/* ─── Animations & Transitions ───────────────────────────────────────────── */
/* DiscoverFile Product Website                                              */
/* ────────────────────────────────────────────────────────────────────────── */

/* ─── Particle Canvas ───────────────────────────────────────────────────── */

#particle-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ─── Keyframes ──────────────────────────────────────────────────────────── */

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

@keyframes shimmer {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(30deg); }
}

@keyframes pulse-fade {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes typewriter-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes progress-fill {
  from { width: 0%; }
}

@keyframes scan-pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-primary); }
  70% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ─── Scroll Reveal ──────────────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Theme Transition ───────────────────────────────────────────────────── */

.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition: background-color 0.6s ease,
              border-color 0.6s ease,
              color 0.6s ease,
              box-shadow 0.6s ease,
              fill 0.6s ease,
              stroke 0.6s ease !important;
}

/* ─── Interactive Demo Animations ────────────────────────────────────────── */

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-base);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.scanning-dot {
  animation: scan-pulse 1.5s ease infinite;
}

.typewriter-cursor {
  animation: typewriter-cursor 1s steps(1) infinite;
}

.progress-animated {
  animation: progress-fill 2s ease-out forwards;
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* ─── Hover Effects ──────────────────────────────────────────────────────── */

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-accent);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: var(--glow-accent-hover);
}

/* ─── Theme Indicator Bar ────────────────────────────────────────────────── */

/* Mobile-first: horizontal pill bar at bottom center */
.theme-indicator {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-base);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.theme-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.theme-pill:hover {
  color: var(--text-primary);
  background: var(--bg-input);
  border-color: var(--border-base);
}

.theme-pill.active {
  color: var(--accent-primary);
  background: var(--bg-elevated, var(--bg-input));
  border-color: var(--accent-primary);
  box-shadow: var(--glow-accent);
}

/* Desktop: vertical bar on the right side, centered vertically */
@media (min-width: 769px) {
  .theme-indicator {
    bottom: auto;
    left: auto;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: 12px;
  }

  .theme-pill {
    padding: 5px 12px;
    font-size: 12px;
  }
}