/* Dark only. */
/* Share Tech Mono (SIL Open Font License), for the planet readout's terminal look. */
@font-face {
  font-family: "Share Tech Mono";
  src: url("/static/sharetechmono.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "BT Oldstyle";
  src: url("/static/bt_oldstyle.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0d0e0f;
  --panel: #16181a;
  --panel-2: #1d2022;
  --line: #34383b;
  --text: #e8e4d6;
  --muted: #9a978b;
  --accent: #f2b800;
  --accent-ink: #14110a;
  --link: #ffd24a;
  --display: "Bahnschrift", "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--body);
}

/* Hazard-stripe bar */
.hazard {
  height: 10px;
  background: repeating-linear-gradient(-45deg, var(--accent) 0 14px, #111 14px 28px);
}

.top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand {
  font: 700 1.1rem/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}
.brand .mark { font-size: 0.8em; margin-right: 0.3em; }

.crumbs {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font: 0.85rem var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { color: var(--line); }

main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

h1, h2, h3 {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.15;
}
h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 0.1em 0 0.4em; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.75rem; color: var(--accent); }
h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }

.kicker {
  margin: 0;
  font: 0.85rem var(--display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.lede { color: var(--muted); font-size: 1.1rem; }
.muted { color: var(--muted); }

a { color: var(--link); }
a:hover { color: var(--accent); }

/* Angular, clipped-corner panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 0.5rem 1.4rem 1rem;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.panel > :first-child { margin-top: 1rem; }

/* Collapsible sections (Outcome, Waypoints): arrow points right when closed, rotates down when open. */
details.fold { margin-top: 2.5rem; }
details.fold > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 2rem 0.35rem 0.9rem;
  background: var(--accent);
  color: var(--accent-ink);
  font: 700 1.35rem var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0.4rem 0 0.4rem 0.65rem;
  border-color: transparent transparent transparent currentColor;
  transition: transform 0.15s ease;
}
details.fold[open]:not(.is-closing) > summary::before { transform: rotate(90deg); }
details.fold > summary:hover { filter: brightness(1.12); }
details.fold > summary:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
details.fold .panel { margin-top: 0.5rem; }

/* The open/close animation is driven by the script in layout.html (works in every browser);
   without it the section simply toggles. */
details.fold > .fold-body { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  details.fold > summary::before { transition: none; }
}

.cards { list-style: none; margin: 1.25rem 0; padding: 0; display: grid; gap: 0.75rem; }
.card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
}
.card:hover { border-color: var(--accent); background: var(--panel-2); }
.card .num {
  font: 700 1.5rem var(--display);
  color: var(--accent);
  min-width: 3ch;
}
.card .name { font: 1.15rem var(--display); letter-spacing: 0.05em; text-transform: uppercase; }
.card .go { font: 0.8rem var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

blockquote {
  margin: 1rem 0;
  padding: 0.4rem 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

/* Tables scroll inside their own container on narrow screens */
table { border-collapse: collapse; margin: 1rem 0; display: block; overflow-x: auto; max-width: 100%; }
th, td { padding: 0.45rem 0.9rem; border: 1px solid var(--line); text-align: left; }
th {
  background: var(--panel-2);
  font: 0.85rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.downloads { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font: 700 0.9rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.button:hover { color: var(--accent-ink); filter: brightness(1.12); }

figure { margin: 1rem 0; }
/* Scenario art: a wide banner cropped to the top, so dark space at the bottom of the image fades into the page.
   Framed like a targeting display, kept translucent so the picture stays the focus: corner brackets over the
   picture and a row of tick marks along the bottom. */
.scenario-art {
  --frame: rgb(242 184 0 / 0.5);
  position: relative;
  margin: 1rem 0 1.25rem;
  border: 1px solid var(--line);
  background: #000;
}
.scenario-art img { display: block; width: 100%; aspect-ratio: 3 / 1; object-fit: cover; object-position: top; }
.scenario-art::before {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  --b: linear-gradient(var(--frame), var(--frame));
  background:
    var(--b) top left / 26px 2px no-repeat, var(--b) top left / 2px 26px no-repeat,
    var(--b) top right / 26px 2px no-repeat, var(--b) top right / 2px 26px no-repeat,
    var(--b) bottom left / 26px 2px no-repeat, var(--b) bottom left / 2px 26px no-repeat,
    var(--b) bottom right / 26px 2px no-repeat, var(--b) bottom right / 2px 26px no-repeat;
}
.scenario-art::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 7px;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, var(--frame) 0 1px, transparent 1px 14px);
  opacity: 0.6;
}
img { max-width: 100%; height: auto; }
code { background: var(--panel-2); padding: 0.1em 0.35em; }

.next { margin-top: 2rem; font: 1rem var(--display); letter-spacing: 0.08em; text-transform: uppercase; }

footer {
  padding: 1.5rem 1.25rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

@media (max-width: 30rem) {
  .card { grid-template-columns: auto 1fr; }
  .card .go { display: none; }
}

/* Seed chip and dialog */
[hidden] { display: none !important; }

.chip {
  font: 0.8rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--accent);
  padding: 0.35rem 0.8rem;
  cursor: pointer;
}
a.chip { display: inline-block; text-decoration: none; }
.chip:hover { background: var(--accent); color: var(--accent-ink); }
.chip code { background: transparent; padding: 0; letter-spacing: 0.05em; text-transform: none; }

dialog {
  width: min(34rem, calc(100vw - 2rem));
  padding: 1.25rem 1.5rem 1.5rem;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.72); }
dialog h2 { margin-top: 0; }
dialog label, dialog legend {
  display: block;
  margin-top: 1rem;
  font: 0.85rem var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
dialog fieldset { border: 0; padding: 0; margin: 0; }

.seed-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.4rem; }
.seed-row input { flex: 1 1 12rem; min-width: 0; }
dialog input[type="text"], dialog input[type="url"] {
  padding: 0.55rem 0.7rem;
  font: 1.05rem ui-monospace, "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.04em;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
}
dialog input.wide { display: block; width: 100%; margin-top: 0.4rem; font-size: 0.9rem; }
dialog input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

dialog button:not(.button) {
  font: 0.8rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.5rem 0.9rem;
  cursor: pointer;
}
dialog button:not(.button):hover { border-color: var(--accent); color: var(--accent); }

.players { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.players legend { width: 100%; }
.pill { margin: 0 !important; cursor: pointer; }
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill span {
  display: inline-block;
  min-width: 2.6rem;
  padding: 0.45rem 0.9rem;
  text-align: center;
  font: 700 1rem var(--display);
  border: 1px solid var(--line);
}
.pill input:checked + span { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pill input:focus-visible + span { outline: 2px solid var(--text); outline-offset: 2px; }

.form-error { min-height: 1.4em; margin: 0.6rem 0 0; color: #ff7a59; }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin-top: 0.5rem; }
.form-actions .button { border: 0; cursor: pointer; }

/* Mission briefing: the scenario fluff, shown as an incoming transmission */
.briefing {
  position: relative;
  margin: 1.5rem 0 2rem;
  padding: 1.1rem 1.6rem 1.5rem 1.8rem;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 4px),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel) 55%);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  border-left: 6px solid var(--accent);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35), 0 0 36px color-mix(in srgb, var(--accent) 14%, transparent);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.briefing-tag {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font: 700 0.8rem var(--display);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}
.briefing-tag::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: briefing-pulse 1.6s ease-in-out infinite;
}
.briefing-tag::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.6;
}
.briefing-text p {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  animation: briefing-in 0.7s ease both;
}
.briefing-text p:nth-child(2) { animation-delay: 0.35s; }
.briefing-text p:nth-child(3) { animation-delay: 0.7s; }
.briefing-text p:nth-child(4) { animation-delay: 1.05s; }
.briefing-text p:first-child {
  font: 700 clamp(1.3rem, 3vw, 1.75rem) / 1.3 var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.briefing-text p:last-child { margin-bottom: 0; }
.briefing-text p.pull {
  position: relative;
  margin-top: 1.5rem;
  padding: 0.2rem 0 0.2rem 1.6rem;
  border-left: 3px solid var(--accent);
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  color: var(--accent);
}
.briefing-text p.pull::before {
  content: "\201C";
  position: absolute;
  left: -0.15rem;
  top: -1.4rem;
  font: 700 5rem/1 Georgia, "Times New Roman", serif;
  color: var(--accent);
  opacity: 0.18;
  pointer-events: none;
}
/* Attribution under a pull quote: continues the quote's accent rule, set small and muted. */
.briefing-text p.pull:has(+ p.cite) { margin-bottom: 0; }
.briefing-text p.cite {
  margin-top: 0;
  padding: 0.5rem 0 0.2rem 1.6rem;
  border-left: 3px solid var(--accent);
  font: 600 0.85rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.briefing-text em { color: inherit; }

@keyframes briefing-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
@keyframes briefing-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .briefing-tag::before, .briefing-text p { animation: none; }
}
@media (max-width: 30rem) {
  .briefing { padding: 1rem 1rem 1.25rem 1.2rem; }
}

/* Scenario title in the BattleTech old-style face */
h1.scenario-title {
  font-family: "BT Oldstyle", var(--display);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
}

.card .name .sub {
  display: block;
  margin-top: 0.15rem;
  font: 0.8rem var(--display);
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* Planetary readout drawn over the scenario image, like a ship's survey display. Narrow banners put it below the picture. */
.scenario-art { container-type: inline-size; }
.readout {
  position: absolute;
  bottom: 1.1rem;
  left: 2.75rem;
  min-width: 7rem;
  color: rgb(205 205 205 / 0.32);
  font: 0.345rem/1.4 "Share Tech Mono", ui-monospace, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  pointer-events: none;
}
.readout-head {
  margin: 0 0 0.15rem;
  font-weight: 700;
}
.readout-head span { margin-left: 0.4rem; font-weight: 400; }
.readout dl { margin: 0; }
.readout dl > div { display: flex; gap: 0.5rem; justify-content: space-between; animation: briefing-in 0.4s ease-out backwards; }
.readout dt, .readout dd { margin: 0; }
.readout dd { text-align: right; }
.readout dl > div:nth-child(1) { animation-delay: 0.1s; }
.readout dl > div:nth-child(2) { animation-delay: 0.18s; }
.readout dl > div:nth-child(3) { animation-delay: 0.26s; }
.readout dl > div:nth-child(4) { animation-delay: 0.34s; }
.readout dl > div:nth-child(5) { animation-delay: 0.42s; }
.readout dl > div:nth-child(6) { animation-delay: 0.5s; }
.readout dl > div:nth-child(7) { animation-delay: 0.58s; }
.readout dl > div:nth-child(8) { animation-delay: 0.66s; }
.readout dl > div:nth-child(9) { animation-delay: 0.74s; }
.readout dl > div:nth-child(10) { animation-delay: 0.82s; }
@container (max-width: 52rem) {
  .readout { position: static; margin: 0; max-width: 20rem; padding: 0.7rem 1rem 0.9rem 1.4rem; font-size: 0.65rem; color: rgb(205 205 205 / 0.5); }
}
@media (prefers-reduced-motion: reduce) {
  .readout dl > div { animation: none; }
}

/* Waypoints: a core mechanic, tucked away like the back of the book. Each starts redacted (only when the script
   has run, so "html.js"), with its text blacked out line by line; Reveal wipes the bars away. */
details.fold + details.fold { margin-top: 1rem; }
.waypoint-list { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
.waypoint {
  padding: 0.75rem 1.1rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.wp-head { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.waypoint h3 {
  margin: 0;
  font: 700 1.05rem var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.wp-stamp {
  padding: 0.05rem 0.5rem;
  border: 2px solid currentColor;
  color: #e5483b;
  font: 700 0.72rem var(--display);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 0.4s ease;
}
.waypoint.revealed .wp-stamp { color: var(--muted); }
.wp-toggle { margin-left: auto; padding: 0.4rem 0.9rem; border: 0; font-size: 0.8rem; cursor: pointer; }
html:not(.js) .wp-toggle, html:not(.js) .wp-stamp { display: none; }
.wp-text { margin-top: 0.6rem; }
.wp-text > :first-child { margin-top: 0; }
.wp-text > :last-child { margin-bottom: 0; }

/* The bar is a background on each line of text, shrinking to the right to uncover it. */
.wp-text .redact {
  background: linear-gradient(#000, #000) right center / 0% 100% no-repeat;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  transition: background-size 0.7s cubic-bezier(0.7, 0, 0.3, 1), color 0.3s ease 0.2s;
}
.wp-text > :nth-child(2) .redact { transition-delay: 0.12s, 0.32s; }
.wp-text > :nth-child(3) .redact { transition-delay: 0.24s, 0.44s; }
.wp-text > :nth-child(n+4) .redact { transition-delay: 0.36s, 0.56s; }
.js .waypoint:not(.revealed) .wp-text { user-select: none; cursor: pointer; }
.js .waypoint:not(.revealed) .wp-text .redact {
  background-size: 101% 100%;
  color: transparent;
  box-shadow: 0 0 0 1px #000;
}
.js .waypoint:not(.revealed) .wp-text .redact * { color: transparent; }
@media (prefers-reduced-motion: reduce) {
  .wp-text .redact, .wp-stamp { transition: none; }
  .wp-text > .redact, .wp-text > * .redact { transition-delay: 0s; }
}