/* The page's frame round the view: the loading state, the panels the core
   describes (title, menu, pause, settings), the lines over play, and
   messages. The journal's roster palette: primed canvas, ivory black,
   vermilion and ochre, after the tenebrists. */
:root {
  --ink: #efe3c8;
  --ink-soft: #bfae8f;
  --umber: #2a1e15;
  --umber-edge: #4a3527;
  --glass: rgba(23, 17, 12, 0.9);
  --accent: #b3361f;
  --accent-deep: #6e1d18;
  --ochre: #c79a3a;
  --hit: #f2e6cf;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55), 0 2px 6px rgba(0, 0, 0, 0.4);
}
* { box-sizing: border-box; }
/* A display rule elsewhere must not show what the page hid. */
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  background: #17110c;
  color: var(--ink);
  font: 16px/1.45 Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}
#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; background: #17110c; }
body[data-ready="false"] #view { visibility: hidden; }
#loading { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 18px; letter-spacing: 0.08em; color: var(--ink-soft); }

/* the crosshair: a small cross, only in play */
#crosshair { position: fixed; left: 50%; top: 50%; width: 18px; height: 18px; margin: -9px 0 0 -9px; pointer-events: none; display: none; filter: drop-shadow(0 0 1px #000) drop-shadow(0 0 1px #000); }
#crosshair::before, #crosshair::after { content: ""; position: absolute; background: var(--ink); }
#crosshair::before { left: 0; right: 0; top: 8px; height: 2px; }
#crosshair::after { top: 0; bottom: 0; left: 8px; width: 2px; }
body[data-screen="play"] #crosshair { display: block; }

#overlay { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.6) 100%); }
body[data-screen="title"] #overlay, body[data-screen="menu"] #overlay { align-items: flex-end; justify-content: flex-start; padding: 0 0 8vh 6vw; background: linear-gradient(90deg, rgba(10, 6, 3, 0.75) 0%, rgba(0, 0, 0, 0) 62%); }
.panel { min-width: 320px; max-width: 460px; max-height: calc(100vh - 32px); overflow: auto; padding: 28px 32px 24px; border-radius: 6px; background: var(--glass); border: 1px solid var(--umber-edge); box-shadow: var(--shadow); }
#title, #menu { background: none; border: none; box-shadow: none; max-width: 640px; }
.panel h1 { margin: 0 0 14px; font-size: 30px; line-height: 1.1; font-weight: 700; letter-spacing: 0.05em; }
#title h1, #menu h1 { font-size: 64px; letter-spacing: 0.04em; font-style: italic; text-shadow: 0 3px 18px rgba(0, 0, 0, 0.7); }
.panel h2 { margin: 20px 0 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }
.panel p { margin: 0 0 16px; color: var(--ink-soft); font-size: 17px; }
.panel button { display: block; width: 100%; padding: 13px 22px; border: 1px solid var(--accent-deep); border-radius: 4px; background: var(--accent); color: #f6efe2; font: inherit; font-size: 18px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; box-shadow: 0 3px 0 var(--accent-deep); }
#title button, #menu button { max-width: 320px; }
.panel button + button { margin-top: 10px; }
.panel button:hover:not(:disabled) { filter: brightness(1.1); }
.panel button:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }
.setting { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--umber-edge); }
.setting .label { flex: 1; }
/* M4: a code or link to copy, or a box to type a code into */
.field { display: block; margin: 0 0 12px; }
.field .label { display: block; margin-bottom: 4px; font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }
.field input { box-sizing: border-box; width: 100%; padding: 10px 12px; border: 1px solid var(--umber-edge); border-radius: 4px; background: rgba(255, 250, 240, 0.08); color: inherit; font: inherit; font-size: 17px; }
.field input[readonly] { font-family: ui-monospace, Menlo, monospace; letter-spacing: 0.04em; }
#room-code { font-size: 26px; letter-spacing: 0.3em; text-align: center; }
.field + button { margin-top: 4px; }
/* the copy buttons and seat switches sit side by side, smaller than a
   screen's choices */
.panel .pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin: 0 0 12px; }
.panel button + .pair { margin-top: 10px; }
.panel .pair button.small { margin: 0; padding: 8px 10px; font-size: 13px; letter-spacing: 0.06em; box-shadow: none; }
.panel .pair button.small:disabled { opacity: 0.55; cursor: default; }
#online h1 { margin-bottom: 8px; }
#online table.controls td { padding: 2px 0; }
.setting output { min-width: 64px; text-align: right; font-weight: 700; color: var(--ochre); }
.setting button { width: auto; min-width: 44px; margin: 0; padding: 6px 12px; font-size: 14px; letter-spacing: 0.04em; box-shadow: none; }
.setting + button { margin-top: 20px; }
.setting button + button { margin-top: 0; }
table.controls { width: 100%; border-collapse: collapse; }
table.controls td { padding: 4px 0; vertical-align: top; font-size: 14px; }
table.controls td:first-child { width: 34%; padding-right: 10px; }
kbd { display: inline-block; padding: 2px 8px; border-radius: 3px; background: var(--umber); border: 1px solid var(--umber-edge); font: inherit; font-size: 13px; font-weight: 700; }
#message { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); margin: 0; max-width: 80vw; color: #f4b39f; }
/* a message that the game has stopped, or cannot draw: plain to read */
#message.error { top: 50%; bottom: auto; transform: translate(-50%, -50%); padding: 18px 24px; border-radius: 6px; background: rgba(20, 14, 10, 0.92); border: 1px solid #f4b39f; font-size: 17px; line-height: 1.5; z-index: 20; }

/* the lines over play: speed under the crosshair's lower left, as the
   journal's HUD mockup places it */
#hud { position: fixed; inset: 0; pointer-events: none; }
.hud-item { position: fixed; margin: 0; padding: 6px 14px; border-radius: 5px; background: rgba(0, 0, 0, 0.5); color: var(--ink); opacity: 0; transition: opacity 0.4s ease; }
.hud-item.shown { opacity: 1; }
body:not([data-screen="play"]) #hud { display: none; }
#hud-speed { left: 50%; bottom: 4vh; transform: translateX(-50%); font: 700 28px/1.2 ui-monospace, Menlo, Consolas, monospace; min-width: 180px; text-align: center; transition: none; }
#hud-health { left: 24px; bottom: 4vh; font-size: 26px; font-weight: 700; transition: none; }
#hud-walls { left: 24px; bottom: calc(4vh + 52px); font-size: 16px; letter-spacing: 0.04em; transition: none; }
#hud-doing { left: 24px; bottom: calc(4vh + 94px); font-size: 14px; color: var(--ink-soft); transition: none; }
#hud-ammo { right: 24px; bottom: 4vh; font: 700 28px/1.2 ui-monospace, Menlo, Consolas, monospace; transition: none; }
#hud-gun { right: 24px; bottom: calc(4vh + 52px); font-size: 16px; transition: none; }
#hud-top { right: 24px; top: 18px; font-size: 15px; transition: none; }
#hud-hint { left: 50%; top: 18px; transform: translateX(-50%); font-size: 15px; transition: opacity 1.2s ease; }
#hud-reload, #hud-charge { left: 50%; top: calc(50% + 36px); transform: translateX(-50%); font-size: 14px; letter-spacing: 0.08em; transition: none; }
/* M5: the round */
#hud-round { left: 24px; top: 18px; font-size: 15px; transition: none; }
#hud-scores { left: 24px; top: 58px; font-size: 14px; color: var(--ink-soft); transition: none; }
#hud-clock { left: 50%; top: 66px; transform: translateX(-50%); font: 700 22px/1.2 ui-monospace, Menlo, Consolas, monospace; transition: none; }
#hud-count { left: 50%; top: 30%; transform: translateX(-50%); font: 700 72px/1 ui-monospace, Menlo, Consolas, monospace; padding: 10px 30px; transition: none; }
#hud-ended { left: 50%; top: 30%; transform: translateX(-50%); font-size: 30px; font-weight: 700; padding: 12px 28px; transition: none; }
#hud-watching { left: 50%; top: 70%; transform: translateX(-50%); font-size: 16px; transition: none; }
#hud-online { left: 24px; top: 98px; font-size: 13px; transition: none; }
/* the markers through walls: a hollow diamond where each seat stands */
[id^="hud-seen-"] { width: 18px; height: 18px; margin: -9px 0 0 -9px; padding: 0; background: none; border: 3px solid var(--accent); border-radius: 2px; transform: rotate(45deg); transition: none; box-shadow: 0 0 6px rgba(0, 0, 0, 0.6); }
#hud-dead { left: 50%; top: 38%; transform: translateX(-50%); font-size: 26px; padding: 12px 24px; transition: none; }
/* the hit mark and the kill mark: an X round the crosshair, open at its
   middle; the kill's larger and heavier */
#hud-mark, #hud-kill { left: 50%; top: 50%; padding: 0; background: none; border-radius: 0; transition: none; }
#hud-mark { width: 34px; height: 34px; margin: -17px 0 0 -17px; }
#hud-kill { width: 52px; height: 52px; margin: -26px 0 0 -26px; }
#hud-mark::before, #hud-mark::after, #hud-kill::before, #hud-kill::after {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px; margin-left: -1.5px;
  background: linear-gradient(to bottom, var(--hit) 0 34%, transparent 34% 66%, var(--hit) 66% 100%);
}
#hud-kill::before, #hud-kill::after { width: 5px; margin-left: -2.5px; background: linear-gradient(to bottom, var(--accent) 0 34%, transparent 34% 66%, var(--accent) 66% 100%); }
#hud-mark::before, #hud-kill::before { transform: rotate(45deg); }
#hud-mark::after, #hud-kill::after { transform: rotate(-45deg); }
@media (max-height: 640px) {
  #title h1, #menu h1 { font-size: 44px; }
  table.controls td { padding: 1px 0; }
}