:root {
  --bg-primary: #050913;
  --bg-overlay: rgba(17, 23, 42, 0.6);
  --glass-surface: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(99, 102, 241, 0.25);
  --text-primary: #f8faff;
  --text-muted: rgba(248, 250, 255, 0.65);
  --accent: #60a5fa;
  --accent-strong: #f472b6;
  --canvas-border: rgba(255, 255, 255, 0.18);
  --bubble-shadow: 0 16px 32px rgba(15, 23, 42, 0.35);
  --panel-radius: 24px;
  --shooter-size: 64px;
}

body[data-theme="dark"] {
  --bg-primary: #050913;
  --bg-overlay: rgba(17, 23, 42, 0.6);
  --glass-surface: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(99, 102, 241, 0.25);
  --text-primary: #f8faff;
  --text-muted: rgba(248, 250, 255, 0.65);
  --accent: #60a5fa;
  --accent-strong: #f472b6;
  --canvas-border: rgba(255, 255, 255, 0.18);
  --bubble-shadow: 0 16px 32px rgba(15, 23, 42, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #eef2ff;
    --bg-overlay: rgba(255, 255, 255, 0.6);
    --glass-surface: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(99, 102, 241, 0.18);
    --text-primary: #111827;
    --text-muted: rgba(17, 24, 39, 0.6);
    --accent: #2563eb;
    --accent-strong: #db2777;
    --canvas-border: rgba(99, 102, 241, 0.25);
  }
}

body[data-theme="light"] {
  --bg-primary: #eef2ff;
  --bg-overlay: rgba(255, 255, 255, 0.6);
  --glass-surface: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(99, 102, 241, 0.18);
  --text-primary: #111827;
  --text-muted: rgba(17, 24, 39, 0.6);
  --accent: #2563eb;
  --accent-strong: #db2777;
  --canvas-border: rgba(99, 102, 241, 0.25);
  --bubble-shadow: 0 16px 32px rgba(17, 24, 39, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(96, 165, 250, 0.35), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(244, 114, 182, 0.35), transparent 55%),
    linear-gradient(135deg, rgba(8, 11, 26, 0.95) 0%, rgba(6, 10, 24, 0.9) 100%);
  z-index: -2;
}

.container {
  width: min(540px, 100%);
  padding: 32px 28px;
  border-radius: var(--panel-radius);
  backdrop-filter: blur(18px);
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  box-shadow: 0 25px 45px rgba(5, 10, 18, 0.55);
  text-align: center;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.header h1 {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 2.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(96, 165, 250, 0.28);
}

.score-panel {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.score-item {
  min-width: 120px;
  padding: 12px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.18), rgba(244, 114, 182, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: 0 14px 28px rgba(8, 12, 34, 0.32);
  text-align: left;
}

body[data-theme="light"] .score-item {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(219, 39, 119, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.18);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.16);
}

.score-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 6px;
}

body[data-theme="light"] .score-label {
  color: rgba(17, 24, 39, 0.6);
}

.score-value {
  display: block;
  font-size: clamp(1.4rem, 4vw, 1.7rem);
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 6px 18px rgba(15, 23, 42, 0.55);
}

body[data-theme="light"] .score-value {
  color: #111827;
  text-shadow: 0 4px 14px rgba(99, 102, 241, 0.18);
}

.status-board {
  display: grid;
  gap: 18px;
  margin-bottom: 28px;
}

.mode-selector {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body[data-theme="light"] .mode-selector {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(99, 102, 241, 0.18);
  box-shadow: 0 10px 22px rgba(59, 130, 246, 0.18);
}

.mode-option {
  border: none;
  border-radius: 12px;
  padding: 10px 18px;
  font-weight: 600;
  color: #fff;
  background: rgba(96, 165, 250, 0.3);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.mode-option[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 22px rgba(96, 165, 250, 0.32);
}

.mode-option--active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 22px rgba(96, 165, 250, 0.32);
}

.mode-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.mode-option:hover {
  transform: translateY(-2px);
}

body[data-theme="light"] .mode-option {
  color: #111827;
  background: rgba(37, 99, 235, 0.16);
}

body[data-theme="light"] .mode-option--active,
body[data-theme="light"] .mode-option[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(219, 39, 119, 0.8));
  color: #fff;
}

.status-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.status-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 28px rgba(5, 10, 20, 0.35);
}

body[data-theme="light"] .status-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 14px 26px rgba(99, 102, 241, 0.18);
}

.status-card__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.status-card__label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.status-card__value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.status-card__hint {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 10px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.progress-bar__fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-radius: inherit;
  transition: width 0.3s ease;
}

.objective-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.objective-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.objective-list li::before {
  content: '•';
  color: var(--accent);
  font-weight: 700;
}

.objective-list li[data-complete="true"] {
  color: var(--text-primary);
}

.objective-list li[data-complete="true"]::before {
  content: '✓';
  color: var(--accent-strong);
}

.powerup-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  margin-bottom: 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 32px rgba(8, 12, 24, 0.35);
}

body[data-theme="light"] .powerup-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 16px 28px rgba(99, 102, 241, 0.16);
}

.powerup-slot {
  flex: 1;
  min-width: 180px;
  font-weight: 600;
  color: var(--text-primary);
}

.powerup-actions {
  display: flex;
  gap: 10px;
}

.powerup-btn {
  border: none;
  border-radius: 12px;
  padding: 10px 18px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.powerup-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.powerup-btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.powerup-btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

body[data-theme="light"] .powerup-btn--ghost {
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.game-container {
  position: relative;
  border-radius: 28px;
  padding: 28px 24px 38px;
  margin-bottom: 28px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(8, 12, 26, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 32px rgba(6, 11, 20, 0.45);
  overflow: hidden;
}

.game-container::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.18), transparent 65%);
}

#gameCanvas {
  width: 100%;
  max-width: 410px;
  height: 400px;
  display: block;
  margin: 0 auto;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(11, 18, 40, 0.85) 100%);
  border: 2px solid var(--canvas-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px rgba(5, 10, 20, 0.55);
  cursor: crosshair;
}

.shooter-container {
  margin-top: 28px;
  position: relative;
}

.shooter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-bottom: 18px;
}

.current-bubble,
.next-bubble {
  width: var(--shooter-size);
  height: var(--shooter-size);
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--bubble-shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease;
}

.current-bubble[data-special],
.next-bubble[data-special] {
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.45), var(--bubble-shadow);
}

.current-bubble {
  transform: scale(1.12);
}

.current-bubble:hover,
.next-bubble:hover {
  transform: translateY(-3px) scale(1.12);
}

.current-bubble::after,
.next-bubble::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 28% 25%, rgba(255, 255, 255, 0.7), transparent 55%);
  mix-blend-mode: screen;
}

.next-bubble {
  opacity: 0.9;
}

.next-bubble::before {
  content: 'Next';
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.aim-line {
  height: 2px;
  margin: 0 auto;
  width: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85));
  border-radius: 8px;
  transition: width 0.12s ease, transform 0.12s ease;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.theme-toggle,
.controls button {
  border: none;
  cursor: pointer;
  border-radius: 14px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 24px rgba(59, 130, 246, 0.25);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.controls button {
  padding: 12px 26px;
  min-width: 118px;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 15px 28px rgba(8, 12, 24, 0.4);
}

.controls .theme-toggle {
  min-width: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.controls button:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 32px rgba(8, 12, 24, 0.45);
}

.controls button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9, 12, 24, 0.78);
  z-index: 40;
  animation: fadeIn 0.25s ease;
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(360px, 90%);
  padding: 32px;
  border-radius: 24px;
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 40px rgba(5, 10, 18, 0.55);
  text-align: center;
}

.modal-content h2 {
  margin: 0 0 16px;
  font-size: 1.6rem;
}

.modal-content p {
  margin: 6px 0;
  color: var(--text-muted);
}

.modal-content button {
  margin-top: 22px;
  padding: 12px 28px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(96, 165, 250, 0.35);
  transition: transform 0.2s ease;
}

.modal-content button:hover {
  transform: translateY(-2px);
}

.help-content {
  margin-top: 16px;
  text-align: left;
  display: grid;
  gap: 8px;
}

.help-content p {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.95rem;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 560px) {
  .container {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .status-cards {
    grid-template-columns: 1fr;
  }

  #gameCanvas {
    height: 340px;
  }

  .controls button {
    min-width: 100px;
    padding: 10px 20px;
  }

  .powerup-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .powerup-actions {
    width: 100%;
    justify-content: space-between;
  }
}

[data-theme="dark"] body {
  background: var(--bg-primary);
}