/* Modern Compact & Semi-Transparent Glassmorphism UI */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg-dark: #0a0e17;
  --panel-bg: rgba(10, 16, 30, 0.45); /* Semi-transparent so scene behind is clear */
  --panel-border: rgba(255, 255, 255, 0.1);
  --accent-yellow: #ffd700;
  --accent-cyan: #00f0ff;
  --accent-red: #ff3366;
  --accent-green: #00ff88;
  --text-primary: #f0f6fc;
  --text-secondary: #94a3b8;
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  font-family: var(--font-main);
  color: var(--text-primary);
}

#canvas-container {
  width: 100vw;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  cursor: grab;
}

#canvas-container:active {
  cursor: grabbing;
}

/* Compact Glassmorphism Top HUD */
.hud-container {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
  align-items: center;
  pointer-events: auto;
}

.hud-card {
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
}

.hud-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(16, 24, 45, 0.6);
}

.hud-title {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
}

.hud-value {
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-yellow);
}

.btn-settings-pill {
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.85rem;
  gap: 6px;
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.btn-settings-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}

/* Compact Water Level Bar (Left Side) */
.water-meter-container {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.water-meter-wrapper {
  width: 20px;
  height: 220px;
  background: rgba(10, 15, 30, 0.5);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(6px);
}

.water-meter-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(0deg, #0055ff 0%, #00f0ff 70%, #ffffff 100%);
  border-radius: 10px;
  transition: height 0.1s linear, background 0.3s ease;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.water-meter-fill.warning {
  background: linear-gradient(0deg, #ff8800 0%, #ffcc00 70%, #ffffff 100%);
  box-shadow: 0 0 12px #ffaa00;
}

.water-meter-fill.danger {
  background: linear-gradient(0deg, #cc0033 0%, #ff3366 70%, #ffffff 100%);
  box-shadow: 0 0 15px var(--accent-red);
}

.water-meter-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Hose Status Badges (Bottom Center Compact) */
.hose-status-container {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}

.hose-badge {
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
}

.hose-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-yellow);
  box-shadow: 0 0 8px var(--accent-yellow);
}

.hose-badge.connected {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.hose-badge.connected .hose-indicator {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Modals & Blurred Settings Overlay */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 10, 20, 0.7);
  backdrop-filter: blur(16px); /* Blurs background when settings is open */
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: rgba(16, 24, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 32px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: translateY(15px) scale(0.96);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 24px;
}

/* Settings Difficulty Buttons Grid */
.settings-diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.settings-diff-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 12px;
  border-radius: 12px;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-diff-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.settings-diff-btn.active {
  background: linear-gradient(135deg, var(--accent-yellow), #ffaa00);
  color: #000;
  border-color: var(--accent-yellow);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.settings-diff-btn.active[data-mode="veryhard"] {
  background: linear-gradient(135deg, var(--accent-red), #ff0055);
  color: #fff;
  border-color: var(--accent-red);
  box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-yellow), #ffaa00);
  color: #0d1117;
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1rem;
  padding: 12px 32px;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-red), #cc0033);
  color: #fff;
}