:root {
  --bg: #030611;
  --panel: rgba(8, 13, 32, 0.78);
  --frost: #47d9ff;
  --frost-2: #7af7ff;
  --inferno: #ff6b21;
  --inferno-2: #ffc64c;
  --text: #f7fbff;
  --muted: #9cacbf;
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow: hidden; }
button, select { font: inherit; }
button { cursor: pointer; }

#app, .screen { width: 100vw; height: 100vh; }
.screen { display: none; position: relative; overflow: hidden; }
.screen--active { display: flex; }

.glass {
  background: linear-gradient(145deg, rgba(13, 22, 49, .84), rgba(7, 9, 23, .76));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 18px 70px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

#homeScreen {
  align-items: center;
  justify-content: center;
  padding: 24px;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 15%, rgba(120, 42, 255, .14), transparent 35%),
    linear-gradient(180deg, #060918, #02040b 75%);
}

.home-bg { position: absolute; inset: 0; z-index: -2; opacity: .9; }
.home-bg--frost { background: radial-gradient(circle at 8% 48%, rgba(0, 188, 255, .32), transparent 36%); }
.home-bg--inferno { background: radial-gradient(circle at 92% 48%, rgba(255, 80, 0, .34), transparent 36%); }
#homeScreen::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 82%);
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.home-panel { width: min(860px, 96vw); border-radius: 22px; padding: clamp(22px, 4vw, 44px); text-align: center; }
.eyebrow { margin: 0 0 8px; color: #a5b6d2; letter-spacing: .28em; font-weight: 800; font-size: 11px; }
h1 { margin: 0; font-size: clamp(46px, 8vw, 92px); line-height: .95; letter-spacing: .08em; text-shadow: 0 0 26px rgba(255,255,255,.15); }
h1 span {
  background: linear-gradient(90deg, var(--frost), #d7fbff 45%, var(--inferno));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { margin: 16px 0 12px; font-size: clamp(13px, 2.2vw, 20px); letter-spacing: .18em; }
h2 b { color: var(--inferno-2); margin: 0 8px; }
.intro { max-width: 680px; margin: 0 auto 24px; color: var(--muted); line-height: 1.6; }

.setup-grid { display: grid; gap: 18px; }
.setup-block > label, .field > label { display: block; text-align: left; margin-bottom: 8px; color: #b6c5d8; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.kingdom-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kingdom-card { min-height: 124px; border-radius: 16px; border: 1px solid rgba(255,255,255,.1); color: white; background: rgba(255,255,255,.025); display: grid; place-items: center; align-content: center; gap: 5px; transition: .22s ease; }
.kingdom-card:hover { transform: translateY(-2px); }
.kingdom-card--frost.is-selected { border-color: var(--frost); box-shadow: inset 0 0 35px rgba(71,217,255,.12), 0 0 24px rgba(71,217,255,.18); }
.kingdom-card--inferno.is-selected { border-color: var(--inferno); box-shadow: inset 0 0 35px rgba(255,107,33,.12), 0 0 24px rgba(255,107,33,.18); }
.kingdom-icon { font-size: 28px; filter: drop-shadow(0 0 12px currentColor); }
.kingdom-card strong { letter-spacing: .1em; font-size: 13px; }
.kingdom-card small { color: var(--muted); }
.setup-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
select, .icon-btn { height: 46px; border-radius: 11px; color: white; border: 1px solid rgba(255,255,255,.12); background: #090e20; padding: 0 13px; outline: none; }
select:focus { border-color: #8d7cff; }
.input-group { display: grid; grid-template-columns: 1fr 46px; gap: 8px; }
.icon-btn { padding: 0; font-size: 20px; }
.start-btn { margin-top: 22px; width: 100%; min-height: 54px; border: 0; border-radius: 13px; color: #061019; font-weight: 1000; letter-spacing: .12em; background: linear-gradient(90deg, var(--frost), #f4fbff 50%, var(--inferno-2)); box-shadow: 0 0 35px rgba(87, 215, 255, .22); transition: .2s ease; }
.start-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.controls-help { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 20px; margin-top: 18px; color: #7f91ab; font-size: 11px; }
kbd { border: 1px solid rgba(255,255,255,.17); border-bottom-width: 2px; border-radius: 5px; background: rgba(255,255,255,.05); color: #dfeaff; padding: 2px 6px; }

#gameScreen { flex-direction: column; align-items: center; background: radial-gradient(circle at center, #10132c, #02040b 76%); padding: 10px; }
.game-toolbar { width: min(1120px, 100%); min-height: 48px; border-radius: 12px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 12px; margin-bottom: 8px; }
.brand-mini { font-weight: 1000; letter-spacing: .1em; }
.brand-mini span { color: var(--inferno-2); }
.map-name { color: #a8b7cd; font-weight: 800; font-size: 12px; letter-spacing: .16em; }
.toolbar-actions { justify-self: end; display: flex; gap: 7px; }
.toolbar-btn { width: 34px; height: 34px; border-radius: 9px; color: white; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); }

.battle-shell { position: relative; height: calc(100vh - 74px); aspect-ratio: 4 / 3; max-width: calc(100vw - 20px); display: flex; align-items: center; justify-content: center; }
#gameCanvas { display: block; width: 100%; height: 100%; border-radius: 12px; background: #040713; box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 25px 70px rgba(0,0,0,.55), 0 0 50px rgba(71,217,255,.08), 0 0 50px rgba(255,107,33,.08); }
.hud { position: absolute; z-index: 5; top: 10px; left: 50%; transform: translateX(-50%); width: calc(100% - 20px); min-height: 58px; border-radius: 10px; padding: 8px 14px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; pointer-events: none; }
.team-score > div:first-child { display: flex; justify-content: space-between; font-size: 12px; }
.team-score--inferno { text-align: right; }
.core-bar { height: 6px; margin: 5px 0; border-radius: 99px; overflow: hidden; background: rgba(255,255,255,.08); }
.core-bar i { display: block; width: 100%; height: 100%; transition: width .2s ease; }
.team-score--frost .core-bar i { background: linear-gradient(90deg, #1e91ff, var(--frost-2)); box-shadow: 0 0 12px var(--frost); transition: width .2s ease, box-shadow .2s ease; }
.team-score--inferno .core-bar i { margin-left: auto; background: linear-gradient(90deg, var(--inferno-2), #ff3c1f); box-shadow: 0 0 12px var(--inferno); transition: width .2s ease, box-shadow .2s ease; }
@keyframes coreWarnPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.35); }
}
.team-score--frost .core-bar i[style*="14px"],
.team-score--inferno .core-bar i[style*="14px"] { animation: coreWarnPulse .7s ease-in-out infinite; }
.team-score small { color: #71829c; font-size: 9px; letter-spacing: .1em; }
.round-state { text-align: center; min-width: 130px; }
.round-state span { display: block; font-size: 8px; color: #92a0b5; letter-spacing: .14em; }
.round-state strong { font-size: 16px; }

.overlay-card {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  background: rgba(2,4,11,.72);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  border-radius: 12px;
}
.overlay-card p { margin: 0 0 14px; font-size: clamp(24px, 5vw, 58px); font-weight: 1000; letter-spacing: .08em; text-shadow: 0 0 22px rgba(255,255,255,.3); }
.overlay-card small { color: #b7c5d7; font-size: 14px; }
.overlay-card button { min-width: 150px; min-height: 44px; border-radius: 10px; margin: 18px auto 0; border: 1px solid rgba(255,255,255,.15); color: white; background: rgba(255,255,255,.07); font-weight: 900; }
.result-actions { display: flex; justify-content: center; gap: 10px; }
.hidden { display: none !important; }

.mobile-controls { display: none; position: absolute; z-index: 12; inset: auto 14px 18px; justify-content: space-between; align-items: end; pointer-events: none; }
.dpad { width: 150px; height: 150px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 4px; }
.dpad button, .fire-btn {
  pointer-events: auto;
  touch-action: none;
  border: 1px solid rgba(255,255,255,.16);
  color: white;
  background: rgba(7,12,29,.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: inset 0 0 16px rgba(255,255,255,.04);
}
.dpad button { border-radius: 10px; }
.dpad [data-dir="up"] { grid-column: 2; grid-row: 1; }
.dpad [data-dir="left"] { grid-column: 1; grid-row: 2; }
.dpad [data-dir="down"] { grid-column: 2; grid-row: 2; }
.dpad [data-dir="right"] { grid-column: 3; grid-row: 2; }
.fire-btn { width: 86px; height: 86px; border-radius: 50%; color: #1a0a04; background: radial-gradient(circle, #fff2b3, var(--inferno)); font-weight: 1000; }

@media (max-width: 780px), (pointer: coarse) {
  body { overflow: auto; }
  #homeScreen { min-height: 100svh; height: auto; overflow-y: auto; }
  .home-panel { margin: auto; }
  .kingdom-pick, .setup-row { grid-template-columns: 1fr; }
  .controls-help { display: none; }
  #gameScreen { min-height: 100svh; height: 100svh; padding: 6px; }
  .game-toolbar { margin-bottom: 5px; }
  .brand-mini { font-size: 12px; }
  .battle-shell { width: calc(100vw - 12px); height: auto; max-height: calc(100svh - 58px); }
  .hud { top: 4px; width: calc(100% - 8px); min-height: 48px; padding: 6px 8px; gap: 7px; }
  .round-state { min-width: 80px; }
  .team-score small { display: none; }
  .mobile-controls { display: flex; }
}

@media (max-height: 700px) and (min-width: 781px) {
  .home-panel { transform: scale(.9); }
}