:root {
  --bg: #07111f;
  --bg-2: #091a2d;
  --panel: rgba(8, 18, 34, 0.76);
  --panel-soft: rgba(255,255,255,0.045);
  --line: rgba(110, 243, 255, 0.18);
  --text: #e7f7ff;
  --muted: #a0c5d5;
  --cyan: #6ff3ff;
  --violet: #bb7cff;
  --green: #67ffbf;
  --danger: #ff4f7e;
  --gold: #ffd76f;
  --shadow: 0 0 30px rgba(111, 243, 255, 0.08), inset 0 0 25px rgba(255, 255, 255, 0.02);
  --shadow-strong: 0 0 80px rgba(111, 243, 255, 0.08);
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(111,243,255,0.10), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(187,124,255,0.12), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(103,255,191,0.08), transparent 35%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  overflow-x: hidden;
  overflow-y: auto;
}
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 95%);
  pointer-events: none;
}
.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.22;
  pointer-events: none;
}
.orb-a {
  width: 260px; height: 260px; left: -60px; top: 100px;
  background: var(--cyan);
}
.orb-b {
  width: 280px; height: 280px; right: -60px; bottom: 120px;
  background: var(--violet);
}
.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 20px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
}
.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow), var(--shadow-strong);
  backdrop-filter: blur(14px);
  border-radius: 24px;
}
.glass-soft {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
}
.topbar, .footer {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.eyebrow {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.title-main,
#startScreen h1 {
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: 0.18em;
}
.subtitle, .hero-line {
  margin: 6px 0 0;
  color: var(--muted);
}
.hero-line {
  font-size: 17px;
  max-width: 760px;
}
.topbar-right, .legend, .intro-actions, .modal-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.pill, .mini-card {
  padding: 10px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.pill strong, .mini-card strong { font-weight: 800; }
.pill.strong { border-color: rgba(111,243,255,0.35); }
.pill.warn { border-color: rgba(255,215,111,0.35); }
.label {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.82fr);
  gap: 16px;
  min-height: 0;
}
.game-panel, .side-panel { padding: 16px; }
.hud {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  align-items: flex-start;
}
.hud-left, .hud-right {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.chapter-card { min-width: 170px; }
.objective-card {
  min-width: min(520px, 100%);
  line-height: 1.35;
}
.action-btn {
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 15px;
  background: rgba(255,255,255,0.055);
  color: var(--text);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  font-weight: 700;
}
.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(111,243,255,0.18);
  border-color: rgba(111,243,255,0.4);
}
.action-btn.primary {
  background: linear-gradient(135deg, rgba(111,243,255,0.26), rgba(187,124,255,0.20));
  border-color: rgba(111,243,255,0.42);
}
.action-btn.compact { padding-inline: 14px; }
.action-btn.big { padding: 14px 18px; min-width: 190px; }
.canvas-wrap {
  position: relative;
  min-height: clamp(430px, 62vh, 760px);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    radial-gradient(circle at 50% 10%, rgba(111,243,255,0.05), transparent 35%),
    linear-gradient(180deg, rgba(6,10,21,0.88), rgba(3,9,18,0.98));
}
canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.scanline {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.03), transparent 8%);
  background-size: 100% 6px;
  mix-blend-mode: soft-light;
  pointer-events: none;
  opacity: 0.25;
}
.side-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.panel-block {
  padding: 15px;
  border-radius: 18px;
  background: var(--panel-soft);
  border: 1px solid rgba(255,255,255,0.06);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.panel-block h2 {
  margin: 0;
  font-size: 18px;
}
.panel-block p, .panel-block li {
  margin: 8px 0;
  color: var(--muted);
  line-height: 1.5;
}
.panel-block ul {
  padding-left: 18px;
  margin: 0;
}
.panel-chip {
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(111,243,255,0.2);
  padding: 6px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.panel-chip.danger { color: var(--danger); border-color: rgba(255,79,126,0.28); }
.accent-block { box-shadow: inset 0 0 20px rgba(111,243,255,0.04); }
.boss-block { box-shadow: inset 0 0 30px rgba(255,79,126,0.04); }
.madeby {
  margin-top: auto;
  display: grid;
  place-items: center;
  min-height: 120px;
}
.signature {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(111,243,255,0.5), 0 0 28px rgba(111,243,255,0.22);
}
.dot {
  width: 12px;
  height: 12px;
  display: inline-block;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}
.player { background: var(--cyan); }
.clone { background: var(--violet); }
.switch { background: var(--green); }
.gate { background: var(--gold); }
.wall { background: #4b5d71; }
.hazard { background: var(--danger); }
.footer {
  font-size: 14px;
  color: var(--muted);
}
.flash {
  position: absolute;
  left: 50%; top: 18px;
  transform: translateX(-50%);
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(6, 20, 30, 0.92);
  border: 1px solid rgba(111,243,255,0.4);
  box-shadow: 0 0 20px rgba(111,243,255,0.18);
  font-weight: 800;
  z-index: 2;
}
.hidden { display: none !important; }
.modal,
.screen-overlay {
  position: fixed; inset: 0;
  display: grid;
  place-items: center;
  background: rgba(2, 6, 12, 0.78);
  z-index: 10;
  padding: 20px;
}
.modal-card,
.screen-card {
  width: min(920px, calc(100vw - 40px));
  padding: 28px;
}
.intro-card {
  max-height: min(90vh, 920px);
  overflow: auto;
}
.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.intro-grid section,
.intro-story {
  padding: 16px;
}
.intro-grid h2,
.modal-card h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.5vw, 34px);
}
.intro-grid p,
.intro-grid li,
.intro-story p,
.modal-card p { color: var(--muted); line-height: 1.6; }
.story-tag, .made-line, .modal-credit {
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.made-line, .modal-credit { margin-top: 16px; }
@media (max-width: 1200px) {
  .main-layout { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .app-shell { padding: 14px; }
  .topbar, .footer, .game-panel, .side-panel { padding: 14px; }
  .hud { flex-direction: column; }
  .objective-card { min-width: 0; }
  .intro-grid { grid-template-columns: 1fr; }
  .canvas-wrap { min-height: 56vh; }
}