/* ===== Star Dome Convenience Store — Custom Styles ===== */

/* Body background: deep space gradient */
body {
  background: linear-gradient(160deg, #0b1a2e 0%, #1a2f44 50%, #0f1f33 100%);
  min-height: 100vh;
  padding: 16px 12px 32px;
}

.game-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
}

/* ===== Status Bar ===== */
.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: var(--gap);
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status-coins {
  display: flex;
  align-items: center;
  gap: 8px;
}

.coin-icon {
  font-size: 1.5rem;
}

.coin-amount {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(255, 217, 102, 0.4);
  letter-spacing: 0.02em;
  min-width: 60px;
}

.status-levels {
  display: flex;
  gap: 10px;
}

.level-badge {
  font-size: 0.8rem;
  color: var(--soft);
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

/* ===== Shelf Click Area ===== */
.shelf-area {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  margin-bottom: var(--gap);
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 217, 102, 0.15);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 0.1s ease, border-color 0.2s;
  overflow: hidden;
}

.shelf-area:active {
  transform: scale(0.96);
}

.shelf-area.pressed {
  transform: scale(0.96);
}

.shelf-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 217, 102, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.shelf-icon {
  font-size: 4.5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 20px rgba(255, 217, 102, 0.3));
  transition: transform 0.1s ease;
}

.shelf-hint {
  position: relative;
  z-index: 1;
  color: var(--soft);
  font-size: 0.9rem;
  margin: 12px 0 0;
  letter-spacing: 0.05em;
}

/* Ripple effect on click */
.shelf-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 217, 102, 0.25);
  transform: scale(0);
  pointer-events: none;
  animation: none;
}

.shelf-ripple.active {
  animation: rippleAnim 0.5s ease-out forwards;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ===== Floating +N Number ===== */
.float-number {
  position: fixed;
  pointer-events: none;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(255, 217, 102, 0.6);
  z-index: 999;
  animation: floatUp 1s ease-out forwards;
  white-space: nowrap;
}

@keyframes floatUp {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  40% {
    opacity: 1;
    transform: translateY(-30px) scale(1.15);
  }
  100% {
    opacity: 0;
    transform: translateY(-70px) scale(0.8);
  }
}

/* ===== Upgrade Panel ===== */
.upgrade-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--gap);
}

.upgrade-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  gap: 12px;
}

.upgrade-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.upgrade-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.upgrade-detail {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.upgrade-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
}

.upgrade-effect {
  font-size: 0.78rem;
  color: var(--soft);
}

.upgrade-btn {
  flex-shrink: 0;
  font-size: 0.85rem;
  padding: 8px 14px;
  white-space: nowrap;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  font-weight: 700;
  transition: filter 0.18s, transform 0.18s, opacity 0.18s;
}

.upgrade-btn:hover:not(:disabled) {
  filter: brightness(1.12);
}

.upgrade-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.upgrade-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  filter: grayscale(0.4);
}

/* ===== Bottom Bar ===== */
.bottom-bar {
  text-align: center;
}

.reset-btn {
  font-size: 0.85rem;
  padding: 8px 20px;
  margin-bottom: 12px;
  color: var(--soft);
  border-color: rgba(255, 255, 255, 0.15);
}

.reset-btn:hover {
  color: #e88;
  border-color: rgba(255, 100, 100, 0.4);
}

.guide-text {
  font-size: 0.75rem;
  color: var(--soft);
  opacity: 0.6;
  margin: 0;
  line-height: 1.5;
}

/* ===== Responsive ===== */
@media (max-width: 400px) {
  .shelf-icon {
    font-size: 3.5rem;
  }
  .shelf-area {
    padding: 36px 16px;
  }
  .coin-amount {
    font-size: 1.2rem;
  }
  .upgrade-card {
    padding: 12px 14px;
  }
  .upgrade-btn {
    font-size: 0.8rem;
    padding: 7px 12px;
  }
}