/* Breakout · Game Lab
   Obsidian workshop: flat enamel tiles, steel rails, one Cyber Yellow accent. */

@font-face {
  font-family: 'Chakra Petch';
  font-weight: 500;
  font-display: swap;
  src: url('./fonts/chakra-petch-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Chakra Petch';
  font-weight: 700;
  font-display: swap;
  src: url('./fonts/chakra-petch-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-weight: 500;
  font-display: swap;
  src: url('./fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-weight: 800;
  font-display: swap;
  src: url('./fonts/jetbrains-mono-latin-800-normal.woff2') format('woff2');
}

:root {
  --obsidian: #09090b;
  --panel: #111113;
  --panel-2: #18181b;
  --rail: #27272a;
  --steel: #3f3f46;
  --text: #f4f4f5;
  --muted: #a1a1aa; /* 7.4:1 on obsidian */
  --yellow: #facc15;
  --red: #ef4444;
  --teal: #2dd4bf;
  --display: 'Chakra Petch', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--obsidian);
  color: var(--text);
  font: 500 16px/1.4 var(--display);
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

body {
  position: fixed;
  inset: 0;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

canvas#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: default;
}

body.is-playing canvas#game {
  cursor: none;
}

.mono {
  font-family: var(--mono);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

/* ---------- HUD ---------- */

.hud {
  position: fixed;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}

.hud[hidden] {
  display: none;
}

.hud button {
  pointer-events: auto;
}

.hud-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.hud-level {
  flex: none;
  padding: 3px 7px;
  border-radius: 3px;
  background: var(--yellow);
  color: var(--obsidian);
  font: 800 13px/1.2 var(--mono);
  letter-spacing: 0.04em;
}

.hud-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.hud-spacer {
  flex: 1;
}

.icon-btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--steel);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.icon-btn:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-btn .i-cross {
  display: none;
}

.icon-btn[aria-pressed='true'] .i-cross {
  display: inline;
}

.icon-btn[aria-pressed='true'] .i-waves {
  display: none;
}

.hud-row--stats {
  gap: 14px;
}

.hud-score {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.hud-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#hudScore {
  font-size: 22px;
  line-height: 1;
}

.hud-mult {
  padding: 2px 7px;
  border: 1px solid var(--steel);
  border-radius: 3px;
  color: var(--muted);
  font-size: 15px;
  transition: transform 120ms ease;
}

.hud-mult.is-hot {
  border-color: var(--yellow);
  color: var(--yellow);
}

.hud-mult.is-bump {
  transform: scale(1.18);
}

.hud-lives {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.hud-lives i {
  display: block;
  width: 18px;
  height: 6px;
  border-radius: 2px;
  background: var(--yellow);
}

.hud-lives i.is-gone {
  background: var(--rail);
}

.hud-effects {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 22px;
}

.fx-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px 4px 4px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--panel-2);
  border: 1px solid var(--rail);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fx-chip canvas {
  width: 26px;
  height: 12px;
}

.fx-chip b {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  background: var(--chip, var(--yellow));
}

/* Side layout: the HUD becomes a column left of the field. */
.hud.is-side .hud-row--top {
  flex-wrap: wrap;
}

.hud.is-side .hud-name {
  order: 3;
  flex-basis: 100%;
  white-space: normal;
}

.hud.is-side .hud-row--stats {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.hud.is-side .hud-score {
  flex-direction: column;
  gap: 2px;
}

.hud.is-side #hudScore {
  font-size: 26px;
}

.hud.is-side .hud-lives {
  margin-left: 0;
}

.hud.is-side .hud-effects {
  flex-direction: column;
  align-items: flex-start;
}

/* ---------- Field messages ---------- */

.field-msg {
  position: fixed;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  text-align: center;
  pointer-events: none;
}

.field-msg[hidden] {
  display: none;
}

.field-msg > * {
  margin: 0;
  max-width: 30ch;
  text-shadow: 0 1px 0 #000, 0 0 12px #000;
}

.field-msg__kicker {
  color: var(--yellow);
  font: 800 13px/1.3 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.field-msg__title {
  font-size: clamp(22px, 5vmin, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.field-msg__tip {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text);
}

.field-msg > .field-msg__hint {
  max-width: none;
  white-space: nowrap;
}

.field-msg__hint {
  margin-top: 14px;
  padding: 5px 10px;
  border: 1px solid var(--yellow);
  border-radius: 3px;
  background: rgba(9, 9, 11, 0.85);
  color: var(--yellow);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: none;
}

.toast {
  position: fixed;
  z-index: 6;
  padding: 5px 12px;
  border-radius: 3px;
  background: var(--yellow);
  color: var(--obsidian);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Screens ---------- */

.screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  overflow-y: auto;
  overflow-x: hidden;
  background: rgba(9, 9, 11, 0.78);
  touch-action: pan-y;
}

.screen[hidden] {
  display: none;
}

.screen--title {
  background: linear-gradient(180deg, rgba(9, 9, 11, 0.55), rgba(9, 9, 11, 0.9) 70%);
}

.panel {
  position: relative;
  width: min(100%, 460px);
  padding: 22px 20px 20px;
  border: 1px solid var(--rail);
  border-top: 3px solid var(--yellow);
  border-radius: 4px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

.panel--narrow {
  width: min(100%, 360px);
  text-align: center;
}

.panel--wide {
  width: min(100%, 980px);
}

.panel--title {
  width: min(100%, 420px);
  text-align: center;
  background: rgba(17, 17, 19, 0.94);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 26px;
  letter-spacing: 0.02em;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 14px;
}

.panel-head h2 {
  margin: 0;
}

.panel-head .btn {
  margin-left: auto;
}

.panel-sub {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.kicker {
  margin: 0 0 4px;
  color: var(--yellow);
  font: 800 12px/1.3 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logo-bricks {
  display: inline-grid;
  grid-template-columns: repeat(6, 22px);
  gap: 3px;
  margin-bottom: 10px;
}

.logo-bricks i {
  height: 9px;
  border-radius: 1px;
  background: var(--yellow);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.35), inset 0 -2px 0 rgba(0, 0, 0, 0.3);
}

.logo-bricks i:nth-child(2) { background: #f59e0b; }
.logo-bricks i:nth-child(3) { background: #f97316; }
.logo-bricks i:nth-child(4) { visibility: hidden; }
.logo-bricks i:nth-child(5) { background: #e7e5e4; }
.logo-bricks i:nth-child(6) { background: #2dd4bf; }

.logo-word {
  margin: 0;
  font-size: clamp(44px, 13vw, 64px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.06em;
}

.logo-word span {
  color: var(--yellow);
}

.tagline {
  margin: 10px 0 18px;
  color: var(--muted);
}

.menu {
  display: grid;
  gap: 10px;
}

.btn {
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid var(--steel);
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 100ms ease, background-color 100ms ease;
}

.btn:hover {
  border-color: var(--yellow);
}

.btn--primary {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--obsidian);
}

.btn--primary:hover {
  background: #fde047;
}

.btn--quiet {
  background: transparent;
}

.btn--small {
  min-height: 44px;
  padding: 6px 14px;
  font-size: 14px;
}

.best-line {
  margin: 16px 0 0;
  min-height: 1.4em;
  color: var(--muted);
  font: 500 14px/1.4 var(--mono);
}

/* ---------- Level select ---------- */

.act-title {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.act-title:first-child {
  margin-top: 0;
}

.act-title b {
  color: var(--yellow);
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.level-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 10px;
  min-height: 82px;
  padding: 9px 10px;
  border: 1px solid var(--rail);
  border-radius: 4px;
  background: var(--panel-2);
  text-align: left;
  cursor: pointer;
}

.level-card:hover:not(:disabled) {
  border-color: var(--yellow);
}

.level-card:disabled {
  cursor: not-allowed;
  background: transparent;
  color: var(--muted);
}

.level-card__num {
  grid-row: 1 / 3;
  font: 800 24px/1 var(--mono);
  color: var(--yellow);
}

.level-card:disabled .level-card__num {
  color: var(--muted);
}

.level-card__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15;
}

.level-card .stars {
  grid-column: 2;
}

.level-card__best {
  grid-column: 1 / -1;
  margin-top: 6px;
  color: var(--muted);
  font: 500 12px/1.2 var(--mono);
}

.level-card.is-cleared {
  border-color: #52525b;
}

.stars {
  display: inline-flex;
  gap: 2px;
}

.stars svg {
  width: 14px;
  height: 14px;
}

.stars .on {
  fill: var(--yellow);
}

.stars .off {
  fill: none;
  stroke: #71717a;
  stroke-width: 1.5;
}

.stars--big {
  justify-content: center;
  gap: 8px;
  margin: 4px 0 12px;
}

.stars--big svg {
  width: 38px;
  height: 38px;
}

/* ---------- Result ---------- */

.tally {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 0;
  margin: 0 0 14px;
  text-align: left;
  font-size: 15px;
}

.tally dt {
  padding-right: 16px;
  color: var(--muted);
}

.tally dd {
  margin: 0;
  font-family: var(--mono);
  font-weight: 800;
  text-align: right;
}

.tally .total {
  padding-top: 6px;
  border-top: 1px solid var(--rail);
  color: var(--text);
  font-size: 18px;
}

.new-best {
  margin: -4px 0 14px;
  color: var(--yellow);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- Help ---------- */

.help-list {
  margin: 0 0 8px;
  padding-left: 18px;
  font-size: 15px;
}

.help-list li {
  margin-bottom: 6px;
}

.help-list b {
  color: var(--yellow);
}

.help-sub {
  margin: 14px 0 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.legend {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px;
}

.legend div {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.legend canvas {
  flex: none;
  width: 40px;
  height: 20px;
}

.field-msg.is-compact {
  padding: 6px;
}

.field-msg.is-compact .field-msg__title {
  font-size: 20px;
}

.field-msg.is-compact .field-msg__tip {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.3;
}

.field-msg.is-compact .field-msg__hint {
  margin-top: 8px;
}

/* Short landscape phones: the panel uses the full height. */
@media (max-height: 520px) and (min-width: 540px) {
  .screen {
    padding-top: max(10px, env(safe-area-inset-top));
    padding-bottom: 10px;
  }

  .panel {
    padding: 14px 16px;
  }

  .panel h2 {
    margin-bottom: 8px;
    font-size: 22px;
  }

  .menu {
    gap: 6px;
  }

  .btn {
    min-height: 44px;
    padding: 6px 14px;
  }

  .tagline {
    margin: 4px 0 10px;
  }

  .logo-word {
    font-size: 42px;
  }

  .stars--big svg {
    width: 28px;
    height: 28px;
  }

  .screen--title .panel,
  .panel--narrow {
    width: min(100%, 340px);
  }

  .panel--wide {
    width: min(100% - 180px, 980px);
    margin-left: 160px;
  }
}

/* Very short landscape phones: the title menu in two columns fits 320px. */
@media (max-height: 400px) and (orientation: landscape) {
  .screen--title .panel {
    width: min(100%, 460px);
  }

  .screen--title .menu {
    grid-template-columns: 1fr 1fr;
  }

  .logo-word {
    font-size: 36px;
  }

  .tagline {
    margin: 2px 0 8px;
  }

  /* Pause and results: wider card, two columns of buttons and figures. */
  .panel--narrow {
    width: min(100%, 560px);
  }

  .panel--narrow .menu {
    grid-template-columns: 1fr 1fr;
  }

  .tally {
    grid-template-columns: 1fr auto 1fr auto;
    column-gap: 0;
    margin-bottom: 8px;
    font-size: 14px;
  }

  .tally dd {
    padding-right: 18px;
  }

  .tally .total {
    font-size: 16px;
  }

  .stars--big svg {
    width: 24px;
    height: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toast,
  .btn,
  .hud-mult {
    transition: none;
  }

  .hud-mult.is-bump {
    transform: none;
  }
}