/* Gleaming Ice: page shell and overlay screens. Same family as Neon Asteroids, Rescue Chopper,
   VectorTrackz and NeonCrawl. The overlay is laid out at the logical 960 x 540 and scaled onto
   the canvas letterbox by src/app/app.ts, so sizes here are logical pixels. */
:root {
  --bg: #04060d;
  --fg: #dfe9ff;
  --dim: #6f7ea6;
  --muted: #9aa9d0;
  --cyan: #3ee7ff;
  --magenta: #ff4fd8;
  --lime: #b8ff3c;
  --orange: #ffb23c;
  --red: #ff5a5a;
  --gold: #ffd700;
  --font: 'Orbitron', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
}
body:not(.gallery-page) {
  overflow: hidden; user-select: none; -webkit-user-select: none; touch-action: manipulation;
  overscroll-behavior: none; -webkit-tap-highlight-color: transparent; cursor: none;
}
body.in-menu { cursor: default; }

:root { --view-h: 100%; }
@supports (height: 100dvh) { :root { --view-h: 100dvh; } }

#game, #scanlines, #vignette {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--view-h);
}
#game { display: block; }
.hidden { display: none !important; }

/* ---- overlay screens (logical 960 x 540) ---- */
#overlay {
  position: fixed; top: 0; left: 0; width: 960px; height: 540px;
  transform-origin: 0 0; pointer-events: none; z-index: 5;
}
.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 18px 40px; text-align: center; pointer-events: auto;
  overflow-y: auto; scrollbar-width: none;
  animation: fadein 0.3s ease-out;
}
.screen::-webkit-scrollbar { display: none; }
/* A list screen sits on a dark plate of its own, so text reads over whatever the rink shows. */
.screen:not(#title) {
  background: radial-gradient(ellipse 62% 70% at center, rgba(4, 6, 13, 0.94) 0%, rgba(4, 6, 13, 0.82) 62%, rgba(4, 6, 13, 0.35) 100%);
}
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

h2 {
  margin: 0 0 6px;
  font-size: 30px; font-weight: 900; letter-spacing: 0.2em;
  color: #fff;
  text-shadow: 0 0 6px #fff, 0 0 18px var(--cyan), 0 0 40px rgba(62, 231, 255, 0.55);
}
.tiny { margin: 4px 0; font-size: 10px; font-weight: 500; letter-spacing: 0.16em; color: var(--muted); max-width: 820px; line-height: 1.5; }
.tiny.warn, .status.warn { color: var(--orange); text-shadow: 0 0 8px rgba(255, 178, 60, 0.5); }
.status { min-height: 15px; }
a { color: var(--cyan); text-decoration: none; }

/* ---- menus ---- */
.menu { display: flex; flex-direction: column; align-items: center; gap: 9px; margin: 16px auto 4px; }
.menu.inline { flex-direction: row; justify-content: center; flex-wrap: wrap; margin-top: 12px; gap: 10px; }
button {
  font: inherit; font-weight: 700; font-size: 14px; letter-spacing: 0.22em;
  color: var(--fg); background: rgba(4, 6, 13, 0.66);
  border: 1px solid rgba(62, 231, 255, 0.35);
  padding: 9px 22px; min-width: 240px;
  cursor: pointer; outline: none;
  transition: box-shadow 0.12s, border-color 0.12s, color 0.12s, background 0.12s;
}
.menu.inline button { min-width: 0; }
button:hover { border-color: rgba(62, 231, 255, 0.75); }
button:disabled { color: var(--dim); border-color: rgba(111, 126, 166, 0.3); cursor: default; }
/* The focused control: `.is-focus` mirrors DOM focus (src/ui/menu.ts). Not colour alone: arrows either side. */
button:focus, button:focus-visible, button.is-focus, a.is-focus, a:focus {
  color: #fff; border-color: var(--cyan); background: rgba(62, 231, 255, 0.12);
  box-shadow: inset 0 0 18px rgba(62, 231, 255, 0.22);
  text-shadow: 0 0 8px var(--cyan);
}
.menu button:focus::before, .menu button.is-focus::before { content: '▸ '; color: var(--cyan); }
.menu button:focus::after, .menu button.is-focus::after { content: ' ◂'; color: var(--cyan); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* ---- title: the logo is drawn on the canvas above; this is the menu under it ---- */
#title { justify-content: flex-start; padding-top: 286px; }
.title-menu { display: flex; flex-direction: column; align-items: center; }
.title-menu .menu { margin-top: 0; }
button.big {
  font-size: 20px; font-weight: 900; letter-spacing: 0.34em; padding: 12px 46px; min-width: 300px;
  color: var(--lime); border-color: rgba(184, 255, 60, 0.55);
  text-shadow: 0 0 10px rgba(184, 255, 60, 0.6);
}
button.big:focus, button.big.is-focus {
  color: #fff; border-color: var(--lime); background: rgba(184, 255, 60, 0.12);
  box-shadow: inset 0 0 22px rgba(184, 255, 60, 0.25); text-shadow: 0 0 10px var(--lime);
}
.menu.big button:focus::before, button.big:focus::before, button.big.is-focus::before { color: var(--lime); }
button.big:focus::after, button.big.is-focus::after { color: var(--lime); }
.menu.small button { font-size: 11px; padding: 7px 14px; letter-spacing: 0.18em; }
.foot { display: flex; justify-content: center; align-items: center; gap: 22px; margin-top: 16px; }
button.version-link, a.gallery-link {
  min-width: 0; padding: 4px 12px; font-size: 10px; font-weight: 500; letter-spacing: 0.15em;
  color: var(--muted); background: transparent; border: 1px dashed rgba(62, 231, 255, 0.4);
}
a.gallery-link { display: inline-block; }
#sound-hint {
  position: absolute; left: 50%; top: 8px; transform: translateX(-50%);
  padding: 5px 14px; font-size: 10px; font-weight: 700; letter-spacing: 0.22em;
  color: var(--orange); border: 1px solid rgba(255, 178, 60, 0.5); background: rgba(4, 6, 13, 0.8);
  animation: blink 1.4s steps(2) infinite; white-space: nowrap;
}
@keyframes blink { 50% { opacity: 0.45; } }

/* ---- mode and level: a choice with a line under it ---- */
.menu.choices { gap: 10px; }
.menu.choices button { display: flex; flex-direction: column; gap: 5px; min-width: 470px; padding: 11px 24px; }
.choice-name { font-size: 18px; font-weight: 900; letter-spacing: 0.26em; }
.choice-note { font-size: 9px; font-weight: 500; letter-spacing: 0.18em; color: var(--muted); }
.menu.choices button:focus::before, .menu.choices button.is-focus::before,
.menu.choices button:focus::after, .menu.choices button.is-focus::after { content: none; }
.menu.choices button:focus .choice-name::before, .menu.choices button.is-focus .choice-name::before { content: '▸ '; color: var(--cyan); }
.menu.choices button:focus .choice-name::after, .menu.choices button.is-focus .choice-name::after { content: ' ◂'; color: var(--cyan); }
.menu.choices button:disabled .choice-name, .menu.choices button:disabled .choice-note { color: var(--dim); }
.lvl-junior { color: var(--lime); }
.lvl-college { color: var(--orange); }
.lvl-pro { color: var(--red); }

/* ---- options ---- */
.rows { display: flex; flex-direction: column; gap: 3px; width: 600px; margin: 8px auto 0; }
button.row {
  display: flex; justify-content: space-between; align-items: center; width: 100%; min-width: 0;
  padding: 5px 16px; text-align: left; font-size: 12px;
}
.row-label { color: var(--muted); }
.row:focus .row-label, .row.is-focus .row-label { color: var(--fg); }
.row:focus .row-label::before, .row.is-focus .row-label::before { content: '▸ '; color: var(--cyan); }
.row-note:empty { display: none; }
.row-note { margin-left: 12px; font-size: 8px; letter-spacing: 0.12em; color: var(--dim); font-weight: 500; }
.row-value { color: var(--orange); min-width: 9em; text-align: right; font-variant-numeric: tabular-nums; }
.row-value.range::before { content: '◄ '; color: var(--dim); }
.row-value.range::after { content: ' ►'; color: var(--dim); }
.row:focus .row-value.range::before, .row.is-focus .row-value.range::before,
.row:focus .row-value.range::after, .row.is-focus .row-value.range::after { color: var(--cyan); }

/* ---- controls: one seat's key and pad-button slots ---- */
.bind-tabs { margin: 4px auto 8px; gap: 8px; }
.menu.bind-tabs button { padding: 5px 16px; font-size: 11px; }
button.bind-tab.p1[aria-pressed="true"] { color: var(--cyan); border-color: var(--cyan); box-shadow: inset 0 -3px 0 var(--cyan); }
button.bind-tab.p2[aria-pressed="true"] { color: var(--magenta); border-color: var(--magenta); box-shadow: inset 0 -3px 0 var(--magenta); }
.bind-grid { display: flex; flex-direction: column; gap: 3px; width: 820px; }
.bind-row { display: grid; grid-template-columns: 170px 3fr 2fr; gap: 12px; align-items: center; }
.bind-label { text-align: left; font-size: 10px; letter-spacing: 0.15em; color: var(--muted); }
.bind-head .bind-group, .bind-head .bind-label { font-size: 9px; letter-spacing: 0.25em; color: var(--dim); }
.bind-head .bind-group { justify-content: center; }
.bind-group { display: flex; gap: 5px; }
button.bind {
  flex: 1 1 0; min-width: 0; padding: 4px 4px; font-size: 10px; letter-spacing: 0.08em;
  color: var(--orange); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
button.bind.waiting { color: var(--lime); border-color: var(--lime); box-shadow: 0 0 14px rgba(184, 255, 60, 0.5); }
button.bind.conflict { color: var(--red); border-color: var(--red); }

/* ---- controller test ---- */
.pad-panel { width: 860px; text-align: left; font-size: 10px; letter-spacing: 0.1em; }
.pad-status { color: var(--lime); font-weight: 700; letter-spacing: 0.15em; }
.pad-name { color: var(--fg); margin-top: 4px; overflow-wrap: anywhere; white-space: pre-line; min-height: 26px; font-size: 9px; }
.pad-cap { color: var(--muted); font-size: 9px; letter-spacing: 0.25em; }
.pad-num { color: var(--orange); font-variant-numeric: tabular-nums; white-space: pre; font-size: 9px; }
.pad-live { display: grid; grid-template-columns: 140px 1fr; gap: 18px; align-items: start; margin: 10px 0; }
.pad-stickbox { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.pad-stick { position: relative; width: 104px; height: 104px; border: 1px solid rgba(62, 231, 255, 0.45); border-radius: 50%; background: rgba(4, 6, 13, 0.7); }
.pad-dead { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 1px dashed var(--dim); border-radius: 50%; }
.pad-dot { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 50%; }
.pad-dot.raw { width: 8px; height: 8px; border: 1px solid var(--fg); }
.pad-dot.shaped { width: 12px; height: 12px; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.pad-right { display: flex; flex-direction: column; gap: 6px; }
.pad-buttons { display: grid; grid-template-columns: repeat(9, 1fr); gap: 4px; }
.pad-button { padding: 4px 4px; border: 1px solid rgba(62, 231, 255, 0.3); color: var(--muted); text-align: center; white-space: nowrap; font-size: 9px; }
.pad-button.on, .pad-chip.on { color: #04060d; background: var(--lime); border-color: var(--lime); font-weight: 900; }
.pad-reads { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 4px; }
.pad-chip { padding: 3px 8px; border: 1px solid rgba(62, 231, 255, 0.3); color: var(--muted); }
.pad-rumble { justify-content: flex-start; margin: 4px 0; }
.menu.pad-rumble button { padding: 5px 12px; font-size: 10px; }
.pad-log { min-height: 5em; margin: 4px 0; padding: 6px 8px; border: 1px solid rgba(62, 231, 255, 0.25); color: var(--fg); white-space: pre-wrap; font-size: 9px; }

/* ---- changelog ---- */
.changelog-list {
  width: 720px; max-height: 340px; margin: 8px auto 0; padding: 2px;
  overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin;
  scrollbar-color: rgba(62, 231, 255, 0.45) transparent;
  display: flex; flex-direction: column; gap: 10px; text-align: left;
}
.changelog-card { padding: 10px 16px 12px; background: rgba(4, 6, 13, 0.82); border: 1px solid rgba(62, 231, 255, 0.25); border-left: 3px solid rgba(62, 231, 255, 0.55); }
.changelog-card.current { border-color: rgba(184, 255, 60, 0.5); border-left: 4px solid var(--lime); box-shadow: 0 0 14px rgba(184, 255, 60, 0.15); }
.changelog-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.changelog-badge, .changelog-now { padding: 2px 8px; font-size: 10px; font-weight: 700; letter-spacing: 0.12em; border: 1px solid; }
.changelog-badge { color: var(--cyan); }
.changelog-card.current .changelog-badge, .changelog-now { color: var(--lime); }
.changelog-date { margin-left: auto; font-size: 10px; letter-spacing: 0.1em; color: var(--muted); }
.changelog-title { margin: 8px 0 6px; font-size: 13px; letter-spacing: 0.12em; color: #fff; }
/* Sentences, not labels: the system face reads better than Orbitron at this size. */
.changelog-notes { margin: 0; padding-left: 18px; font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; font-size: 12px; line-height: 1.45; color: var(--fg); }
.changelog-notes li + li { margin-top: 3px; }

/* ---- feedback ---- */
.feedback { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 620px; }
.feedback-cats { margin: 4px 0 0; }
button.feedback-cat { padding: 6px 18px; font-size: 11px; }
button.feedback-cat[aria-checked="true"] { color: var(--lime); border-color: var(--lime); box-shadow: inset 0 -3px 0 var(--lime); }
.feedback textarea, .feedback input {
  width: 100%; font: inherit; font-size: 12px; letter-spacing: 0.06em; color: var(--fg);
  background: rgba(4, 6, 13, 0.85); border: 1px solid rgba(62, 231, 255, 0.35); padding: 8px 10px; outline: none; resize: none;
  user-select: text; -webkit-user-select: text;
}
.feedback textarea { font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; font-size: 13px; }
.feedback textarea:focus, .feedback input:focus, .feedback textarea.is-focus, .feedback input.is-focus { border-color: var(--cyan); box-shadow: 0 0 12px rgba(62, 231, 255, 0.35); }
.feedback ::placeholder { color: var(--dim); letter-spacing: 0.14em; font-family: var(--font); font-size: 10px; }
.feedback-widget { min-height: 66px; font-size: 10px; letter-spacing: 0.14em; color: var(--muted); display: flex; align-items: center; justify-content: center; }
.feedback .menu.inline { margin-top: 2px; }

/* ---- the art gallery ---- */
.gallery-page { padding: 24px 16px 64px; }
.gallery-head { text-align: center; margin-bottom: 24px; }
.gallery-head .logo { margin: 0; font-weight: 900; font-size: clamp(34px, 7vw, 76px); letter-spacing: 0.16em; color: #fff; text-shadow: 0 0 6px #fff, 0 0 18px var(--cyan), 0 0 40px var(--cyan), 0 0 80px rgba(62, 231, 255, 0.6); }
.gallery-head .logo.small { font-size: clamp(24px, 4vw, 40px); }
.gallery-head .subtitle { margin-top: 10px; color: var(--magenta); letter-spacing: 0.32em; font-size: clamp(10px, 1.4vw, 14px); text-shadow: 0 0 10px rgba(255, 79, 216, 0.6); }
.gallery-nav { color: var(--muted); font-size: 11px; letter-spacing: 0.2em; }
#gallery { max-width: 1240px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
#gallery h2 {
  flex-basis: 100%; margin: 28px 0 0; font-size: 15px; letter-spacing: 0.3em; color: #fff;
  text-shadow: 0 0 10px var(--magenta); border-bottom: 1px solid rgba(62, 231, 255, 0.25); padding-bottom: 6px;
}
.plate { margin: 0; display: flex; flex-direction: column; gap: 6px; max-width: 100%; }
.plate canvas { display: block; border: 1px solid rgba(62, 231, 255, 0.35); box-shadow: 0 0 18px rgba(62, 231, 255, 0.12); max-width: 100%; }
.plate figcaption { font-size: 11px; letter-spacing: 0.16em; display: flex; flex-direction: column; gap: 3px; max-width: 960px; }
.plate figcaption span { color: var(--muted); letter-spacing: 0.06em; font-family: 'Segoe UI', Arial, sans-serif; font-size: 12px; }
body.single .gallery-head { margin-bottom: 8px; }

/* ---- CRT dressing ---- */
#scanlines {
  z-index: 3; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0) 0px, rgba(0, 0, 0, 0) 2px, rgba(0, 0, 0, 0.13) 3px);
  mix-blend-mode: multiply;
}
body.no-scanlines #scanlines { display: none; }
#vignette { z-index: 4; pointer-events: none; background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.55) 100%); }

@media (prefers-reduced-motion: reduce) {
  .screen, #sound-hint { animation: none; }
}