/* Screen layouts for the mockups. Mobile first (390 x 844), desktop from 900 px.
   Backgrounds: the design agent's images in assets/gen/ (status "ready to pick", 30 Oct 2026). Robby has not picked
   yet, so the b0 image of each pair is used as a provisional choice; swap the file names below once he picks.
   Without an image the CSS starfield and nebula below still render. */

html, body { height: 100%; }
body { overflow-x: hidden; }

.screen {
  --bg-img: none;
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  padding: max(var(--sp-3), env(safe-area-inset-top)) var(--sp-4) max(var(--sp-4), env(safe-area-inset-bottom));
  background:
    linear-gradient(180deg, rgb(var(--bg-rgb) / 0.35), rgb(var(--bg-rgb) / 0.85)),
    var(--bg-img) center / cover no-repeat,
    radial-gradient(1px 1px at 12% 18%, rgb(var(--fg-rgb) / 0.7), transparent 60%),
    radial-gradient(1px 1px at 72% 9%, rgb(var(--fg-rgb) / 0.6), transparent 60%),
    radial-gradient(1.5px 1.5px at 86% 34%, rgb(var(--signal-rgb) / 0.7), transparent 60%),
    radial-gradient(1px 1px at 33% 52%, rgb(var(--fg-rgb) / 0.5), transparent 60%),
    radial-gradient(1px 1px at 58% 76%, rgb(var(--fg-rgb) / 0.5), transparent 60%),
    radial-gradient(1px 1px at 6% 88%, rgb(var(--fg-rgb) / 0.45), transparent 60%),
    radial-gradient(1.5px 1.5px at 92% 82%, rgb(var(--fg-rgb) / 0.5), transparent 60%),
    radial-gradient(70% 45% at 75% 15%, rgb(var(--glow-rgb) / 0.35), transparent 70%),
    radial-gradient(60% 40% at 10% 80%, rgb(var(--glow-rgb) / 0.18), transparent 70%),
    var(--c-void);
}
.screen[data-bg="menu"] { --bg-img: url("../../assets/gen/bg-menu-portrait-s41-b0.png"); }
.screen[data-bg="lobby"] { --bg-img: url("../../assets/gen/bg-lobby-portrait-s41-b0.png"); }
.screen[data-bg="loading"] { --bg-img: url("../../assets/gen/bg-loading-portrait-s41-b0.png"); }
.screen[data-bg="end"] { --bg-img: url("../../assets/gen/bg-end-victory-s41-b0.png"); }
.screen[data-bg="end"][data-result="defeat"] { --bg-img: url("../../assets/gen/bg-end-defeat-s41-b0.png"); }
@media (min-aspect-ratio: 1/1) {
  .screen[data-bg="menu"] { --bg-img: url("../../assets/gen/bg-menu-wide-s41-b0.png"); }
  .screen[data-bg="lobby"] { --bg-img: url("../../assets/gen/bg-lobby-wide-s41-b0.png"); }
  .screen[data-bg="loading"] { --bg-img: url("../../assets/gen/bg-loading-wide-s41-b0.png"); }
}
/* the board keeps the CSS backdrop: bg-board has its own asteroid, which doubles up with the 3D asteroid */
.screen__body { flex: 1; display: flex; flex-direction: column; width: 100%; max-width: 560px; margin: 0 auto; gap: var(--sp-5); }
.screen__body--wide { max-width: 1100px; }
.screen__body--center { justify-content: center; }
.screen__foot { display: grid; gap: var(--sp-3); width: 100%; max-width: 560px; margin: 0 auto; padding-top: var(--sp-4); }
.screen__title { font: 500 var(--fs-h1)/var(--lh-h1) var(--font-display); }
.screen__lead { color: var(--c-text-2); }
/* RocketCode logo, bottom centre of every screen but the board; in the flow, so it never covers content */
.credit { display: flex; justify-content: center; margin-top: auto; padding-top: var(--sp-3); }
.credit img { height: 40px; width: auto; display: block; opacity: 0.9; }
.placeholder-note { position: fixed; z-index: 99; right: 8px; bottom: 8px; font: 400 10px var(--font-mono); color: var(--c-text-3);
  background: rgb(var(--bg-rgb) / 0.8); padding: 3px 6px; border-radius: 4px; pointer-events: none; }

/* wordmark on menu screens */
.brand { display: grid; justify-items: center; gap: var(--sp-2); text-align: center; }
.brand img { width: min(280px, 72vw); height: auto; filter: drop-shadow(0 2px 14px rgb(var(--bg-rgb) / 0.95)); }
.brand__tag { font: 400 var(--fs-small) var(--font-body); color: var(--c-text-2); text-shadow: 0 1px 6px rgb(var(--bg-rgb) / 1), 0 0 2px rgb(var(--bg-rgb) / 1); }

/* big menu buttons */
.menu-list { display: grid; gap: var(--sp-3); }
.menu-item { display: flex; align-items: center; gap: var(--sp-3); min-height: 60px; padding: 0 var(--sp-4); border-radius: var(--r-lg);
  border: 1px solid var(--c-line); background: var(--c-glass); color: var(--c-text); text-decoration: none;
  -webkit-backdrop-filter: blur(var(--blur-glass)); backdrop-filter: blur(var(--blur-glass));
  transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard); }
.menu-item:hover { border-color: var(--c-line-strong); background: rgb(var(--raised-rgb) / 0.8); }
.menu-item .ico { color: var(--c-gold); }
.menu-item__t { flex: 1; font: 500 var(--fs-body-lg)/1.2 var(--font-display); }
.menu-item__s { display: block; font: 400 var(--fs-label)/1.3 var(--font-body); color: var(--c-text-3); margin-top: 2px; }
.menu-item--primary { background: var(--fill-primary); color: var(--c-on-primary); border-color: var(--c-primary); box-shadow: var(--sh-primary); }
.menu-item--primary .ico, .menu-item--primary .menu-item__s { color: var(--c-on-primary); opacity: 0.78; }
.menu-item--primary:hover { background: var(--fill-primary-hover); }

/* option cards (mode, deck) */
.options { display: grid; gap: var(--sp-3); }
@media (min-width: 900px) { .options--2 { grid-template-columns: 1fr 1fr; } .options--3 { grid-template-columns: repeat(3, 1fr); } }
.option { position: relative; display: grid; gap: var(--sp-2); padding: var(--sp-4); border-radius: var(--r-lg); text-align: left; width: 100%;
  border: 1px solid var(--c-line); background: var(--c-glass); color: var(--c-text);
  -webkit-backdrop-filter: blur(var(--blur-glass)); backdrop-filter: blur(var(--blur-glass));
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard); }
.option:hover { border-color: var(--c-line-strong); }
.option[aria-pressed="true"], .option[aria-checked="true"] { border-color: var(--c-gold); box-shadow: 0 0 0 1px var(--c-gold), 0 0 22px rgb(var(--signal-rgb) / 0.22); }
.option__check { position: absolute; top: var(--sp-3); right: var(--sp-3); width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--c-line-strong);
  display: grid; place-items: center; color: var(--c-void); }
.option[aria-pressed="true"] .option__check, .option[aria-checked="true"] .option__check { background: var(--c-gold); border-color: var(--c-gold); }
.option__check .ico { width: 16px; height: 16px; --icon-stroke: 2.4; opacity: 0; }
.option[aria-pressed="true"] .option__check .ico, .option[aria-checked="true"] .option__check .ico { opacity: 1; }
.option__title { font: 500 var(--fs-h3)/1.2 var(--font-display); padding-right: 32px; }
.option__sub { font-size: var(--fs-small); color: var(--c-text-2); }
.seats-diagram { display: flex; gap: 6px; align-items: center; }
.seats-diagram svg { width: 18px; height: 18px; }
.seats-diagram .vs { font: 500 var(--fs-caption) var(--font-mono); color: var(--c-text-3); }

/* deck mix bar */
.mix { display: flex; height: 8px; border-radius: 4px; overflow: hidden; gap: 1px; background: rgb(var(--fg-rgb) / 0.06); }
.mix i { display: block; height: 100%; }
.mix-legend { display: flex; flex-wrap: wrap; gap: 4px 10px; font: 400 var(--fs-caption) var(--font-mono); color: var(--c-text-2); }
.mix-legend span { display: inline-flex; align-items: center; gap: 4px; }
.mix-legend i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.mt-attack { background: var(--c-danger); } .mt-habitat { background: #FFD27A; } .mt-armour { background: #2EC4B6; } .mt-crew { background: #EDEBF5; }
.mt-supply { background: #8B6CFF; } .mt-production { background: #3FA7FF; } .mt-tactic { background: #9EEA4A; } .mt-special { background: #E046F5; }

/* ---------------- game board ---------------- */
.board-screen { padding: 0; height: 100vh; height: 100dvh; min-height: 0; overflow: hidden; }
.game {
  height: 100%; display: grid; gap: var(--sp-2);
  grid-template-rows: auto auto minmax(0, 1fr) auto auto auto;
  grid-template-areas: "top" "opps" "board" "self" "actions" "hand";
  padding: max(var(--sp-2), env(safe-area-inset-top)) var(--sp-3) max(var(--sp-2), env(safe-area-inset-bottom));
}
.game__top { grid-area: top; display: flex; align-items: center; gap: var(--sp-2); min-width: 0; }
.game__top .turnbar { flex: 1; min-width: 0; }
.game__opps { grid-area: opps; min-width: 0; }
.game__board { grid-area: board; position: relative; min-height: 0; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; }
.game__board > * { grid-area: 1 / 1; }
.game__self { grid-area: self; min-width: 0; }
.game__actions { grid-area: actions; min-height: 48px; display: flex; align-items: center; gap: var(--sp-2); }
.game__hand { grid-area: hand; min-width: 0; }

.game__board > .board3d-host, .game__board > .board-extras { grid-area: 1 / 1; width: 100%; height: 100%; min-height: 0; }
.board-extras { position: relative; display: grid; place-items: center; pointer-events: none; }
.board-extras > * { pointer-events: auto; }
.board3d { position: relative; overflow: hidden; }
.board3d canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.board3d__labels { position: absolute; inset: 0; pointer-events: none; }
.board3d__label { position: absolute; left: 0; top: 0; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap;
  font: 500 var(--fs-caption) var(--font-mono); color: var(--c-text); padding: 2px 6px; border-radius: var(--r-sm); background: rgb(var(--bg-rgb) / .62); }
.board3d__emblem { width: 10px; height: 10px; }
.board3d__label.is-active { box-shadow: inset 0 0 0 1px var(--c-gold); }
.board3d__label.is-target { color: var(--c-danger); }
.board3d__label.is-picked { background: var(--c-danger); color: var(--c-void); }
.board3d__label.is-out { color: var(--c-text-3); }
.board3d__error { color: var(--c-text-3); font: 400 var(--fs-small) var(--font-mono); }

/* hand */
.hand { display: flex; gap: 6px; overflow-x: auto; overflow-y: visible; scroll-snap-type: x proximity; padding: 14px 2px 4px;
  margin: -12px -12px 0; padding-left: 12px; padding-right: 12px; scrollbar-width: none; }
.hand::-webkit-scrollbar { display: none; }
.hand .card { --card-w: 96px; scroll-snap-align: start; }
.hand-meta { display: flex; justify-content: space-between; font: 400 var(--fs-caption) var(--font-mono); color: var(--c-text-3); padding: 0 2px; }

.actions-hint { flex: 1; font-size: var(--fs-small); color: var(--c-text-2); min-width: 0; }
.actions-hint b { color: var(--c-text); }
.game__actions .btn { flex: none; }
.game__actions .grow { flex: 1; }

/* played card shown in the board centre */
.played { position: absolute; top: 4%; display: grid; justify-items: center; gap: 6px; text-align: center; }
.played .card { --card-w: 96px; }
.played__line { font: 500 var(--fs-label)/1.3 var(--font-body); color: var(--c-text-2); background: rgb(var(--bg-rgb) / 0.8); padding: 4px 8px; border-radius: var(--r-sm); }
.played__line b { color: var(--c-text); }

/* full-screen state overlays inside the board */
.state-overlay { position: absolute; inset: 0; z-index: var(--z-overlay); display: grid; place-items: center; padding: var(--sp-5);
  background: var(--c-scrim); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); text-align: center; }
.board-screen .state-overlay { position: fixed; }
.state-overlay__box { display: grid; gap: var(--sp-3); justify-items: center; max-width: 360px; }
.state-overlay__box .ico--xl { width: 48px; height: 48px; }
.state-overlay__title { font: 500 var(--fs-h1)/1.1 var(--font-display); }
.spinner { width: 36px; height: 36px; border-radius: 50%; border: 3px solid rgb(var(--fg-rgb) / 0.15); border-top-color: var(--c-gold); animation: spin 900ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast-stack { top: max(56px, env(safe-area-inset-top)); }

@media (min-width: 900px) {
  .game {
    grid-template-columns: 300px minmax(0, 1fr) 240px;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    grid-template-areas:
      "top top top"
      "opps opps opps"
      "self board actions"
      "hand hand hand";
    gap: var(--sp-3); padding: var(--sp-3) var(--sp-5) var(--sp-3);
  }
  .game__self { align-self: end; }
  .game__opps .opponents { max-width: 980px; margin: 0 auto; }
  .game__opps > .hp { max-width: 340px; margin: 0 auto; }
  .game__actions { flex-direction: column; align-items: stretch; justify-content: flex-end; align-self: end; }
  .game__actions .grow { flex: 0; }
  .game__actions .actions-hint { flex: 0; text-align: center; }
  .game__actions .target-bar { flex-direction: column; align-items: stretch; text-align: center; padding: var(--sp-3); }
  .game__actions .target-bar > .ico { align-self: center; }
  .hand { overflow: visible; justify-content: center; padding: 16px 0 4px; margin: 0; gap: 8px; }
  .hand .card { --card-w: 112px; }
  .hand-meta { justify-content: center; gap: var(--sp-5); }
  .played .card { --card-w: 132px; }
}
@media (min-width: 900px) and (max-height: 760px) { .game__opps .hp__res { display: none; } }

/* phone action bar: tighter buttons so the hint keeps room (Instrument Sans in RC Dark sets wider than Inter) */
@media (max-width: 899px) {
  .game__actions { gap: 6px; }
  .game__actions .btn:not(.btn--icon) { padding: 0 var(--sp-3); }
  .game__actions .actions-hint { font-size: var(--fs-label); line-height: 1.35; }
}

/* text that sits directly on a background image (not in a panel): shadow for legibility over the art */
.screen[data-bg] .screen__body > .t-caption, .screen[data-bg] .screen__body > .screen__lead, .screen[data-bg] .end-head p, .screen[data-bg] .end-head h1 {
  text-shadow: 0 1px 2px rgb(var(--bg-rgb) / 1), 0 0 10px rgb(var(--bg-rgb) / 0.95), 0 0 18px rgb(var(--bg-rgb) / 0.8);
}