:root {
  --bg: #07071a; --surf: #0f0f2e; --surf2: #181838;
  --cyan: #3ff0d0; --pink: #ff6eaa; --yellow: #ffd060;
  --green: #40e87a; --text: #d8d8ff; --muted: #5a6090; --r: 10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Share Tech Mono', monospace;
  overflow: hidden;
}

/* ── Screens ─────────────────────────────────────────────── */
.screen {
  display: none;
  width: 100vw; height: 100vh;
  align-items: center; justify-content: center;
  flex-direction: column;
}
.screen.active { display: flex; }

/* ── Menu ─────────────────────────────────────────────────── */
.menu-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 22px; width: 100%; max-width: 600px; padding: 32px 24px;
}

.game-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900; font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: 0.08em; line-height: 1;
}
.title-stick   { color: var(--text); }
.title-archer  { color: var(--cyan); margin-left: 0.12em; }

.tagline {
  color: var(--muted); font-size: 0.82rem;
  text-align: center; max-width: 420px; line-height: 1.55;
}

/* seed row */
.seed-row {
  display: flex; align-items: center; gap: 10px; width: 100%;
}
.seed-label {
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 0.75rem; color: var(--cyan); letter-spacing: 0.1em;
  white-space: nowrap;
}
.seed-input {
  flex: 1;
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 1rem; color: var(--cyan);
  background: var(--surf2); border: 1.5px solid var(--cyan);
  border-radius: var(--r); padding: 10px 14px;
  outline: none; transition: box-shadow .2s;
}
.seed-input::placeholder { color: var(--muted); }
.seed-input:focus { box-shadow: 0 0 0 3px rgba(63,240,208,.18); }

/* buttons */
.btn {
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 0.78rem; letter-spacing: 0.1em;
  border: none; border-radius: var(--r);
  padding: 10px 22px; cursor: pointer;
  text-decoration: none; display: inline-block;
  transition: transform .12s, box-shadow .12s, opacity .12s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--cyan); color: #07071a;
  box-shadow: 0 0 18px rgba(63,240,208,.35);
}
.btn-primary:hover { box-shadow: 0 0 28px rgba(63,240,208,.55); }

.btn-secondary {
  background: var(--surf2); color: var(--cyan);
  border: 1.5px solid var(--cyan);
}
.btn-secondary:hover { background: rgba(63,240,208,.08); }

.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1.5px solid var(--muted); font-size: 0.72rem;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

/* controls block */
.controls-block {
  background: var(--surf); border-radius: var(--r);
  padding: 16px 20px; width: 100%;
}
.controls-title {
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 0.65rem; color: var(--muted); letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.controls-grid {
  display: grid; grid-template-columns: auto 1fr;
  gap: 6px 18px; font-size: 0.78rem;
}
.key-label {
  background: var(--surf2); color: var(--yellow);
  border-radius: 4px; padding: 1px 6px;
  font-size: 0.72rem; white-space: nowrap;
  align-self: center;
}

/* recent seeds */
.recent-seeds {
  width: 100%; display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center;
}
.recent-chip {
  background: var(--surf2); border: 1px solid var(--muted);
  border-radius: 20px; padding: 5px 14px;
  font-size: 0.72rem; color: var(--muted);
  cursor: pointer; transition: color .15s, border-color .15s;
}
.recent-chip:hover { color: var(--cyan); border-color: var(--cyan); }

.back-link { margin-top: 4px; }

/* ── HUD ─────────────────────────────────────────────────── */
#hud {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; z-index: 10;
  background: rgba(7,7,26,.72); backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(63,240,208,.1);
  pointer-events: none;
}
.hud-cell {
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 0.82rem; letter-spacing: 0.06em;
  min-width: 160px;
}
.hud-left   { color: var(--cyan); text-align: left; }
.hud-center { color: var(--yellow); text-align: center; }
.hud-right  { color: var(--muted); text-align: right; }

/* ── Canvas ──────────────────────────────────────────────── */
#gameScreen { background: var(--bg); padding-top: 42px; }
#canvas {
  display: block;
  max-width: 100%; max-height: calc(100vh - 42px);
  margin: auto; cursor: crosshair;
  border-radius: 0 0 var(--r) var(--r);
}

/* ── Finish screen ───────────────────────────────────────── */
.finish-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; width: 100%; max-width: 520px; padding: 32px 24px;
}
.finish-title {
  font-family: 'Orbitron', sans-serif; font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.6rem); color: var(--green);
  text-shadow: 0 0 30px rgba(64,232,122,.5);
  letter-spacing: 0.08em;
}
.finish-stats {
  display: flex; gap: 20px; width: 100%;
}
.stat-box {
  flex: 1; background: var(--surf); border-radius: var(--r);
  padding: 18px 12px; text-align: center;
}
.stat-val {
  font-family: 'Orbitron', sans-serif; font-weight: 900;
  font-size: 2.4rem; color: var(--cyan); line-height: 1;
}
.stat-key {
  font-size: 0.65rem; color: var(--muted); letter-spacing: 0.1em;
  margin-top: 6px;
}
.new-pb {
  font-family: 'Orbitron', sans-serif; font-weight: 900;
  font-size: 1.1rem; color: var(--yellow);
  text-shadow: 0 0 20px rgba(255,208,96,.6);
  letter-spacing: 0.1em;
  animation: pulse 1s ease-in-out infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.7; transform: scale(0.97); }
  to   { opacity: 1;   transform: scale(1.03); }
}
.hidden { display: none !important; }

/* leaderboard */
.leaderboard-block {
  background: var(--surf); border-radius: var(--r);
  padding: 16px 20px; width: 100%;
}
.lb-title {
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 0.65rem; color: var(--muted); letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.lb-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.lb-list li {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.82rem;
}
.lb-rank { color: var(--muted); min-width: 20px; }
.lb-score { color: var(--cyan); font-weight: bold; min-width: 28px; }
.lb-date  { color: var(--muted); font-size: 0.7rem; margin-left: auto; }
.lb-you   { color: var(--green); font-size: 0.68rem; }

/* share */
.share-msg {
  font-size: 0.78rem; color: var(--green);
  min-height: 18px; text-align: center;
}

.finish-buttons {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}