:root {
  --p1: #2ee6ff;
  --p1-glow: rgba(46, 230, 255, 0.55);
  --p2: #ff6a3a;
  --p2-glow: rgba(255, 106, 58, 0.55);
  --bg: #02040b;
  --panel: rgba(6, 12, 28, 0.72);
  --panel-border: rgba(120, 180, 255, 0.18);
  --text: #dbe8ff;
  --muted: #7d8db0;
  --gold: #ffc46b;
  --danger: #ff4d6d;
  --font-display: 'Orbitron', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

#app { position: fixed; inset: 0; }

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

.hidden { display: none !important; }

/* ------------------------------------------------------------------ screens */

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.35s ease;
}

.screen.modal { background: rgba(1, 3, 10, 0.55); backdrop-filter: blur(3px); z-index: 20; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 36px 44px;
  text-align: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02) inset, 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(46, 230, 255, 0.06);
  max-width: 640px;
  width: 100%;
}

.panel::before {
  content: '';
  position: absolute;
  left: 22%; right: 22%; top: -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--p1), var(--p2), transparent);
  border-radius: 2px;
}

.title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 6vw, 68px);
  letter-spacing: 0.08em;
  margin: 0;
  line-height: 1.05;
  background: linear-gradient(90deg, var(--p1) 0%, #ffffff 50%, var(--p2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 18px rgba(120, 200, 255, 0.35));
}

.subtitle {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.6em;
  font-size: 14px;
  color: var(--gold);
  margin: 10px 0 18px;
  padding-left: 0.6em;
  text-shadow: 0 0 12px rgba(255, 196, 107, 0.6);
}

.desc { color: var(--muted); font-size: 18px; margin: 0 0 26px; }

.small-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.3em;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}

.label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--muted);
}

/* ------------------------------------------------------------------ buttons */

.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--text);
  background: rgba(20, 34, 66, 0.7);
  border: 1px solid rgba(140, 190, 255, 0.3);
  border-radius: 10px;
  padding: 14px 26px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s;
}
.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(160, 220, 255, 0.7);
  box-shadow: 0 0 22px rgba(46, 230, 255, 0.25);
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, rgba(46, 230, 255, 0.25), rgba(46, 120, 255, 0.25));
  border-color: rgba(46, 230, 255, 0.65);
  box-shadow: 0 0 18px rgba(46, 230, 255, 0.18);
}
.btn.primary:hover:not(:disabled) { box-shadow: 0 0 30px rgba(46, 230, 255, 0.45); }
.btn.ghost { background: transparent; border-color: rgba(140, 170, 220, 0.2); color: var(--muted); }
.btn.small { padding: 10px 16px; font-size: 12px; }
.btn.big { padding: 16px 48px; font-size: 18px; }
.btn.is-ready {
  background: linear-gradient(135deg, rgba(80, 255, 160, 0.3), rgba(40, 200, 120, 0.25));
  border-color: rgba(100, 255, 170, 0.8);
  box-shadow: 0 0 26px rgba(100, 255, 170, 0.35);
}

.menu-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.menu-buttons .btn { min-width: 200px; }

.join-form { display: flex; gap: 10px; justify-content: center; margin-top: 18px; }
.join-form input, .invite-row input {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.4em;
  text-align: center;
  text-transform: uppercase;
  width: 220px;
  padding: 10px 12px;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(46, 230, 255, 0.45);
  border-radius: 10px;
  outline: none;
  user-select: text;
}
.join-form input:focus { box-shadow: 0 0 18px rgba(46, 230, 255, 0.35); }
.form-error { min-height: 22px; margin-top: 10px; color: var(--danger); font-weight: 600; letter-spacing: 0.05em; }

.rules {
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--muted);
}
.rules .dot { margin: 0 10px; color: var(--gold); }

/* ------------------------------------------------------------------ controls */

.controls-block {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 26px;
  flex-wrap: wrap;
}
.ctrl-card {
  border: 1px solid rgba(140, 170, 220, 0.15);
  border-radius: 12px;
  padding: 12px 16px;
  min-width: 220px;
  text-align: left;
  background: rgba(0, 0, 0, 0.25);
}
.ctrl-card h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.3em;
}
.ctrl-card.p1 h4 { color: var(--p1); }
.ctrl-card.p2 h4 { color: var(--p2); }
.ctrl-row { display: flex; justify-content: space-between; gap: 18px; font-size: 15px; color: var(--muted); line-height: 1.6; }
kbd {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--text);
  border: 1px solid rgba(160, 190, 240, 0.3);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.04);
}

/* ------------------------------------------------------------------ lobby */

.room-code {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 9vw, 84px);
  letter-spacing: 0.25em;
  padding-left: 0.25em;
  margin: 4px 0 14px;
  color: #fff;
  text-shadow: 0 0 24px rgba(46, 230, 255, 0.65), 0 0 60px rgba(46, 230, 255, 0.25);
  user-select: text;
}
.invite-row { display: flex; gap: 8px; justify-content: center; align-items: center; flex-wrap: wrap; }
.invite-row input { font-size: 13px; letter-spacing: 0.04em; width: 280px; text-transform: none; color: var(--muted); }

.players { display: flex; align-items: center; gap: 14px; margin: 28px 0 16px; }
.pslot {
  flex: 1;
  border-radius: 12px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.pslot .pname { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.18em; font-size: 14px; }
.pslot .pstatus { margin-top: 6px; font-size: 16px; font-weight: 600; letter-spacing: 0.12em; color: var(--muted); }
.pslot.p1 .pname { color: var(--p1); }
.pslot.p2 .pname { color: var(--p2); }
.pslot.connected.p1 { border-color: rgba(46, 230, 255, 0.45); box-shadow: 0 0 22px rgba(46, 230, 255, 0.15); }
.pslot.connected.p2 { border-color: rgba(255, 106, 58, 0.45); box-shadow: 0 0 22px rgba(255, 106, 58, 0.15); }
.pslot.connected .pstatus { color: var(--text); }
.pslot.ready .pstatus { color: #6dffae; text-shadow: 0 0 10px rgba(109, 255, 174, 0.6); }
.pslot.away .pstatus { color: var(--gold); }
.vs { font-family: var(--font-display); font-weight: 900; color: var(--muted); letter-spacing: 0.1em; }

.you-tag {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 0.2em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  vertical-align: middle;
}

.lobby-msg { color: var(--muted); font-size: 17px; margin-bottom: 18px; min-height: 22px; }
.lobby-msg .pulse { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

#btn-leave-lobby { margin-top: 20px; }

/* ------------------------------------------------------------------ HUD */

#hud { position: absolute; inset: 0; pointer-events: none; }

.score-box {
  position: absolute;
  top: 18px;
  padding: 10px 18px;
  min-width: 150px;
}
.score-box.left { left: 22px; text-align: left; }
.score-box.right { right: 22px; text-align: right; }
.score-box .sname { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: 0.25em; }
.score-box .snum { font-family: var(--font-display); font-weight: 900; font-size: 48px; line-height: 1.05; }
.score-box.p1 { color: var(--p1); text-shadow: 0 0 18px var(--p1-glow); }
.score-box.p2 { color: var(--p2); text-shadow: 0 0 18px var(--p2-glow); }
.score-box .snum.bump { animation: bump 0.5s ease; }
@keyframes bump { 0% { transform: scale(1); } 30% { transform: scale(1.5); } 100% { transform: scale(1); } }
.score-box.right .snum { transform-origin: right center; }
.score-box.left .snum { transform-origin: left center; }

.pips { display: flex; gap: 6px; margin-top: 4px; }
.score-box.right .pips { justify-content: flex-end; }
.pip { width: 18px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.12); }
.p1 .pip.on { background: var(--p1); box-shadow: 0 0 10px var(--p1); }
.p2 .pip.on { background: var(--p2); box-shadow: 0 0 10px var(--p2); }

.round-label {
  position: absolute;
  top: 22px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--muted);
}

.center {
  position: absolute;
  left: 0; right: 0; top: 34%;
  text-align: center;
  transform: translateY(-50%);
}
.center-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 8vw, 110px);
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}
.center-text.pop { animation: pop 0.55s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes pop { 0% { transform: scale(2.2); opacity: 0; } 60% { opacity: 1; } 100% { transform: scale(1); } }
.center-text.fade { transition: opacity 0.5s ease 0.35s; opacity: 0; }
.center-text.p1c, .p1c { color: var(--p1); text-shadow: 0 0 30px var(--p1-glow); }
.center-text.p2c, .p2c { color: var(--p2); text-shadow: 0 0 30px var(--p2-glow); }
.center-sub {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.35em;
  color: var(--text);
  opacity: 0.85;
}

.weapon {
  position: absolute;
  bottom: 52px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--muted);
}
.weapon-bar { width: 120px; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
#weapon-fill { height: 100%; width: 100%; background: var(--p1); box-shadow: 0 0 8px currentColor; }
.weapon.ready #weapon-label { color: var(--text); }

.hints {
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0.85;
}
.hints kbd { margin: 0 2px; }
.hints .sep { margin: 0 10px; opacity: 0.4; }

.net-info {
  position: absolute;
  bottom: 16px; right: 18px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  opacity: 0.6;
}

/* ------------------------------------------------------------------ result */

.result-panel { max-width: 560px; }
.result-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 6vw, 60px);
  letter-spacing: 0.06em;
  margin-top: 10px;
}
.result-score {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 54px;
  margin: 6px 0 4px;
  color: var(--muted);
}
.result-sub { color: var(--muted); font-size: 18px; margin-bottom: 24px; min-height: 22px; }
.result-buttons { display: flex; gap: 14px; justify-content: center; }
.result-status { margin-top: 16px; min-height: 22px; color: var(--muted); font-size: 16px; letter-spacing: 0.05em; }

/* ------------------------------------------------------------------ message */

.message-panel { max-width: 520px; }
.msg-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.5vw, 40px);
  letter-spacing: 0.08em;
  color: var(--danger);
  text-shadow: 0 0 22px rgba(255, 77, 109, 0.5);
}
.msg-title.info { color: var(--gold); text-shadow: 0 0 22px rgba(255, 196, 107, 0.45); }
.msg-text { color: var(--muted); font-size: 18px; margin: 14px 0 24px; line-height: 1.4; }
.msg-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ------------------------------------------------------------------ misc */

.toast {
  position: absolute;
  left: 50%; bottom: 90px;
  transform: translate(-50%, 20px);
  padding: 10px 18px;
  border-radius: 10px;
  background: rgba(8, 20, 40, 0.9);
  border: 1px solid rgba(46, 230, 255, 0.4);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 30;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.mute {
  position: absolute;
  bottom: 14px; left: 16px;
  z-index: 25;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
}
.mute:hover { color: var(--text); }

.noscript { position: absolute; inset: 0; display: grid; place-items: center; font-size: 22px; }

@media (max-height: 760px) {
  .panel { padding: 24px 32px; }
  .controls-block { margin-top: 16px; }
  .players { margin: 18px 0 12px; }
}