:root {
  color-scheme: dark;
  --bg: #06070f;
  --glass: rgba(12, 18, 30, 0.72);
  --glass-strong: rgba(12, 18, 30, 0.88);
  --accent: #45e6ff;
  --accent-2: #7e7bff;
  --danger: #ff5d9e;
  --text: #e8f6ff;
  --muted: #8da7bd;
  --border: rgba(69, 230, 255, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

body {
  background: radial-gradient(circle at top, #0d1c34 0%, var(--bg) 48%, #04050b 100%);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-columns: 1fr 340px;
  height: 100vh;
}

#gameArea {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
}

#hud {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 4;
}

.hud-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hud-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  font-size: 14px;
}

.theme-select {
  appearance: none;
  cursor: pointer;
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(4, 8, 16, 0.85);
  font-weight: 600;
  text-align: center;
  min-width: 140px;
}

.theme-select:hover {
  background: rgba(69, 230, 255, 0.15);
}

#comedyTicker {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--glass-strong);
  border: 1px solid rgba(155, 107, 255, 0.5);
  max-width: 420px;
  font-size: 14px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 12px rgba(82, 240, 255, 0.35);
}

button.primary {
  background: linear-gradient(120deg, #2bd7ff, #7e7bff);
  color: #041018;
  font-weight: 600;
}

.segmented {
  display: inline-flex;
  background: rgba(4, 8, 16, 0.55);
  border: 1px solid rgba(69, 230, 255, 0.2);
  border-radius: 12px;
  overflow: hidden;
}

.seg-btn {
  border-radius: 0;
  padding: 8px 12px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}

.seg-btn.active {
  background: rgba(69, 230, 255, 0.15);
  color: var(--text);
  box-shadow: inset 0 0 12px rgba(69, 230, 255, 0.2);
}

.gravity-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 12px;
  background: rgba(4, 8, 16, 0.55);
  border: 1px solid rgba(69, 230, 255, 0.18);
  font-size: 13px;
}

.gravity-control input[type="range"] {
  width: 140px;
  accent-color: var(--accent);
}

#gameOverOverlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(4, 6, 14, 0.7);
  z-index: 5;
}

#gameOverOverlay.hidden {
  display: none;
}

.panel {
  background: var(--glass-strong);
  border: 1px solid var(--border);
  padding: 30px 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 0 40px rgba(82, 240, 255, 0.15);
}

#sidebar {
  background: rgba(7, 10, 18, 0.85);
  border-left: 1px solid rgba(82, 240, 255, 0.2);
  padding: 18px;
  overflow-y: auto;
}

.card {
  background: var(--glass);
  border: 1px solid rgba(82, 240, 255, 0.18);
  padding: 16px;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: 0 0 20px rgba(82, 240, 255, 0.08);
}

.muted {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 12px;
}

.tiny {
  font-size: 12px;
}

#chatLog {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  overflow-y: auto;
  margin-bottom: 10px;
}

.chat-bubble {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(82, 240, 255, 0.2);
  background: rgba(6, 14, 26, 0.9);
  font-size: 13px;
}

.chat-bubble.user {
  align-self: flex-end;
  background: rgba(82, 240, 255, 0.15);
}

.chat-input {
  display: flex;
  gap: 8px;
}

.chat-input input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(82, 240, 255, 0.2);
  background: rgba(4, 8, 16, 0.8);
  color: var(--text);
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}

.stack input {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(82, 240, 255, 0.25);
  background: rgba(2, 5, 10, 0.7);
  color: var(--text);
}

.stack select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(82, 240, 255, 0.25);
  background: rgba(2, 5, 10, 0.7);
  color: var(--text);
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 6px;
}

.status {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(82, 240, 255, 0.2);
  background: rgba(4, 8, 16, 0.55);
}

.status.ok {
  color: #72ffb2;
  border-color: rgba(114, 255, 178, 0.4);
}

.status.bad {
  color: #ff8fb5;
  border-color: rgba(255, 143, 181, 0.4);
}

.steps {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.step {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  align-items: center;
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(82, 240, 255, 0.3);
  color: var(--text);
  font-size: 11px;
}

#scoreHistory {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.score-item {
  background: rgba(6, 12, 24, 0.8);
  border: 1px solid rgba(82, 240, 255, 0.2);
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
}

@media (max-width: 980px) {
  #app {
    grid-template-columns: 1fr;
  }
  #sidebar {
    position: absolute;
    right: 12px;
    top: 12px;
    width: min(320px, 92vw);
    max-height: 85vh;
    border-radius: 16px;
    backdrop-filter: blur(8px);
  }
}