/* ============================================
   WA Robotos — Modern 2026 SaaS Visual Layer
   Glass effects, depth, glow, premium surfaces.
   Applied on top of base components.
   ============================================ */

/* ---- Glass Surface ---- */
.wa-glass {
  background: color-mix(in srgb, var(--wa-card) 75%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid color-mix(in srgb, var(--wa-border) 50%, transparent);
}

/* ---- Elevated Card (premium feel) ---- */
.wa-card-elevated {
  background: var(--wa-card);
  border: 1px solid var(--wa-card-border);
  border-radius: var(--wa-radius-xl);
  box-shadow:
    var(--wa-shadow-sm),
    0 0 0 1px color-mix(in srgb, var(--wa-border) 20%, transparent);
  transition: all var(--wa-duration-normal) var(--wa-ease-default);
}
.wa-card-elevated:hover {
  box-shadow:
    var(--wa-shadow-lg),
    0 0 0 1px var(--wa-primary);
  transform: translateY(-2px);
}

/* ---- Glow accent (for primary actions) ---- */
.wa-glow-primary {
  box-shadow: 0 0 20px color-mix(in srgb, var(--wa-primary) 20%, transparent);
}
.wa-btn-primary.wa-glow {
  box-shadow:
    0 1px 2px rgba(0,0,0,0.1),
    0 4px 12px color-mix(in srgb, var(--wa-primary) 25%, transparent);
}
.wa-btn-primary.wa-glow:hover {
  box-shadow:
    0 1px 2px rgba(0,0,0,0.1),
    0 6px 20px color-mix(in srgb, var(--wa-primary) 35%, transparent);
}

/* ---- Gradient backgrounds ---- */
.wa-gradient-primary {
  background: linear-gradient(135deg, #15803d 0%, #22c55e 50%, #10b981 100%);
}
.wa-gradient-subtle {
  background: linear-gradient(180deg, var(--wa-bg) 0%, var(--wa-bg-secondary) 100%);
}

/* ---- KPI Card with depth ---- */
.wa-kpi-card {
  background: var(--wa-card);
  border: 1px solid var(--wa-card-border);
  border-radius: var(--wa-radius-2xl);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--wa-duration-normal) var(--wa-ease-default);
}
.wa-kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--wa-primary);
  opacity: 0;
  transition: opacity var(--wa-duration-normal);
}
.wa-kpi-card:hover {
  box-shadow: var(--wa-shadow-md);
  transform: translateY(-2px);
}
.wa-kpi-card:hover::before {
  opacity: 1;
}
.wa-kpi-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--wa-fg);
  letter-spacing: -0.03em;
  margin-top: 0.375rem;
  line-height: 1.1;
  font-family: 'Bricolage Grotesque', sans-serif;
}
.wa-kpi-label {
  font-size: 0.6875rem;
  color: var(--wa-fg-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Inter', sans-serif;
}
.wa-kpi-change {
  font-size: 0.75rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.wa-kpi-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--wa-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Sidebar with depth ---- */
.wa-sidebar-modern {
  background: var(--wa-sidebar-bg);
  border-right: 1px solid var(--wa-sidebar-border);
  box-shadow: 1px 0 12px color-mix(in srgb, var(--wa-fg) 4%, transparent);
}

/* ---- Topbar glass effect ---- */
.wa-topbar-glass {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--wa-bg) 80%, transparent);
}

/* ---- Section divider with label ---- */
.wa-divider-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
}
.wa-divider-label::before,
.wa-divider-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--wa-border);
}
.wa-divider-label span {
  font-size: 0.75rem;
  color: var(--wa-fg-subtle);
  white-space: nowrap;
}

/* ---- Subtle pattern background ---- */
.wa-bg-dots {
  background-image: radial-gradient(circle, var(--wa-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* ---- Smooth page transitions ---- */
main {
  animation: wa-page-enter var(--wa-duration-slow) var(--wa-ease-out);
}
@keyframes wa-page-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Focus ring upgrade ---- */
:focus-visible {
  outline: 2px solid var(--wa-ring);
  outline-offset: 2px;
  border-radius: var(--wa-radius-sm);
}

/* ---- Micro-interaction: button press ---- */
.wa-btn:active:not(:disabled) {
  transform: scale(0.97);
}

/* ---- Micro-interaction: card press ---- */
.wa-card-hover:active {
  transform: scale(0.99);
}

/* ---- Smooth scrolling ---- */
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  main { animation: none; }
  .wa-btn:active:not(:disabled) { transform: none; }
  .wa-card-hover:active { transform: none; }
  .wa-card-elevated:hover { transform: none; }
  .wa-kpi-card:hover { transform: none; }
}

/* ---- Sidebar active glow (dark mode) ---- */
[data-theme="dark"] #wa-sidebar a[aria-current="page"] {
  box-shadow: 0 2px 12px color-mix(in srgb, var(--wa-primary) 30%, transparent),
              inset 0 0 0 1px color-mix(in srgb, var(--wa-primary) 15%, transparent);
}

/* ---- Card subtle inner glow (dark mode) ---- */
[data-theme="dark"] .wa-card {
  box-shadow: var(--wa-shadow-xs), inset 0 1px 0 color-mix(in srgb, white 3%, transparent);
}

/* ---- Richer badge in dark mode ---- */
[data-theme="dark"] .wa-badge-primary {
  background: color-mix(in srgb, var(--wa-primary) 18%, transparent);
}
[data-theme="dark"] .wa-badge-success {
  background: color-mix(in srgb, var(--wa-success) 15%, transparent);
}


/* ============================================
   AI & Generative Visual Language
   Distinct from primary green — indigo/cyan
   ============================================ */

/* AI shimmer — replaces spinner for AI processing */
.wa-ai-shimmer {
  background: linear-gradient(90deg,
    var(--wa-muted) 0%,
    color-mix(in srgb, var(--wa-ai-from) 15%, var(--wa-muted)) 40%,
    color-mix(in srgb, var(--wa-ai-to) 15%, var(--wa-muted)) 60%,
    var(--wa-muted) 100%
  );
  background-size: 200% 100%;
  animation: wa-ai-shimmer 2s ease-in-out infinite;
  border-radius: var(--wa-radius-lg);
}
@keyframes wa-ai-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* AI badge — glassmorphic with sparkle */
.wa-badge-ai {
  background: color-mix(in srgb, var(--wa-ai-from) 12%, var(--wa-card));
  color: var(--wa-ai-from);
  border: 1px solid color-mix(in srgb, var(--wa-ai-from) 20%, transparent);
  backdrop-filter: blur(8px);
}

/* AI suggestion chip — used in inbox AI suggestions */
.wa-ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--wa-radius-full);
  border: 1px solid color-mix(in srgb, var(--wa-ai-from) 25%, var(--wa-border));
  background: color-mix(in srgb, var(--wa-ai-from) 6%, var(--wa-bg));
  color: var(--wa-ai-from);
  cursor: pointer;
  transition: all var(--wa-duration-fast);
}
.wa-ai-chip:hover {
  background: color-mix(in srgb, var(--wa-ai-from) 12%, var(--wa-bg));
  border-color: var(--wa-ai-from);
  box-shadow: 0 0 12px color-mix(in srgb, var(--wa-ai-from) 20%, transparent);
}

/* AI draft indicator — dashed border for AI-generated content */
.wa-ai-draft {
  border: 1.5px dashed color-mix(in srgb, var(--wa-ai-from) 40%, var(--wa-border));
  position: relative;
}
.wa-ai-draft::before {
  content: '✨ AI Draft';
  position: absolute;
  top: -0.625rem;
  left: 1rem;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--wa-ai-from);
  background: var(--wa-card);
  padding: 0 0.375rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* AI button variant */
.wa-btn-ai {
  background: var(--wa-ai-gradient);
  color: white;
  border: none;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--wa-ai-from) 25%, transparent);
}
.wa-btn-ai:hover {
  box-shadow: 0 4px 16px color-mix(in srgb, var(--wa-ai-from) 35%, transparent);
  filter: brightness(1.05);
}

/* Spring easing for dropdowns and modals */
.wa-dropdown.open {
  transition-timing-function: var(--wa-ease-spring);
}
.wa-modal-backdrop.open .wa-modal {
  transition-timing-function: var(--wa-ease-spring);
}