/* GameHub — a deliberate single-theme design: the page is a cabinet screen, so
 * it stays dark on any host ground. Every colour is painted explicitly rather
 * than inherited, and nothing is defined only inside a media query. */

:root {
  /* Arcade cabinets have monospaced score readouts; so does this. */
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  --bg: #0b0d17;
  --bg-2: #12162a;
  --panel: #171c33;
  --panel-2: #1e2440;
  --line: #2a3157;
  --text: #e8ecff;
  --muted: #97a0c8;
  --accent: #6ee7ff;
  --accent-2: #a78bfa;
  --hot: #ff5c8a;
  --good: #4ade80;
  --warn: #fbbf24;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1100px 700px at 12% -12%, #1d2350 0%, transparent 60%),
    radial-gradient(900px 600px at 92% 0%, #2a1c4a 0%, transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .card:hover { transform: none; }
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

/* ------------------------------------------------------------------ head */

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: 30px;
  margin: 0;
}

.brand .dot { color: var(--accent); }

.brand-sub {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
}

.spacer { flex: 1 1 auto; }

.tagline {
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 15px;
}

/* ---------------------------------------------------------------- chrome */

.gbtn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .08s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.gbtn:hover { background: #262d51; border-color: #3a4477; }
.gbtn:active { transform: translateY(1px); }
.gbtn:focus-visible,
.key:focus-visible,
.cell:focus-visible,
.chip:focus-visible,
.search:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.gbtn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, #35c9e8 100%);
  border-color: transparent;
  color: #05202b;
}

.gbtn.primary:hover { filter: brightness(1.08); }

.gbtn.on { border-color: var(--accent); color: var(--accent); }

/* ----------------------------------------------------------------- tools */

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 20px;
}

.search {
  flex: 1 1 200px;
  max-width: 280px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  padding: 9px 13px;
  border-radius: 10px;
}

.search::placeholder { color: #6d769c; }
.search:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: .15s;
}

.chip:hover { color: var(--text); border-color: #3a4477; }

.chip.active {
  background: rgba(110, 231, 255, .12);
  border-color: var(--accent);
  color: var(--accent);
}

/* ------------------------------------------------------------------ grid */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  text-align: left;
  appearance: none;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, var(--panel) 0%, var(--bg-2) 100%);
  color: var(--text);
  font: inherit;
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  overflow: hidden;
  transition: transform .16s cubic-bezier(.2, .8, .3, 1), border-color .16s, box-shadow .16s;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity .16s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #3d4880;
  box-shadow: var(--shadow);
}

.card:hover::after { opacity: 1; }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.card-emoji {
  font-size: 34px;
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

.card-name {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
  margin-bottom: 4px;
}

.card-desc {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.45;
  min-height: 40px;
}

.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 12px;
  color: #7c86b0;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 600;
  letter-spacing: .02em;
}

.best {
  margin-left: auto;
  color: var(--warn);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.empty {
  color: var(--muted);
  padding: 40px 4px;
  grid-column: 1 / -1;
  text-align: center;
}

/* ------------------------------------------------------------------ play */

.play { display: none; }
body.playing .hub { display: none; }
body.playing .play { display: block; }

.play-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.play-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
}

.hud {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

.hud-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 5px 12px;
  display: flex;
  align-items: baseline;
  gap: 7px;
  min-width: 78px;
}

.hud-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 700;
}

.hud-value {
  font: 700 16px/1.2 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin-left: auto;
}

.best { font-family: var(--mono); }

/* A cabinet screen is darkest at its corners — a vignette, not a scanline
 * gimmick, since half the games render as DOM text that must stay crisp. */
.stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(120% 100% at 50% 45%,
    transparent 55%, rgba(3, 5, 12, .5) 100%);
}

.stage {
  position: relative;
  background: linear-gradient(180deg, #0e1224 0%, #0a0d1b 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.controls-hint {
  color: var(--muted);
  font-size: 13px;
  margin: 12px 2px 0;
  text-align: center;
}

.controls-hint kbd {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font: 600 12px/1.5 var(--mono);
  color: var(--text);
}

.canvas-wrap { width: 100%; }

.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: #070a15;
  touch-action: none;
}

/* --------------------------------------------------------------- overlay */

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 9, 20, .82);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  z-index: 20;
  animation: fade .18s ease-out;
}

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.overlay-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 30px;
  text-align: center;
  max-width: 340px;
  box-shadow: var(--shadow);
}

.overlay-emoji { font-size: 40px; line-height: 1; margin-bottom: 8px; }

.overlay-card h2 {
  margin: 0 0 8px;
  font-size: 23px;
  letter-spacing: -.01em;
}

.overlay-card p {
  margin: 3px 0;
  color: var(--muted);
  font-size: 14.5px;
  /* Wordle's share grid arrives as a multi-line string. */
  white-space: pre-line;
}

.overlay-actions {
  display: flex;
  gap: 9px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------- touch ui */

.btn-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-bar .gbtn.wide { min-width: 120px; }

.dpad {
  display: grid;
  grid-template-columns: repeat(3, 54px);
  grid-template-rows: repeat(2, 48px);
  gap: 7px;
  justify-content: center;
}

.dpad .gbtn { font-size: 19px; padding: 0; }
.pad-u { grid-area: 1 / 2; }
.pad-l { grid-area: 2 / 1; }
.pad-d { grid-area: 2 / 2; }
.pad-r { grid-area: 2 / 3; }

/* Pointer-having devices don't need the thumb controls. */
@media (hover: hover) and (pointer: fine) {
  .dpad, .btn-bar.touch-only { display: none; }
}

/* ----------------------------------------------------------- game boards */

.board {
  display: grid;
  gap: 8px;
  user-select: none;
}

.cell {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-weight: 800;
  cursor: pointer;
  transition: background .12s, transform .08s;
  -webkit-tap-highlight-color: transparent;
}

.cell:hover { background: #29315a; }
.cell:active { transform: scale(.96); }
.cell.filled { cursor: default; }
.cell.filled:hover { background: var(--panel-2); }

.msg {
  font-size: 15px;
  color: var(--muted);
  min-height: 22px;
  text-align: center;
}

.msg strong { color: var(--text); }

.mono { font-family: var(--mono); }

/* keyboard used by hangman + wordle */
.keyboard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  width: 100%;
  max-width: 520px;
}

.krow { display: flex; gap: 5px; justify-content: center; width: 100%; }

.key {
  flex: 1 1 0;
  min-width: 0;
  max-width: 44px;
  height: 46px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: 700 14px/1 inherit;
  border-radius: 7px;
  cursor: pointer;
  transition: .12s;
  -webkit-tap-highlight-color: transparent;
}

.key:hover:not(:disabled) { background: #2c3459; }
.key:disabled { opacity: .38; cursor: default; }
.key.wide { flex: 1.6 1 0; max-width: 68px; font-size: 12px; }
.key.hit { background: var(--good); border-color: var(--good); color: #052e16; opacity: 1; }
.key.miss { background: #3a2130; border-color: #5b2c42; color: #b8879b; opacity: 1; }
.key.near { background: var(--warn); border-color: var(--warn); color: #3a2a03; opacity: 1; }
.key.absent { background: #1a1f36; border-color: #232a49; color: #5a6288; opacity: 1; }

.footer {
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #6d769c;
  font-size: 13px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 560px) {
  .wrap { padding: 20px 14px 48px; }
  .brand { font-size: 24px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .card { padding: 14px; }
  .card-desc { display: none; }
  .stage { padding: 12px; min-height: 320px; }
  .hud { width: 100%; margin-left: 0; }
}