/* Fonts loaded locally via <link> in HTML */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Prompt', sans-serif;

  --bg-dark: #060714;
  --panel-bg: rgba(14, 17, 36, 0.85);
  --border-neon: rgba(157, 78, 221, 0.4);
  --accent-purple: #9d4edd;
  --accent-cyan: #00f3ff;
  --accent-green: #00e5a3;
  --accent-gold: #ffd700;
  --text-main: #f0f6fc;
  --text-muted: #8b9bb4;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-x: hidden;
}

/* Ambient Quantum Background Glow */
.background-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
}

.blob-1 {
  width: 420px;
  height: 420px;
  background: var(--accent-purple);
  top: -120px;
  left: -120px;
}

.blob-2 {
  width: 480px;
  height: 480px;
  background: var(--accent-cyan);
  bottom: -160px;
  right: -120px;
}

.blob-3 {
  width: 380px;
  height: 380px;
  background: var(--accent-green);
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* App Container Layout */
.app-container {
  width: 100%;
  max-width: 900px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Header & Top Navigation */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-bg);
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(16px);
  padding: 0.75rem 1.25rem;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(157, 78, 221, 0.15);
}

.logo-title h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-purple);
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-purple) 60%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.subtitle-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.nav-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Glass Buttons */
.glass-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.glass-btn:hover {
  background: rgba(157, 78, 221, 0.22);
  border-color: var(--accent-purple);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.donate-btn {
  background: rgba(0, 229, 163, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.donate-btn:hover {
  background: var(--accent-green);
  color: #03050c;
  box-shadow: 0 0 15px rgba(0, 229, 163, 0.4);
}

/* Main Game Dashboard & Canvas */
.game-area {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.stats-bar {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.stat-badge {
  flex: 1;
  background: var(--panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.highlight-badge {
  border-color: var(--accent-purple);
  background: rgba(157, 78, 221, 0.12);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Canvas Box */
.canvas-wrapper {
  position: relative;
  width: 100%;
  background: rgba(6, 8, 20, 0.95);
  border: 2px solid var(--border-neon);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(157, 78, 221, 0.2), inset 0 0 45px rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  display: block;
  cursor: crosshair;
}

/* Pause Overlay */
.overlay-msg {
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 18, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  z-index: 10;
}

.overlay-msg h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--accent-cyan);
}

.overlay-msg p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Controls Panel & Palette */
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--panel-bg);
  border: 1px solid var(--border-neon);
  border-radius: 20px;
  padding: 1rem;
}

.tool-palette {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.palette-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.tool-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.tool-btn:hover {
  background: rgba(157, 78, 221, 0.18);
  border-color: var(--accent-purple);
}

.tool-btn.active {
  background: rgba(157, 78, 221, 0.3);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(157, 78, 221, 0.4);
}

.action-buttons-group {
  display: flex;
  gap: 0.6rem;
  width: 100%;
}

.action-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.primary-btn {
  background: linear-gradient(135deg, #9d4edd, #00f3ff);
  color: #03050c;
  box-shadow: 0 4px 15px rgba(157, 78, 221, 0.35);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 243, 255, 0.6);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-main);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.danger-btn {
  background: rgba(255, 0, 127, 0.15);
  border: 1px solid rgba(255, 0, 127, 0.4);
  color: #ff007f;
}

.danger-btn:hover {
  background: #ff007f;
  color: #fff;
}

/* Modals Custom Styling */
.text-center {
  text-align: center;
}

.win-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.win-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.win-score-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-neon);
  border-radius: 16px;
  padding: 0.85rem;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.score-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.gold-text {
  color: var(--accent-gold);
  font-weight: 700;
}

.neon-text {
  color: var(--accent-cyan);
  font-weight: 700;
}

.modal-buttons-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
}

.full-width {
  width: 100%;
}

/* Mobile Responsiveness */
@media (max-width: 640px) {
  .top-nav {
    padding: 0.6rem 0.85rem;
  }
  .logo-title h1 {
    font-size: 1.1rem;
  }
  .stats-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .action-buttons-group {
    flex-direction: column;
  }
}