/* Grace's Playground - shared look and feel.
   Every game page links this file, then adds its own stylesheet on top. */

:root {
  color-scheme: light dark;

  /* Palette */
  --ink: #241c33;
  --ink-soft: #5b5170;
  --cream: #fff6ec;
  --paper: #ffffff;
  --grape: #6c4cd6;
  --grape-dark: #513aa6;
  --bubble: #ff5fa2;
  --mint: #17b795;
  --sun: #ffc531;
  --sky: #37a7ff;
  --shadow: rgba(36, 28, 51, 0.18);
  --line: rgba(36, 28, 51, 0.12);

  /* Shape */
  --radius: 18px;
  --radius-lg: 28px;
  --tap: 48px;

  --font: "Trebuchet MS", "Segoe UI", Verdana, system-ui, sans-serif;
  --font-display: "Comic Sans MS", "Chalkboard SE", "Trebuchet MS", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4eefc;
    --ink-soft: #b5a9cd;
    --cream: #191426;
    --paper: #241d36;
    --grape: #a48cff;
    --grape-dark: #8f74ff;
    --shadow: rgba(0, 0, 0, 0.45);
    --line: rgba(255, 255, 255, 0.14);
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255, 95, 162, 0.16), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(55, 167, 255, 0.16), transparent 40%),
    radial-gradient(circle at 50% 96%, rgba(23, 183, 149, 0.14), transparent 45%);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 0.4em; }
p { line-height: 1.55; }

a { color: var(--grape); }

/* ---------- Page shell ---------- */

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.topbar h1 { margin: 0; font-size: clamp(1.4rem, 4vw, 2rem); }
.topbar .spacer { flex: 1 1 auto; }

.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 0 18px;
  border-radius: 999px;
  background: var(--paper);
  border: 2px solid var(--line);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 3px 0 var(--shadow);
}
.back:hover { border-color: var(--grape); color: var(--grape); }

/* ---------- Buttons ---------- */

.btn {
  min-height: var(--tap);
  padding: 0 22px;
  border: none;
  border-radius: 999px;
  background: var(--grape);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--grape-dark);
  transition: transform 90ms ease, box-shadow 90ms ease;
  touch-action: manipulation;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--grape-dark); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: 0 4px 0 var(--grape-dark); transform: none; }

.btn-pink { background: var(--bubble); box-shadow: 0 4px 0 #d43b7e; }
.btn-pink:active { box-shadow: 0 1px 0 #d43b7e; }
.btn-mint { background: var(--mint); box-shadow: 0 4px 0 #0d8d72; }
.btn-mint:active { box-shadow: 0 1px 0 #0d8d72; }
.btn-ghost {
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--line);
  box-shadow: 0 3px 0 var(--shadow);
}
.btn-ghost:active { box-shadow: 0 1px 0 var(--shadow); }

:where(button, a, [tabindex]):focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 3px;
}

/* ---------- Cards and panels ---------- */

.panel {
  background: var(--paper);
  border-radius: var(--radius-lg);
  border: 2px solid var(--line);
  box-shadow: 0 8px 0 var(--shadow);
  padding: 18px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 14px 0;
}

/* ---------- Scoreboard ---------- */

.scoreboard {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.stat {
  flex: 1 1 120px;
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  box-shadow: 0 4px 0 var(--shadow);
}
.stat .label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}
.stat .value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.7rem);
  font-variant-numeric: tabular-nums;
}

/* ---------- Overlay used by the arcade games ---------- */

.stage { position: relative; }

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 14px;
  justify-items: center;
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(3px);
  z-index: 5;
}
.overlay[hidden] { display: none; }
.overlay h2 { font-size: clamp(1.5rem, 6vw, 2.4rem); margin: 0; }
.overlay p { margin: 0; max-width: 34ch; color: var(--ink-soft); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.hint { color: var(--ink-soft); font-size: 0.9rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}