouts) is opt-in */
.mark, .hud, #callouts { display: none; }
body[data-labels="on"] #callouts { display: block; }
body[data-labels="on"] .hud { display: block; }
body[data-labels="on"] .mark { display: block; }

.mark { position: absolute; width: 12px; height: 12px; border: 0 solid var(--ink); pointer-events: none; }
.mark.tl { top: 8px; left: 8px; border-top-width: 1px; border-left-width: 1px; }
.mark.tr { top: 8px; right: 8px; border-top-width: 1px; border-right-width: 1px; }
.mark.bl { bottom: 8px; left: 8px; border-bottom-width: 1px; border-left-width: 1px; }
.mark.br { bottom: 8px; right: 8px; border-bottom-width: 1px; border-right-width: 1px; }

.hud {
  position: absolute;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
  background: var(--paper);
  padding: 0 4px;
}
.hud-tl { top: 12px; left: 28px; color: var(--ink); }
.hud-bl { bottom: 12px; left: 28px; }
.hud-br { bottom: 12px; right: 28px; }
.hud-test {
  position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  font: 800 clamp(28px, 5vw, 56px)/1 var(--dot);
  color: var(--ink);
  background: var(--paper);
  padding: 6px 14px;
  border: 1px solid var(--ink);
}

/* breathing guide: a dot walks the square, one side per phase */
.breath {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 14px 18px 12px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  pointer-events: none;
}
.breath-frame { position: relative; width: clamp(96px, 22vmin, 148px); aspect-ratio: 1; }
.breath-frame svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.breath-box { fill: none; stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 2 3; }
.breath-side { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: square; }
.breath-dot { fill: var(--ink); }
.breath-count {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font: 800 clamp(34px, 8vmin, 54px)/1 var(--dot);
  font-variant-numeric: tabular-nums;
}
.breath-say { font-size: 11px; letter-spacing: 0.16em; white-space: nowrap; }

/* callouts, drawn over the scene like the poster's annotation lines */
#callouts text {
  font: 500 9.5px var(--mono);
  letter-spacing: 0.05em;
  fill: var(--accent);
  paint-order: stroke;
  stroke: var(--paper);
  stroke-width: 3px;
  stroke-linejoin: round;
}
#callouts .co-line { stroke: var(--accent); stroke-width: 0.75; opacity: calc(0.35 + var(--act, 0.4) * 0.5); }
#callouts .co-box { fill: none; stroke: var(--accent); stroke-width: 1; }
#callouts .co.hit .co-box { fill: var(--accent); }
#callouts .co.hit .co-line { opacity: 1; stroke-width: 1.2; }
#callouts .co-label { fill: var(--ink-2); font-size: 8.5px; }
#callouts .co-frame rect { fill: none; stroke: var(--accent); stroke-width: 1; }
#callouts .co-hub text { fill: var(--ink); font-size: 10px; }

.start {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 18px 26px 16px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  cursor: pointer;
  font-family: var(--mono);
}
.start-key { font: 800 clamp(26px, 4.4vw, 52px)/1 var(--dot); letter-spacing: 0.02em; white-space: nowrap; }
.start-note { font-size: 10px; letter-spacing: 0.1em; color: var(--ink-2); }
.start:hover { transform: translate(calc(-50% + 2px), calc(-50% + 2px)); box-shadow: 3px 3px 0 var(--ink); }
.start:active { transform: translate(calc(-50% + 5px), calc(-50% + 5px)); box-shadow: none; }

/* ------------------------------------------------------------ chrome over the view */

.chrome {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  transition: opacity 0.36s steps(3, end);   /* fades in hard steps, like a low-refresh panel */
}
.chrome > * { pointer-events: auto; }
body.idle .chrome:not(:focus-within) { opacity: 0; }
body.idle .chrome:not(:focus-within) > * { pointer-events: none; }
body[data-sheet="open"] .chrome { opacity: 0; pointer-events: none; }
body[data-sheet="open"] .chrome > * { pointer-events: none; }

.topbar {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  display: flex;
  gap: 8px;
}
.brand, .dock {
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.brand { display: inline-block; padding: 5px 9px 4px; font-size: 11px; letter-spacing: 0.08em; }
.topbar-link { color: inherit; text-decoration: none; }
.topbar-link:hover { background: var(--ink); color: var(--paper); }
.hash { font-weight: 300; margin-right: 0.15em; }
.kanji { font-weight: 400; }

.dock {
  position: absolute;
  left: 50%;
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 8px));
  transform: translateX(-50%);
  display: flex;
  align-items: stretch;
  gap: 0;
  white-space: nowrap;
}
.dock > * + * { border-left: 1px solid var(--ink); }
.dock .btn { border: 0; padding: 0 14px; min-height: 44px; font-size: 13px; }
.dock .btn:hover { background: var(--paper-2); }
.dock .btn[aria-pressed="true"] { background: transparent; color: var(--ink); }
.dock-venue { display: flex; align-items: stretch; }
.dock-venue .btn { padding: 0 10px; font-size: 16px; }
.dock-venue output {
  display: grid;
  place-items: center;
  min-width: 9ch;
  padding: 0 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ------------------------------------------------------------ the sheet */

.scrim { position: fixed; inset: 0; z-index: 4; }

.sheet {
  position: fixed;
  z-index: 5;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  width: min(520px, calc(100vw - 24px));
  max-height: min(78vh, 760px);
  max-height: min(78dvh, 760px);
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  transform: translate(-50%, calc(100% + 40px));
  visibility: hidden;
  outline: none;
}
/* no slide: the sheet is just there, then redraws like e-ink (js/eink.js) */
body[data-sheet="open"] .sheet {
  transform: translate(-50%, 0);
  visibility: visible;
}
body[data-mode="advanced"] .sheet { width: min(980px, calc(100vw - 24px)); }

.sheet-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ink);
}
.sheet-head h1 {
  font: 400 15px/1.1 var(--mono);
  letter-spacing: 0.02em;
  white-space: nowrap;
  margin-right: auto;
}
.btn.x { min-width: 36px; min-height: 36px; font-size: 14px; }
.mode .btn { min-height: 36px; padding: 0 12px; }

.sheet-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 16px 14px 18px;
}
.pane { display: grid; gap: 20px; }
.adv { grid-template-columns: minmax(0, 1fr); align-items: start; }
.adv-col { display: grid; gap: 20px; min-width: 0; }
@media (min-width: 820px) {
  .adv { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 28px; }
}

.sheet-foot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom) * 0);
  border-top: 1px solid var(--ink);
  background: var(--paper);
}
.sheet-foot input[type="range"].short { flex: 1 1 100px; width: auto; min-width: 90px; max-width: 220px; }

/* ------------------------------------------------------------ controls */

.label {
  font: 500 11px/1.2 var(--mono);
  letter-spacing: 0.06em;
}
.label .dim { font-weight: 400; margin-left: 6px; }
.key { font-size: 11px; letter-spacing: 0.06em; white-space: nowrap; }
.param { display: grid; gap: 2px; }
.readout { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.big {
  font: 800 clamp(38px, 3.2vw, 48px)/0.95 var(--dot);
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  min-width: 4.2ch;
}
.unit { font-size: 10.5px; letter-spacing: 0.06em; color: var(--ink-2); white-space: nowrap; }
.unit span { color: var(--ink); }
.row, .kv { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.kv .key { min-width: 6em; }
.note-row { flex-wrap: nowrap; align-items: flex-start; }
.note-row .note { padding-top: 2px; }
.note { font-size: 10.5px; color: var(--ink-2); letter-spacing: 0.02em; max-width: 60ch; }
.small-out { font-size: 11px; font-variant-numeric: tabular-nums; min-width: 4.5em; }
.small-out a { color: inherit; text-underline-offset: 3px; }
.small-out a:hover { color: var(--accent); }
.transport { margin-top: 2px; }

.seg { display: inline-flex; flex-wrap: wrap; }
.seg .btn + .btn { margin-left: -1px; }

.btn {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  padding: 6px 8px 5px;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  border-radius: 0;
}
.btn b { font-weight: 600; margin-right: 4px; }
.btn:hover { background: var(--paper-2); }
.btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.38; cursor: not-allowed; }
.btn:disabled:hover { background: transparent; }
.btn.play { font-size: 12px; padding: 8px 14px 7px; min-width: 9.5em; }
.btn.flash { animation: flash 0.25s steps(2) 2; }
@keyframes flash { 50% { background: var(--ink); color: var(--paper); } }

:focus-visible { outline: 2px dashed var(--accent); outline-offset: 2px; }

/* ruler-style sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 26px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  --v: 50%;
}
input[type="range"].short { width: min(180px, 40vw); }
input[type="range"]::-webkit-slider-runnable-track {
  height: 12px;
  background:
    linear-gradient(var(--ink), var(--ink)) 0 100% / var(--v) 4px no-repeat,
    repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 10px) 0 100% / 100% 7px no-repeat,
    linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 1px no-repeat;
}
input[type="range"]::-moz-range-track {
  height: 12px;
  background:
    repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 10px) 0 100% / 100% 7px no-repeat,
    linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 1px no-repeat;
}
input[type="range"]::-moz-range-progress { height: 4px; background: var(--ink); align-self: end; }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 22px;
  margin-top: -8px;
  background: var(--ink);
  border: 2px solid var(--paper);
  outline: 1px solid var(--ink);
  border-radius: 0;
}
input[type="range"]::-moz-range-thumb {
  width: 8px;
  height: 20px;
  background: var(--ink);
  border: 2px solid var(--paper);
  outline: 1px solid var(--ink);
  border-radius: 0;
}


.group { display: grid; gap: 10px; min-width: 0; }
.seg.venue { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.seg.venue .btn { padding: 12px 4px 11px; font-size: 12px; }
.about { display: grid; gap: 8px; }
.about .stack { font-size: 10px; letter-spacing: 0.06em; }
.about .keys { font-size: 10px; letter-spacing: 0.08em; }
.about .credits { font-size: 9.5px; letter-spacing: 0.04em; }
.powered { font: 400 16px/1 var(--cond); letter-spacing: 0.02em; display: flex; align-items: center; gap: 8px; }
.powered b { font-weight: 400; font-family: var(--mono); font-size: 13px; letter-spacing: 0; }
.logo { font-size: 18px; line-height: 1; }
.config { margin: 0; font: 400 10px/1.5 var(--mono); white-space: pre; overflow-x: auto; letter-spacing: 0.02em; }

/* ------------------------------------------------------------ instruments */

.inst { display: grid; gap: 6px; }
.inst canvas { width: 100%; display: block; }
#radar { aspect-ratio: 1; width: min(100%, 300px); justify-self: center; touch-action: none; cursor: grab; }
#radar:active { cursor: grabbing; }
#spectrum { height: 72px; }
#seismo { height: 46px; }
.log {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  display: grid;
  gap: 2px;
}
.log li { display: grid; grid-template-columns: 3ch 5ch 6ch 1fr; gap: 8px; white-space: nowrap; }
.log li.empty { display: block; color: var(--ink-2); }
.log li .eta { text-align: right; }
.log li.inbound .eta { color: var(--accent); }

/* ------------------------------------------------------------ lights out */

/* --dawn (0..1) is set while WAKE's morning comes up: the black turns into a sunrise */
.lights-out {
  --dawn: 0;
  position: fixed;
  inset: 0;
  z-index: 10;
  background: #000;
  background:
    radial-gradient(ellipse 140% 80% at 50% 125%,
      rgba(236, 168, 92, calc(var(--dawn) * 0.9)),
      rgba(130, 76, 34, calc(var(--dawn) * 0.4)) 55%,
      transparent 82%),
    #000;
  color: #3b423a;
  color: color-mix(in srgb, #3b423a, #f2d3a0 calc(var(--dawn) * 100%));
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  cursor: pointer;
}
.lo-clock { font: 800 clamp(64px, 16vw, 180px)/1 var(--dot); font-variant-numeric: tabular-nums; }
.lo-note { font-size: 11px; letter-spacing: 0.14em; }

/* ------------------------------------------------------------ e-ink artifacts */

/* full refresh: black, white, a dither pass, then clear */
.eink-flash {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  animation: eink 0.42s steps(1, end) forwards;
}
@keyframes eink {
  0%   { background: var(--ink); }
  20%  { background: var(--paper); }
  40%  { background: repeating-conic-gradient(var(--ink) 0 25%, transparent 0 50%) 0 0 / 2px 2px; }
  62%  { background: radial-gradient(var(--ink) 0.6px, transparent 0.9px) 0 0 / 3px 3px; }
  84%  { background: radial-gradient(var(--ink) 0.6px, transparent 0.9px) 1px 1px / 5px 5px; }
  100% { background: transparent; }
}
/* LIGHTNING = SOFT also softens the refresh: a dither pass, no black frame */
body[data-fx="soft"] .eink-flash { animation-name: eink-soft; }
@keyframes eink-soft {
  0%   { background: radial-gradient(var(--ink) 0.6px, transparent 0.9px) 0 0 / 3px 3px; }
  45%  { background: radial-gradient(var(--ink) 0.6px, transparent 0.9px) 1px 1px / 5px 5px; }
  100% { background: transparent; }
}

/* the previous screen burned in for a moment */
.eink-ghost {
  position: fixed;
  z-index: 6;
  overflow: hidden;
  pointer-events: none;
  filter: grayscale(1);
  animation: ghost 0.9s steps(1, end) forwards;
}
@keyframes ghost {
  0%   { opacity: 0.3; }
  30%  { opacity: 0.18; }
  60%  { opacity: 0.08; }
  100% { opacity: 0; }
}

/* ------------------------------------------------------------ tooltips */

.tip {
  position: fixed;
  z-index: 30;
  max-width: min(36ch, calc(100vw - 16px));
  padding: 7px 9px 6px;
  font: 400 10.5px/1.45 var(--mono);
  letter-spacing: 0.03em;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  pointer-events: none;
}
.tip.eink-in::after {
  content: '';
  position: absolute;
  inset: 0;
  animation: eink 0.26s steps(1, end) forwards;
}
body[data-fx="soft"] .tip.eink-in::after { animation-name: eink-soft; }
.btn.tip-q { min-width: 26px; padding: 6px 0 5px; font-weight: 600; }

/* ------------------------------------------------------------ small screens */

@media (max-width: 600px) {
  .sheet {
    left: 0;
    width: 100vw;
    max-height: 84vh;
    max-height: 84dvh;
    bottom: 0;
    border-left: 0; border-right: 0; border-bottom: 0;
    box-shadow: none;
    padding-bottom: env(safe-area-inset-bottom);
    transform: translate(0, calc(100% + 40px));
  }
  body[data-sheet="open"] .sheet { transform: translate(0, 0); }
  body[data-mode="advanced"] .sheet { width: 100vw; }
  .sheet-head { flex-wrap: wrap; }
  .sheet-head h1 { font-size: 14px; }
  .mode { order: 3; flex: 1 1 100%; }
  .mode .btn { flex: 1; }
  .kv .key { min-width: 0; }
  .dock-open-text { display: none; }
  .brand { font-size: 10px; }
}
@media (max-width: 380px) {
  .dock-venue output { min-width: 7ch; }
  .dock .btn { padding: 0 10px; }
}
@media (max-height: 460px) {
  .sheet { max-height: 92vh; max-height: 92dvh; bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .btn.flash { animation: none; }
  .chrome { transition: none; }
}