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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #101216;
  font-family: 'Segoe UI', 'Trebuchet MS', Verdana, sans-serif;
  color: #e8ecf1;
  user-select: none;
  -webkit-user-select: none;
}

#game { position: fixed; inset: 0; display: block; cursor: crosshair; }

.hidden { display: none !important; }

/* ---------------- overlay screens ---------------- */
#menu, #settings, #death {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(16,18,22,0.55) 0%, rgba(10,11,14,0.88) 100%);
  z-index: 20;
}

.menu-box {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 44px 56px;
  background: rgba(20, 23, 29, 0.82);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
}

.title {
  font-size: 64px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(90deg, #7dff5b, #4dffd2, #4dc9ff, #c95bff);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 0 18px rgba(77, 255, 210, 0.25));
}
.title-dot { -webkit-text-fill-color: #ff5b5b; color: #ff5b5b; }
.title-small { font-size: 34px; font-weight: 700; color: #e8ecf1; }
.subtitle { margin-top: -10px; color: #8b93a1; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }

#nick {
  width: 260px; padding: 12px 16px;
  font-size: 17px; text-align: center; color: #e8ecf1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#nick:focus { border-color: #4dffd2; box-shadow: 0 0 14px rgba(77,255,210,0.25); }

.btn {
  width: 260px; padding: 13px 0;
  font-size: 19px; font-weight: 700; letter-spacing: 0.5px;
  border: none; border-radius: 10px; cursor: pointer;
  transition: transform 0.08s, box-shadow 0.15s, filter 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn-play {
  color: #06281c;
  background: linear-gradient(180deg, #6dff9e, #2fd977);
  box-shadow: 0 4px 24px rgba(61, 230, 137, 0.35), inset 0 1px 0 rgba(255,255,255,0.5);
}
.btn-play:hover { filter: brightness(1.08); box-shadow: 0 4px 32px rgba(61, 230, 137, 0.55); }
.btn-ghost {
  color: #c6cdd8;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }

#fullscreen-btn {
  position: fixed; top: 18px; right: 18px;
  width: 46px; height: 46px; font-size: 24px; line-height: 1;
  color: #c6cdd8; background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 10px;
  cursor: pointer; z-index: 30;
}
#fullscreen-btn:hover { background: rgba(255,255,255,0.14); }

.footer { position: fixed; bottom: 22px; color: #6b7280; font-size: 13px; letter-spacing: 1px; }
.error { color: #ff7070; font-size: 14px; }

/* settings rows */
.row {
  width: 300px; display: flex; align-items: center; justify-content: space-between;
  font-size: 15px; color: #c6cdd8; gap: 16px;
}
.row input[type=range] { width: 150px; accent-color: #2fd977; }
.row input[type=checkbox] { width: 20px; height: 20px; accent-color: #2fd977; }
.row select {
  padding: 6px 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.14);
  background: #1a1e25; color: #e8ecf1; outline: none;
}

/* ---------------- HUD ---------------- */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

.panel {
  background: rgba(12, 14, 18, 0.55);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  backdrop-filter: blur(3px);
}

#leaderboard {
  position: fixed; top: 16px; right: 16px;
  width: 210px; padding: 10px 14px 12px;
  font-size: 13px;
}
.lb-title {
  font-weight: 700; font-size: 14px; letter-spacing: 1px; text-transform: uppercase;
  color: #9aa3b2; margin-bottom: 6px; text-align: center;
}
.lb-row { display: flex; gap: 8px; padding: 2px 4px; border-radius: 6px; color: #cfd6e0; white-space: nowrap; overflow: hidden; }
.lb-row .lb-rank { width: 20px; color: #7c8494; text-align: right; }
.lb-row .lb-name { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.lb-row .lb-score { color: #9aa3b2; }
.lb-row.me { background: rgba(77, 255, 210, 0.14); color: #7dffd8; font-weight: 700; }
.lb-row.me .lb-score, .lb-row.me .lb-rank { color: #7dffd8; }

#scorebar {
  position: fixed; left: 18px; bottom: 16px;
  display: flex; flex-direction: column;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}
#score { font-size: 34px; font-weight: 800; color: #fff; line-height: 1; }
#score-sub { font-size: 13px; color: #9aa3b2; margin-top: 4px; }

#hint {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  font-size: 12px; color: #6b7280; letter-spacing: 1px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.8);
}

#minimap {
  position: fixed; right: 16px; bottom: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 60, 70, 0.5);
  box-shadow: 0 0 24px rgba(0,0,0,0.6), 0 0 12px rgba(255,60,70,0.25);
  background: rgba(10, 12, 16, 0.6);
}

/* death screen */
.death-box { min-width: 340px; }
.death-stats { display: flex; gap: 34px; margin: 6px 0 10px; }
.death-stats > div { display: flex; flex-direction: column; align-items: center; }
.stat-label { font-size: 12px; color: #8b93a1; text-transform: uppercase; letter-spacing: 1px; }
.stat-value { font-size: 30px; font-weight: 800; color: #fff; }
.hint-small { font-size: 12px; color: #6b7280; }