:root {
  --sidebar-width: 360px;
  --panel-gap: 14px;
  --panel-bg: rgba(13, 18, 20, 0.78);
  --panel-border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #10131a;
  color: #f2f5ef;
  font-family: Arial, Helvetica, sans-serif;
}

.game-shell {
  position: relative;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  width: 100vw;
  height: 100vh;
  background: #10131a;
}

.sidebar {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: var(--panel-gap);
  min-width: 0;
  height: 100vh;
  padding: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: #12181d;
}

.play-area {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #182118;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  background: #182118;
}

.hud {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel-bg);
  backdrop-filter: blur(10px);
  user-select: none;
}

.hud-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  font-size: 14px;
}

.hud-row span {
  color: #b6c4b8;
}

.hud-row strong {
  color: #ffffff;
}

.muted {
  opacity: 0.68;
}

.chat-panel {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: 100%;
  min-height: 0;
  padding: 10px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel-bg);
  backdrop-filter: blur(10px);
}

.chat-messages {
  min-height: 0;
  overflow: hidden auto;
  padding-right: 4px;
  font-size: 13px;
  line-height: 1.35;
}

.chat-line {
  margin-bottom: 6px;
  overflow-wrap: anywhere;
}

.chat-name {
  color: #9bd38e;
  font-weight: 700;
}

.chat-text {
  color: #f2f5ef;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 62px;
  gap: 8px;
  margin-top: 8px;
}

.chat-form input,
.chat-form button,
.voice-button {
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font: inherit;
}

.chat-form input {
  min-width: 0;
  padding: 0 10px;
  outline: none;
}

.chat-form input:focus {
  border-color: rgba(155, 211, 142, 0.72);
}

.chat-form button,
.voice-button {
  cursor: pointer;
}

.voice-button {
  width: 100%;
}

.voice-button.active {
  border-color: rgba(155, 211, 142, 0.82);
  background: rgba(63, 132, 72, 0.72);
}

@media (max-width: 700px) {
  :root {
    --sidebar-width: min(320px, 42vw);
  }
}

@media (max-width: 520px) {
  .game-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) 240px;
  }

  .sidebar {
    grid-row: 2;
    height: 240px;
    border-right: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .play-area {
    grid-row: 1;
  }
}