:root {
  color-scheme: dark;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #070b0d;
  color: #e8f2f7;
}

#scene3d {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  background: #050708;
  z-index: 0;
}

#view {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  background: transparent;
  pointer-events: none;
  z-index: 1;
}

.round-hud {
  position: fixed;
  right: 12px;
  bottom: 12px;
  width: min(360px, calc(100vw - 24px));
  background: rgba(5, 10, 14, 0.82);
  border: 1px solid rgba(170, 210, 230, 0.25);
  border-radius: 10px;
  padding: 10px 12px;
  color: #dbf3ff;
  z-index: 3;
}

.round-hud p {
  margin: 0;
  font-size: 0.92rem;
}

.round-hud p + p {
  margin-top: 6px;
  color: #b8d9e8;
}

#actionLine {
  color: #ffe08d;
  font-weight: 700;
}

.marker-actions {
  display: none !important;
}

#markerToggleBtn,
#openDrawBtn,
#eraseMarkBtn {
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 7px 10px;
  font-weight: 700;
  cursor: pointer;
}

#markerToggleBtn {
  background: #e9d066;
  color: #1f1a09;
}

#openDrawBtn {
  background: #ff7777;
  color: #2b0b0b;
}

#eraseMarkBtn {
  background: #afb6bf;
  color: #1b2028;
}

.draw-panel {
  width: min(520px, 100%);
}

#drawCanvas {
  margin-top: 6px;
  width: 100%;
  max-width: 100%;
  border: 1px solid rgba(170, 210, 230, 0.35);
  background: #fff;
  touch-action: none;
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at 20% 15%, rgba(32, 68, 83, 0.8), rgba(7, 11, 13, 0.92));
}

.overlay.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

.overlay-panel {
  width: min(430px, 100%);
  background: rgba(6, 12, 16, 0.95);
  border: 1px solid rgba(170, 210, 230, 0.25);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  max-height: 92vh;
  overflow-y: auto;
}

.overlay-panel h1 {
  margin: 0 0 8px;
  letter-spacing: 0.04em;
  font-size: 1.35rem;
}

.overlay-panel label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
  color: #b9d8e8;
  font-size: 0.92rem;
}

#seedInput,
#usernameInput {
  width: 100%;
  border-radius: 6px;
  border: 1px solid #7698ac;
  background: #152028;
  color: #ecf6fc;
  padding: 8px;
}

#joinBtn {
  width: 100%;
  margin-top: 12px;
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  background: #4c9fb8;
  color: #0b151a;
  font-weight: 700;
  cursor: pointer;
}

#joinBtn:hover {
  background: #61b3cb;
}

#resumeBtn {
  width: 100%;
  margin-top: 12px;
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  background: #4c9fb8;
  color: #0b151a;
  font-weight: 700;
  cursor: pointer;
}

#resumeBtn:hover {
  background: #61b3cb;
}

#readyBtn {
  width: 100%;
  margin-top: 8px;
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  background: #78cb6a;
  color: #0a150b;
  font-weight: 700;
  cursor: pointer;
}

#readyBtn:hover {
  background: #8fe181;
}

#readyBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#quitBtn {
  width: 100%;
  margin-top: 8px;
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  background: #d26b5d;
  color: #200a07;
  font-weight: 700;
  cursor: pointer;
}

#quitBtn:hover {
  background: #e67f71;
}

#status {
  margin: 10px 0 0;
  color: #b2d8e8;
}

.banner {
  margin: 8px 0 0;
  padding: 8px 10px;
  border-radius: 6px;
  background: rgba(120, 203, 106, 0.16);
  border: 1px solid rgba(120, 203, 106, 0.45);
  color: #c7ffbf;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lobby-players {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(170, 210, 230, 0.2);
  border-radius: 8px;
  overflow: hidden;
}

.lobby-players li {
  padding: 7px 10px;
  font-size: 0.92rem;
  color: #d3e8f2;
  background: rgba(18, 27, 34, 0.8);
  border-top: 1px solid rgba(170, 210, 230, 0.12);
}

.lobby-players li:first-child {
  border-top: 0;
}

.lobby-players li.ready {
  color: #bdfcb5;
}

.lobby-players li.me {
  font-weight: 700;
}

.help {
  margin: 8px 0 0;
  opacity: 0.8;
  font-size: 0.9rem;
}