/* Brickfall UI. iPhone Safari first: portrait, 375px-responsive, safe-area
   insets, dark game field, prefers-color-scheme for the menus, >=44px tap
   targets, and full gesture suppression on the play surface. */

:root {
  --bg: #05060f;
  --panel: rgba(12, 14, 30, 0.92);
  --ink: #eafcff;
  --muted: #9aa4c8;
  --cyan: #00e5ff;
  --pink: #ff2d95;
  --violet: #a970ff;
  --tap: 44px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  /* No scrolling, zooming, or rubber-banding anywhere. */
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  position: fixed;
  inset: 0;
  width: 100%;
}

#app {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* The canvas is the play surface — suppress every native gesture on it. */
.play-surface {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  overscroll-behavior: none;
  background: var(--bg);
}

/* ---- HUD ---- */
.hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(env(safe-area-inset-top, 0px) + 8px) 14px 8px;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  pointer-events: none;
  z-index: 5;
}

.hud-item {
  background: rgba(10, 12, 26, 0.55);
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.hud-item span {
  color: var(--cyan);
  font-weight: 700;
}

.hud-btn {
  margin-left: auto;
  min-width: var(--tap);
  min-height: var(--tap);
  border-radius: 12px;
  border: 1px solid rgba(0, 229, 255, 0.35);
  background: rgba(10, 12, 26, 0.7);
  color: var(--cyan);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 2px;
  pointer-events: auto;
}

/* ---- Screens (overlays) ---- */
.screen {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(env(safe-area-inset-top, 0px) + 16px) 20px
    calc(env(safe-area-inset-bottom, 0px) + 16px);
  background: radial-gradient(120% 80% at 50% 0%, rgba(20, 24, 54, 0.92), rgba(5, 6, 15, 0.97));
  backdrop-filter: blur(2px);
}

.screen-inner {
  width: 100%;
  max-width: 340px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.logo {
  margin: 0;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.6);
}

.logo span {
  color: var(--pink);
  text-shadow: 0 0 18px rgba(255, 45, 149, 0.6);
}

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

.howto {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  margin: 4px 0;
}

.btn {
  min-height: var(--tap);
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--ink);
  background: rgba(10, 12, 26, 0.7);
}

.btn-primary {
  background: linear-gradient(180deg, var(--cyan), #0891b2);
  color: #001016;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
  border: none;
}

.btn-ghost {
  background: rgba(10, 12, 26, 0.6);
  border: 1px solid rgba(154, 164, 200, 0.35);
  color: var(--ink);
}

.bests {
  margin-top: 8px;
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.bests span {
  color: var(--ink);
  font-weight: 700;
}

/* ---- Draft ---- */
.draft-sub {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.draft-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  min-height: 88px; /* comfortably above the 44px minimum */
  border-radius: 16px;
  padding: 14px 16px;
  text-align: left;
  background: linear-gradient(180deg, rgba(24, 28, 60, 0.95), rgba(12, 14, 30, 0.95));
  border: 1px solid rgba(0, 229, 255, 0.35);
  color: var(--ink);
  cursor: pointer;
}

.card:active {
  transform: scale(0.98);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--cyan);
}

.card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
}

.card .tags {
  margin-top: 8px;
  font-size: 11px;
  color: var(--violet);
}

/* ---- Game over ---- */
.go-stats {
  font-size: 18px;
  display: grid;
  gap: 6px;
}

.go-stats span,
.go-bests span {
  color: var(--cyan);
  font-weight: 800;
}

.go-bests {
  font-size: 13px;
  color: var(--muted);
  display: grid;
  gap: 4px;
}

.seed {
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.hidden {
  display: none !important;
}

/* Menus honor the OS light/dark preference; the game field stays dark. */
@media (prefers-color-scheme: light) {
  .screen {
    background: radial-gradient(120% 80% at 50% 0%, rgba(235, 240, 255, 0.95), rgba(210, 220, 245, 0.98));
    color: #0a0b1a;
  }
  .screen .tagline,
  .screen .howto,
  .screen .bests,
  .screen .draft-sub,
  .card p {
    color: #3a4260;
  }
  .card {
    background: linear-gradient(180deg, #ffffff, #eef2ff);
    color: #0a0b1a;
  }
  .btn-ghost {
    background: rgba(255, 255, 255, 0.7);
    color: #0a0b1a;
  }
}