:root {
  color-scheme: dark;
  --bg-top: #020408;
  --bg-bottom: #090b10;
  --panel: rgba(3, 5, 8, 0.92);
  --panel-border: rgba(145, 214, 255, 0.16);
  --ink: #f7f0e5;
  --muted: rgba(235, 226, 214, 0.72);
  --accent: #ff8f47;
  --accent-strong: #ffbf89;
  --accent-soft: #35393f;
  --line: rgba(194, 231, 255, 0.14);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  overscroll-behavior: none;
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow: hidden;
  font-family: "Avenir Next Condensed", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(122, 234, 255, 0.03), transparent 18%),
    radial-gradient(circle at right 18% top 16%, rgba(255, 152, 82, 0.04), transparent 22%),
    linear-gradient(180deg, var(--bg-top) 0%, #05070b 44%, var(--bg-bottom) 100%);
}

button,
canvas {
  -webkit-tap-highlight-color: transparent;
}

.app {
  width: min(100%, 72rem);
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  align-items: stretch;
  padding:
    max(0.5rem, env(safe-area-inset-top))
    0.5rem
    max(0.5rem, env(safe-area-inset-bottom));
}

.eyebrow {
  margin: 0 0 0.18rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--muted);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  line-height: 1;
}

.status,
.overlay-copy {
  color: var(--muted);
}

.panel {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1.6rem;
  padding: 0.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.panel-head,
.stats,
.actions {
  display: grid;
}

.panel-head {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 5;
  grid-template-columns: auto;
  gap: 0;
  margin: 0;
}

.actions {
  grid-template-columns: auto;
  align-items: center;
  gap: 0.5rem;
}

.brand {
  display: none;
}

.ghost,
.cta {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  padding: 0.72rem 1rem;
  font: inherit;
  cursor: pointer;
  user-select: none;
}

.ghost {
  background: var(--accent-soft);
  color: #edf0f3;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta {
  background: linear-gradient(180deg, #ff8f57 0%, var(--accent) 100%);
  color: #fff8f0;
  box-shadow: 0 16px 36px rgba(255, 109, 37, 0.26);
}

.stats {
  display: none;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 0.62rem 0.7rem;
  background: #1f2328;
  box-shadow: none;
}

.chip-label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.playfield,
.canvas-frame,
.overlay {
  position: relative;
}

.playfield {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  border-radius: 1.45rem;
  padding: 0.55rem;
  background:
    radial-gradient(circle at top, rgba(122, 234, 255, 0.02), transparent 42%),
    linear-gradient(180deg, rgba(255, 148, 77, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(2, 4, 7, 0.98);
  border: 1px solid var(--line);
  touch-action: none;
  overscroll-behavior: contain;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.playfield-top-bar {
  width: 100%;
  flex: 0 0 var(--playfield-top-bar-height, 0px);
  max-height: 22vh;
  pointer-events: none;
}

.canvas-frame {
  border-radius: 1.1rem;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(255, 148, 77, 0.03), transparent 38%),
    radial-gradient(circle at 50% 110%, rgba(122, 234, 255, 0.03), transparent 42%),
    linear-gradient(180deg, #020408 0%, #04070b 34%, #090b10 100%);
  aspect-ratio: 10 / 14;
  width: min(100%, calc((100dvh - 2rem) * 0.714));
  height: auto;
  max-height: calc(100dvh - 2rem);
  max-width: 100%;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 24px 60px rgba(0, 0, 0, 0.28);
  touch-action: none;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(1, 2, 4, 0.72);
  transition: opacity 180ms ease, visibility 180ms ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-card {
  width: min(100%, 24rem);
  border-radius: 1.4rem;
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(6, 8, 11, 0.98), rgba(4, 6, 9, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.overlay-summary {
  display: none;
}

.upgrade-choices {
  display: none;
}

.overlay-current {
  margin-bottom: 1.1rem;
}

.overlay-current-label,
.overlay-stat-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
}

.overlay-current-value {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(3.5rem, 12vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: #fff7eb;
}

.overlay-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.overlay-stat {
  padding: 0.8rem 0.9rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.overlay-stat strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.2rem;
  color: #fff7eb;
}

.overlay[data-mode="start"] .overlay-card {
  width: auto;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.overlay[data-mode="start"] .overlay-kicker,
.overlay[data-mode="start"] .overlay-card h3,
.overlay[data-mode="start"] .overlay-copy {
  display: none;
}

.overlay[data-mode="start"] .cta {
  min-width: min(18rem, 78vw);
  min-height: 56px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overlay[data-mode="gameover"] .overlay-kicker {
  display: none;
}

.overlay[data-mode="gameover"] {
  position: fixed;
  inset: 0;
  z-index: 40;
  padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
  background: rgba(1, 2, 4, 0.34);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
}

.overlay[data-mode="gameover"] .overlay-card {
  width: min(100%, 34rem);
  text-align: center;
  padding: 1.5rem;
  background: rgba(6, 8, 11, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.overlay[data-mode="gameover"] .overlay-card h3 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 2.8rem);
}

.overlay[data-mode="gameover"] .overlay-copy {
  display: none;
}

.overlay[data-mode="gameover"] .overlay-summary {
  display: block;
}

.overlay[data-mode="gameover"] .cta {
  min-height: 60px;
  min-width: min(20rem, 82vw);
  margin-top: 1.25rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overlay[data-mode="upgrade"] .overlay-card {
  width: min(100%, 34rem);
  padding: 1.35rem;
}

.overlay[data-mode="upgrade"] .overlay-summary,
.overlay[data-mode="upgrade"] .cta {
  display: none;
}

.overlay[data-mode="upgrade"] .overlay-kicker,
.overlay[data-mode="upgrade"] .overlay-copy {
  display: none;
}

.overlay[data-mode="upgrade"] .upgrade-choices {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.upgrade-choice {
  width: 100%;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.1rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  color: var(--ink);
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.upgrade-choice:hover,
.upgrade-choice:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 191, 137, 0.36);
  background: linear-gradient(180deg, rgba(255, 191, 137, 0.1), rgba(255, 255, 255, 0.04));
  outline: none;
}

.upgrade-choice-family,
.upgrade-choice-preview {
  display: block;
}

.upgrade-choice-family {
  margin-bottom: 0.32rem;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.56);
}

.upgrade-choice-title {
  display: block;
  font-size: 1.15rem;
  line-height: 1.1;
  color: #fff7eb;
}

.upgrade-choice-preview {
  margin-top: 0.55rem;
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.78);
}

.upgrade-old {
  color: rgba(255, 255, 255, 0.52);
  text-decoration: line-through;
}

.upgrade-arrow {
  margin: 0 0.38rem;
  color: rgba(255, 255, 255, 0.5);
}

.upgrade-new {
  color: #95f3b8;
}

.overlay-kicker {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent-strong);
}

.overlay-card h3 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

@media (max-width: 760px) {
  .panel-head {
    top: 0.55rem;
    right: 0.55rem;
  }

  .actions {
    grid-template-columns: repeat(2, auto);
  }
}

@media (max-width: 560px) {
  .app {
    padding:
      max(0.2rem, env(safe-area-inset-top))
      0.2rem
      max(0.2rem, env(safe-area-inset-bottom));
  }

  .panel {
    padding: 0.3rem;
    border-radius: 0.95rem;
  }

  .playfield {
    padding: 0.28rem;
    border-radius: 0.92rem;
  }

  .chip {
    padding: 0.52rem 0.58rem;
  }

  .chip-label {
    font-size: 0.68rem;
  }

  .status {
    font-size: 0.8rem;
    line-height: 1.3;
  }

  .ghost,
  .cta {
    min-height: 38px;
    padding: 0.64rem 0.86rem;
  }

  .canvas-frame {
    width: min(100%, calc((100dvh - 0.65rem) * 0.714));
    height: auto;
    max-height: calc(100dvh - 0.65rem);
    border-radius: 0.8rem;
  }
}