/* Rule of Life - Sleek Modern Design */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #d4c4a8;
  --color-surface: rgba(42, 35, 28, 0.92);
  --color-surface-light: rgba(58, 48, 38, 0.95);
  --color-border: rgba(198, 163, 118, 0.2);
  --color-border-accent: rgba(106, 78, 100, 0.4);
  --color-text-primary: #f5f0e8;
  --color-text-secondary: rgba(255, 255, 255, 0.75);
  --color-text-muted: rgba(255, 255, 255, 0.5);
  --color-accent: #c9a86c;
  --color-accent-soft: rgba(201, 168, 108, 0.2);
  --color-gold: #c9a227;
  --color-vine: #4a7a5c;
  --font-display: "adobe-caslon-pro", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

body {
  font-family: var(--font-body);
  overflow: hidden;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--color-text-primary);
}

#trellis-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
}

/* Tooltip - Glassmorphism design */
.tooltip {
  position: fixed;
  z-index: 100;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  max-width: 340px;
  min-width: 200px;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  transition: 
    opacity var(--transition-normal),
    transform var(--transition-normal);
  transform: translateY(0) scale(1);
}

.tooltip::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%,
    transparent 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.tooltip.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.96);
}

.tooltip-header {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tooltip-header::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
}

.tooltip-body {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-weight: 400;
  font-style: italic;
}

/* Hint - Modern pill design */
.hint {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 12px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  transition: 
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.hint::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 100px;
  padding: 1px;
  background: linear-gradient(
    90deg,
    rgba(167, 139, 250, 0.2) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(167, 139, 250, 0.2) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hint p {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hint p::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.85);
  }
}

.hint.fade-out {
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  pointer-events: none;
}

/* Loading state */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  z-index: 1000;
  transition: opacity 0.6s ease;
  gap: 24px;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Title overlay */
.title-overlay {
  position: fixed;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  text-align: center;
  pointer-events: none;
}

.title-overlay h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.title-overlay p {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
}

/* Controls hint */
.controls-hint {
  position: fixed;
  bottom: 40px;
  right: 32px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0.5;
  transition: opacity var(--transition-normal);
}

.controls-hint:hover {
  opacity: 1;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.control-key {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}