/* --- Footer Action Bar --- */
footer {
  position: relative;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 900;
  margin-top: 60px;
  margin-bottom: 10px;
}

.footer-action-bar {
  max-width: 900px; /* Match main content width */
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  
  background: var(--navlink-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--navlink-border);
  border-radius: 100px;
  box-shadow: var(--navlink-box-shadow);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 30px;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.action-btn svg {
  flex-shrink: 0;
}

.footer-divider {
  flex: 1;
  height: 1px;
  background: var(--border-color);
  margin: 0 10px;
  max-width: 200px; /* Prevent divider from becoming too long */
}

.footer-credit {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
  white-space: nowrap;
}
 
/* Dark mode adjustments */
[data-theme='dark'] .footer-action-bar {
  background: var(--navlink-bg);
  border: 1px solid var(--navlink-border);
  box-shadow: var(--navlink-box-shadow);
}

[data-theme='dark'] .action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .footer-action-bar {
    padding: 16px 20px;
  }
  
  .footer-divider {
    display: none;
  }
  
  .footer-action-bar {
    justify-content: center;
  }
}

/* ------ Scroll Progress Button ------ */
.scroll-progress-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  
  background: var(--navlink-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--navlink-border);
  
  cursor: pointer;
  z-index: 999;
  
  display: flex;
  align-items: center;
  justify-content: center;
  
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
}

.scroll-progress-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  background: rgba(255, 255, 255, 0.85);
}

.scroll-progress-btn:active {
  transform: scale(0.95);
}

/* SVG Progress Ring */
.progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  transform: rotate(-90deg);
  pointer-events: none;
  width: 100%;
  height: 100%;
}

.progress-ring-bg {
  fill: none;
  stroke: rgba(0, 0, 0, 0.1);
  stroke-width: 4;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--accent-color);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 182.21;
  stroke-dashoffset: 182.21;
  transition: stroke-dashoffset 0.1s linear;
}

/* Arrow Icon */
.scroll-arrow {
  position: relative;
  z-index: 1;
  color: var(--text-main);
  transition: color 0.3s ease;
  pointer-events: none;
}

/* Arrow Direction States */
.scroll-arrow .arrow-up {
  opacity: 0;
  transform: translateY(3px);
  transition: all 0.3s ease;
}

.scroll-arrow .arrow-down {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s ease;
}

/* When scrolled down, show UP arrow */
.scroll-progress-btn.scrolled-down .arrow-up {
  opacity: 1;
  transform: translateY(0);
}

.scroll-progress-btn.scrolled-down .arrow-down {
  opacity: 0;
  transform: translateY(-3px);
}

/* Dark mode glass effects */
[data-theme='dark'] .scroll-progress-btn {
  background: var(--navlink-bg);
  border: 1px solid var(--navlink-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme='dark'] .scroll-progress-btn:hover {
  background: rgba(30, 41, 59, 0.85);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

[data-theme='dark'] .progress-ring-bg {
  stroke: rgba(255, 255, 255, 0.1);
}