/* =====================================================================
   RIA — MOTION LAYER
   Loaded after ria-redesign.css on authed pages. Adds tasteful animation
   throughout: page transitions, elevated cards, sidebar pill, hero KPIs,
   upload zone, analysis steps. Everything collapses gracefully under
   prefers-reduced-motion.

   Layering order: critical.css → style.css → ria-redesign.css → ria-motion.css
   ===================================================================== */

/* When Motion One is loaded and active, JS owns hover/press transforms
   on these cards — we drop the CSS transition so the spring isn't
   double-applied (CSS transition + JS animate fight each other). */
html[data-motion="on"] .kpi-card,
html[data-motion="on"] .card-elevated,
html[data-motion="on"] .card-hero {
  transition: border-color var(--motion-normal, 320ms) ease,
              box-shadow var(--motion-normal, 320ms) ease !important;
}
/* The spring sets transform inline; we only keep colour/shadow CSS. */

/* ── Tokens local to motion ──────────────────────────────────────────── */
:root {
  --motion-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --motion-fast: 180ms;
  --motion-normal: 320ms;
  --motion-slow: 540ms;
  --motion-page-y: 12px;
  --motion-card-y: 18px;
  --glow-violet-soft: 0 0 24px -4px rgba(139, 92, 246, 0.35);
  --glow-violet-strong: 0 0 36px -2px rgba(139, 92, 246, 0.55);
  --glow-cyan-soft: 0 0 24px -4px rgba(34, 211, 238, 0.35);
}

/* ── Page transition: main content rises in on load ──────────────────── */
.ria-main {
  animation: pageIn 0.7s var(--motion-ease) both;
  scroll-behavior: smooth;
  view-transition-name: ria-page;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(var(--motion-page-y)); filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

::view-transition-old(ria-page),
::view-transition-new(ria-page) {
  animation-duration: 0.34s;
  animation-timing-function: var(--motion-ease);
}

.ria-scroll-progress {
  position: fixed;
  top: 0;
  left: 224px;
  right: 0;
  height: 2px;
  z-index: 80;
  pointer-events: none;
  background: transparent;
}
.ria-scroll-progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color), #f472b6);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
  will-change: transform;
}

/* Stagger cards inside the main column. The :nth-child fallback gives a
   reasonable cascade even when JS doesn't tag them. */
.ria-main .container > .card {
  animation: cardIn 0.72s var(--motion-ease) both;
  transform-origin: 50% 32px;
  will-change: transform, opacity;
}
.ria-main .container > .card:nth-child(1) { animation-delay: 0.05s; }
.ria-main .container > .card:nth-child(2) { animation-delay: 0.12s; }
.ria-main .container > .card:nth-child(3) { animation-delay: 0.19s; }
.ria-main .container > .card:nth-child(4) { animation-delay: 0.26s; }
.ria-main .container > .card:nth-child(5) { animation-delay: 0.33s; }
.ria-main .container > .card:nth-child(n+6) { animation-delay: 0.40s; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(var(--motion-card-y)) scale(0.985); filter: blur(5px); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Elevated card variant: gradient border + lift on hover ──────────── */
.card-elevated {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(var(--surface-color), var(--surface-color)) padding-box,
    linear-gradient(135deg,
      rgba(139, 92, 246, 0.55) 0%,
      rgba(34, 211, 238, 0.30) 55%,
      rgba(244, 114, 182, 0.20) 100%) border-box !important;
  border: 1px solid transparent !important;
  border-radius: 14px !important;
  box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.5),
              0 1px 2px rgba(0, 0, 0, 0.3) !important;
  transition: transform var(--motion-normal) var(--motion-ease),
              box-shadow var(--motion-normal) var(--motion-ease);
}
.card-elevated::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(360px circle at var(--spotlight-x, 50%) var(--spotlight-y, 0%),
    rgba(255, 255, 255, 0.085), transparent 42%);
  opacity: 0;
  transition: opacity var(--motion-normal) var(--motion-ease);
  pointer-events: none;
  z-index: -1;
}
.card-elevated:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.6),
              var(--glow-violet-soft) !important;
}
.card-elevated:hover::after { opacity: 1; }

/* The gradient border slowly pans on hero card. */
.card-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(var(--surface-color), var(--surface-color)) padding-box,
    linear-gradient(135deg,
      rgba(139, 92, 246, 0.65),
      rgba(34, 211, 238, 0.45) 50%,
      rgba(244, 114, 182, 0.30)) border-box !important;
  border: 1px solid transparent !important;
  border-radius: 16px !important;
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.55),
              0 0 0 1px rgba(139, 92, 246, 0.08) !important;
}
.card-hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    rgba(139, 92, 246, 0.18) 60deg,
    transparent 140deg,
    rgba(34, 211, 238, 0.18) 220deg,
    transparent 300deg,
    transparent 360deg
  );
  filter: blur(18px);
  opacity: 0.7;
  z-index: -1;
  animation: heroAura 14s linear infinite;
  pointer-events: none;
}
.card-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0 34%, rgba(255,255,255,0.075) 44%, transparent 56%),
    radial-gradient(520px circle at var(--spotlight-x, 70%) var(--spotlight-y, 0%),
      rgba(34, 211, 238, 0.12), transparent 54%);
  opacity: 0.55;
  transform: translateX(-20%);
  animation: heroScan 9s var(--motion-ease) infinite;
  pointer-events: none;
  mix-blend-mode: screen;
}
@keyframes heroAura {
  to { transform: rotate(360deg); }
}
@keyframes heroScan {
  0%, 18% { transform: translateX(-42%); opacity: 0; }
  38%     { opacity: 0.65; }
  58%, 100% { transform: translateX(42%); opacity: 0; }
}

/* ── KPI card polish (existing .kpi-card / .kpi-value / .kpi-label) ──── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem !important;
}
.kpi-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 1.15rem 1.2rem !important;
  background: var(--surface-color) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  transition: transform var(--motion-normal) var(--motion-ease),
              border-color var(--motion-normal) var(--motion-ease),
              box-shadow var(--motion-normal) var(--motion-ease);
}
.kpi-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 100% 0%,
    rgba(139, 92, 246, 0.12), transparent 55%);
  opacity: 0;
  transition: opacity var(--motion-normal) var(--motion-ease);
  pointer-events: none;
}
.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong) !important;
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.55),
              var(--glow-violet-soft);
}
.kpi-card:hover::after { opacity: 1; }

/* Make the value pop with a subtle gradient ink. */
.kpi-card .kpi-value {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 110%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
/* Restore color tint variants (gradient fights `.kpi-value.accent` etc.). */
.kpi-card .kpi-value.accent,
.kpi-card .kpi-value.success,
.kpi-card .kpi-value.warning,
.kpi-card .kpi-value.danger {
  background: none;
  -webkit-text-fill-color: initial;
}

/* Sparkline container reveal — animations.js renders the SVG into it. */
.sparkline-container {
  display: block;
  margin-top: 0.6rem;
  height: 28px;
  opacity: 0;
  animation: sparkFade 0.55s var(--motion-ease) 0.45s forwards;
}
.sparkline-container svg polyline {
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
  animation: sparkDraw 1.4s var(--motion-ease) 0.55s forwards;
}
@keyframes sparkDraw { to { stroke-dashoffset: 0; } }
@keyframes sparkFade { to { opacity: 1; } }

/* Variant tinting for the kpi card (left edge accent strip). */
.kpi-card.kpi-primary::before,
.kpi-card.kpi-blue::before,
.kpi-card.kpi-danger::before,
.kpi-card.kpi-warning::before,
.kpi-card.kpi-success::before,
.kpi-card.kpi-purple::before,
.kpi-card.kpi-cyan::before {
  content: "";
  position: absolute;
  left: 0; top: 12%; bottom: 12%;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--primary-color);
  opacity: 0.85;
}
.kpi-card.kpi-blue::before    { background: linear-gradient(180deg, #60a5fa, #06b6d4); }
.kpi-card.kpi-danger::before  { background: linear-gradient(180deg, #f87171, #ef4444); }
.kpi-card.kpi-warning::before { background: linear-gradient(180deg, #fbbf24, #f59e0b); }
.kpi-card.kpi-success::before { background: linear-gradient(180deg, #34d399, #10b981); }
.kpi-card.kpi-purple::before  { background: linear-gradient(180deg, #a78bfa, #8b5cf6); }
.kpi-card.kpi-cyan::before    { background: linear-gradient(180deg, #67e8f9, #06b6d4); }
.kpi-card.kpi-primary::before { background: linear-gradient(180deg, #c4b5fd, #8b5cf6); }

/* ── Sidebar: animated active pill + icon micro-motion ───────────────── */
.ria-nav-item {
  position: relative;
  transition: color 0.18s var(--motion-ease);
}
.ria-nav-item .ria-nav-icon {
  transition: transform 0.25s var(--motion-ease), opacity 0.18s ease;
}
.ria-nav-item:hover .ria-nav-icon {
  transform: translateX(1px) scale(1.06);
  opacity: 0.85;
}
.ria-nav-item.active {
  background: transparent !important;
  font-weight: 600;
}
.ria-nav-item.active::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 7px;
  background: linear-gradient(135deg,
    rgba(139, 92, 246, 0.18),
    rgba(34, 211, 238, 0.10));
  border: 1px solid rgba(139, 92, 246, 0.25);
  z-index: -1;
  animation: pillIn 0.32s var(--motion-spring);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}
.ria-nav-item.active::after {
  content: "";
  position: absolute;
  left: -0.5rem;
  top: 50%;
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  transform: translateY(-50%) scaleY(0.4);
  opacity: 0;
  animation: pillBarIn 0.42s var(--motion-spring) forwards;
}
@keyframes pillIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pillBarIn {
  to { transform: translateY(-50%) scaleY(1); opacity: 1; }
}
.ria-nav-item.active .ria-nav-icon { opacity: 1; color: var(--primary-color); }

/* ── Upload zone: gradient border conic-spin + drag-over pulse ───────── */
.upload-zone {
  position: relative;
  background: var(--surface-hover) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 14px !important;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--motion-normal) var(--motion-ease),
              border-color var(--motion-normal) var(--motion-ease),
              box-shadow var(--motion-normal) var(--motion-ease);
}
.upload-zone::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(
    from 0deg,
    rgba(139, 92, 246, 0.0) 0%,
    rgba(139, 92, 246, 0.55) 25%,
    rgba(34, 211, 238, 0.45) 50%,
    rgba(244, 114, 182, 0.35) 75%,
    rgba(139, 92, 246, 0.0) 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--motion-normal) var(--motion-ease);
  animation: uploadSpin 6s linear infinite paused;
  pointer-events: none;
}
.upload-zone:hover::before,
.upload-zone.drag-active::before {
  opacity: 1;
  animation-play-state: running;
}
.upload-zone:hover {
  transform: translateY(-2px);
  border-color: rgba(139, 92, 246, 0.35) !important;
  box-shadow: var(--glow-violet-soft);
}
.upload-zone.drag-active {
  transform: scale(1.005);
  border-color: var(--primary-color) !important;
  background: rgba(139, 92, 246, 0.06) !important;
  box-shadow: var(--glow-violet-strong);
}
@keyframes uploadSpin {
  to { transform: rotate(360deg); }
}
.upload-zone svg {
  transition: transform var(--motion-normal) var(--motion-spring);
}
.upload-zone:hover svg,
.upload-zone.drag-active svg {
  transform: translateY(-2px) scale(1.04);
}

/* ── Risk badges: subtle entrance + dot pulse for high ───────────────── */
.badge-high, .badge-medium, .badge-low {
  position: relative;
  animation: badgeIn 0.42s var(--motion-spring) both;
}
@keyframes badgeIn {
  from { opacity: 0; transform: translateY(-4px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.badge-high::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 0.4rem;
  vertical-align: 1px;
  animation: dotPulse 1.6s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
  50%      { box-shadow: 0 0 0 5px rgba(248, 113, 113, 0); opacity: 0.7; }
}

/* ── Tab indicator: animated underline that slides ───────────────────── */
.tab-group {
  position: relative;
}
.tab-btn {
  position: relative;
  transition: color 0.2s var(--motion-ease);
}
.tab-btn::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.32s var(--motion-spring);
}
.tab-btn.active::after { transform: scaleX(1); }

/* ── Buttons: sheen on primary + gradient ────────────────────────────── */
.btn-primary, .btn-gradient {
  position: relative;
  overflow: hidden;
}
.btn-primary::after, .btn-gradient::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 70%);
  transform: translateX(-120%);
  pointer-events: none;
}
.btn-primary:hover::after,
.btn-gradient:hover::after {
  animation: btnSheenPro 0.85s var(--motion-ease) forwards;
}
@keyframes btnSheenPro {
  to { transform: translateX(120%); }
}

/* ── Loading: spinner ring uses brand colors + step check anim ───────── */
.spinner-ring {
  border-top-color: var(--primary-color) !important;
}
.step-item {
  transition: transform 0.3s var(--motion-ease),
              opacity 0.3s var(--motion-ease);
}
.step-item.active .step-icon {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15),
              var(--glow-violet-soft);
  animation: stepActive 0.42s var(--motion-spring);
}
.step-item.completed .step-icon {
  background: var(--success-color) !important;
  border-color: var(--success-color) !important;
  color: #0a0a0a;
}
@keyframes stepActive {
  0%   { transform: scale(0.85); }
  60%  { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* Progress bar: continuous shimmer overlay */
.progress-bar-fill {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color)) !important;
  transition: width 0.5s var(--motion-ease);
}
.progress-bar-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 70%);
  transform: translateX(-100%);
  animation: progressShimmer 1.6s linear infinite;
}
@keyframes progressShimmer {
  to { transform: translateX(100%); }
}

/* ── Oryzo-inspired reveal primitives for dynamic blocks ─────────────── */
[data-ria-reveal] {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  filter: blur(4px);
}
[data-ria-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity 0.72s var(--motion-ease),
    transform 0.72s var(--motion-ease),
    filter 0.72s var(--motion-ease);
}

/* ── History/recent table row reveal ─────────────────────────────────── */
.history-table tbody tr,
.recent-item {
  animation: rowIn 0.38s var(--motion-ease) both;
}
.history-table tbody tr:nth-child(1),  .recent-item:nth-child(1)  { animation-delay: 0.04s; }
.history-table tbody tr:nth-child(2),  .recent-item:nth-child(2)  { animation-delay: 0.08s; }
.history-table tbody tr:nth-child(3),  .recent-item:nth-child(3)  { animation-delay: 0.12s; }
.history-table tbody tr:nth-child(4),  .recent-item:nth-child(4)  { animation-delay: 0.16s; }
.history-table tbody tr:nth-child(5),  .recent-item:nth-child(5)  { animation-delay: 0.20s; }
.history-table tbody tr:nth-child(n+6),.recent-item:nth-child(n+6){ animation-delay: 0.24s; }
@keyframes rowIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.history-table tbody tr {
  transition: background 0.18s var(--motion-ease),
              transform 0.18s var(--motion-ease);
}
.history-table tbody tr:hover {
  transform: translateX(2px);
}

/* ── Charts: container reveal ────────────────────────────────────────── */
.chart-container {
  animation: chartIn 0.7s var(--motion-ease) 0.3s both;
}
@keyframes chartIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Sidebar logo mark: soft pulse ───────────────────────────────────── */
.ria-sidebar-logo-mark {
  box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4);
  animation: logoPulse 4s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(139, 92, 246, 0); }
}

/* ── Modal overlay: backdrop blur + scaled entrance fallback ─────────── */
.modal-overlay {
  transition: opacity 0.2s var(--motion-ease);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-overlay:not(.active) { pointer-events: none; opacity: 0; }
.modal-overlay.active { pointer-events: auto; opacity: 1; }
.modal-content {
  animation: modalIn 0.32s var(--motion-spring) both;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Empty states: gentle float ──────────────────────────────────────── */
.empty-state svg,
.empty-state .empty-state-icon {
  animation: floatY 4.5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* ── Form input focus polish (CSS-only fallback under no-JS) ─────────── */
.form-input, input[type="text"], input[type="email"], input[type="password"],
input[type="url"], input[type="date"], input[type="number"], select, textarea {
  transition: border-color 0.18s var(--motion-ease),
              box-shadow 0.22s var(--motion-ease),
              background-color 0.18s var(--motion-ease);
}

/* ── Theme toggle button: subtle bg flash on click ───────────────────── */
.ria-theme-btn:active,
#theme-toggle:active {
  transform: scale(0.94);
}

/* ── Chart container: skeleton-style placeholder while loading ───────── */
.chart-container {
  position: relative;
}
.chart-container.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.04) 50%,
    rgba(255,255,255,0) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: inherit;
  pointer-events: none;
}

/* ── Risk-score gauge: glow ring around the ring ─────────────────────── */
.css-gauge-container {
  position: relative;
}
.css-gauge-container::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--risk-color, var(--primary-color));
  filter: blur(20px);
  opacity: 0.18;
  z-index: -1;
  animation: gaugeGlow 4s ease-in-out infinite;
}
@keyframes gaugeGlow {
  0%, 100% { opacity: 0.12; transform: scale(1); }
  50%      { opacity: 0.22; transform: scale(1.04); }
}

/* ── Compare page: cards entrance fallback ──────────────────────────── */
.compare-card.card-a {
  animation: compareInLeft 0.7s var(--motion-ease) both;
}
.compare-card.card-b {
  animation: compareInRight 0.7s var(--motion-ease) 0.08s both;
}
@keyframes compareInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes compareInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Diff indicator: pulse the "better" pill subtly */
.diff-indicator.diff-better {
  position: relative;
}
.diff-indicator.diff-better::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 1px solid currentColor;
  opacity: 0;
  animation: diffRipple 2.4s ease-out infinite;
  pointer-events: none;
}
@keyframes diffRipple {
  0%   { transform: scale(0.95); opacity: 0.4; }
  100% { transform: scale(1.18); opacity: 0; }
}

/* ── Methodology: step-card scroll-linked entrance fallback ──────────── */
.step-card {
  animation: stepRise 0.7s var(--motion-ease) both;
}
@keyframes stepRise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (hover: none), (pointer: coarse) {
  .card-elevated:hover,
  .card-hero:hover,
  .kpi-card:hover,
  .upload-zone:hover,
  .history-table tbody tr:hover,
  .feature-card:hover {
    transform: none !important;
  }
  .btn-primary:hover::after,
  .btn-gradient:hover::after,
  .card-hero::after {
    animation: none;
  }
  .card-elevated::after,
  .kpi-card::after {
    opacity: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --motion-page-y: 6px;
    --motion-card-y: 10px;
    --motion-normal: 240ms;
    --motion-slow: 420ms;
  }
  .ria-scroll-progress {
    left: 0;
    bottom: auto;
  }
  .ria-main {
    animation-duration: 0.45s;
    scroll-behavior: auto;
    background-image:
      radial-gradient(ellipse 100% 32% at 50% -8%, rgba(139,92,246,0.085), transparent 62%) !important;
  }
  .ria-main .container > .card {
    animation-duration: 0.5s;
    animation-delay: 0.03s !important;
  }
  .card-hero::before,
  .card-hero::after,
  .upload-zone::before,
  .css-gauge-container::before {
    animation: none !important;
    opacity: 0.35;
  }
  .sparkline-container svg polyline {
    animation-duration: 0.8s;
  }
  .progress-bar-fill::after {
    animation-duration: 2.4s;
  }
}

@media (max-width: 480px) {
  [data-ria-reveal] {
    transform: translateY(12px);
    filter: none;
  }
  .badge-high::before {
    animation: none;
  }
}

/* ── Ambient Mesh Glow ───────────────────────────────────────────────── */
.ambient-mesh-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
  opacity: 0.8;
}

.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  mix-blend-mode: screen;
  will-change: transform;
}

.glow-blob-1 {
  top: -10%;
  left: 20%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.45) 0%, rgba(139, 92, 246, 0) 70%);
  animation: drift1 25s infinite alternate ease-in-out;
}

.glow-blob-2 {
  top: 30%;
  right: -5%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.35) 0%, rgba(34, 211, 238, 0) 70%);
  animation: drift2 30s infinite alternate ease-in-out;
}

.glow-blob-3 {
  bottom: -10%;
  left: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.25) 0%, rgba(244, 114, 182, 0) 70%);
  animation: drift3 28s infinite alternate ease-in-out;
}

@keyframes drift1 {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50% { transform: translate(8vw, 6vh) scale(1.08) rotate(180deg); }
  100% { transform: translate(-4vw, -6vh) scale(0.92) rotate(360deg); }
}

@keyframes drift2 {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50% { transform: translate(-6vw, -10vh) scale(0.88) rotate(-180deg); }
  100% { transform: translate(4vw, 5vh) scale(1.04) rotate(-360deg); }
}

@keyframes drift3 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(10vw, -5vh) scale(1.1); }
  100% { transform: translate(-5vw, 6vh) scale(0.95); }
}

/* ── 3D Card Tilt System ─────────────────────────────────────────────── */
.card-3d-tilt {
  transform: perspective(1000px) 
             rotateX(var(--tilt-x, 0deg)) 
             rotateY(var(--tilt-y, 0deg)) 
             translateZ(var(--tilt-z, 0px)) 
             scale(var(--tilt-scale, 1));
  transform-style: preserve-3d;
  transition: transform 0.22s cubic-bezier(0.25, 1, 0.5, 1), 
              border-color 0.3s ease, 
              box-shadow 0.3s ease;
  will-change: transform;
}

/* Shiny reflection sheen overlay */
.card-3d-tilt::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%),
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 40%,
    transparent 70%
  );
  z-index: 10;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: var(--tilt-opacity, 0);
  transition: opacity 0.3s ease;
}

.card-3d-tilt:hover::before {
  --tilt-opacity: 1;
}

/* Parallax depth elements inside the card */
.card-3d-tilt .parallax-content {
  transform: translateZ(20px);
  transform-style: preserve-3d;
}

.card-3d-tilt .parallax-deep {
  transform: translateZ(40px) scale(0.95);
}

/* ── Border Beam Animation ───────────────────────────────────────────── */
@property --beam-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.border-beam {
  position: relative;
}

.border-beam::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from var(--beam-angle),
    transparent 60%,
    var(--primary-color) 80%,
    var(--accent-color) 92%,
    var(--primary-color) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 10;
  animation: beamRotate 5s linear infinite;
}

@keyframes beamRotate {
  to { --beam-angle: 360deg; }
}

/* ── Reduced motion: collapse everything ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .glow-blob,
  .border-beam::after,
  .card-3d-tilt::before,
  .card-3d-tilt,
  .ria-main,
  .ria-scroll-progress-fill,
  .ria-main .container > .card,
  .card-elevated,
  .card-hero,
  .card-hero::before,
  .card-hero::after,
  .card-elevated::after,
  .stat-card,
  .stat-card .stat-spark path.line,
  .stat-card .stat-spark path.area,
  .ria-nav-item.active::before,
  .ria-nav-item.active::after,
  .ria-nav-item .ria-nav-icon,
  .upload-zone,
  .upload-zone::before,
  .badge-high,
  .badge-medium,
  .badge-low,
  .badge-high::before,
  .tab-btn::after,
  .btn-primary::after,
  .btn-gradient::after,
  .step-item,
  .step-item.active .step-icon,
  .progress-bar-fill::after,
  .history-table tbody tr,
  .recent-item,
  .chart-container,
  .ria-sidebar-logo-mark,
  .modal-overlay,
  .modal-content,
  .empty-state svg,
  .empty-state .empty-state-icon,
  .chart-container.is-loading::after,
  .css-gauge-container::before,
  .compare-card.card-a,
  .compare-card.card-b,
  .diff-indicator.diff-better::after,
  .step-card {
    animation: none !important;
    transition: none !important;
  }
  .compare-card,
  .step-card,
  [data-ria-reveal] {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  .ria-main,
  .ria-main .container > .card,
  .stat-card .stat-spark path.line,
  .stat-card .stat-spark path.area,
  .badge-high, .badge-medium, .badge-low,
  .history-table tbody tr,
  .recent-item,
  .chart-container {
    opacity: 1 !important;
    transform: none !important;
  }
  .stat-card .stat-spark path.line { stroke-dashoffset: 0; }
  .stat-card .stat-spark path.area { opacity: 0.55; }
  .tab-btn.active::after { transform: scaleX(1); }
}

/* ── View Transitions (Cinematic Circular Reveal Theme Switcher) ──────── */
::view-transition-image-pair(root) {
  isolation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
  display: block;
}

/* The new theme sweeps in as a growing circle from cursor coordinates */
::view-transition-new(root) {
  animation: 0.5s cubic-bezier(0.25, 1, 0.5, 1) circularReveal;
  z-index: 9999;
  clip-path: circle(0% at var(--zoom-x, 50%) var(--zoom-y, 50%));
}

::view-transition-old(root) {
  z-index: 1;
}

@keyframes circularReveal {
  from {
    clip-path: circle(0% at var(--zoom-x, 50%) var(--zoom-y, 50%));
  }
  to {
    clip-path: circle(150% at var(--zoom-x, 50%) var(--zoom-y, 50%));
  }
}

/* ── SVG defs reused by sparklines (injected via JS or inline) ───────── */
/* Consumers reference url(#sparkFill) — see ria-layout.js where the
   <svg> defs block is appended to the document. */


/* ── AI Copilot Chat Drawer ────────────────────────────────────────── */
.copilot-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-color, #3b82f6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4), 0 8px 10px -6px rgba(59, 130, 246, 0.4);
  cursor: pointer;
  z-index: 999;
  border: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.copilot-fab:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 20px 30px -5px rgba(59, 130, 246, 0.5), 0 10px 15px -5px rgba(59, 130, 246, 0.5);
  background: var(--primary-hover, #2563eb);
}

.copilot-fab:active {
  transform: translateY(-1px) scale(0.98);
}

.ria-chat-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 440px;
  max-width: 100vw;
  background: rgba(15, 23, 42, 0.85); /* Slate 900 glass */
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  border-left: 1px solid rgba(148, 163, 184, 0.15);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.ria-chat-drawer.open {
  transform: translateX(0);
}

.ria-chat-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.ria-chat-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.chat-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.chat-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #f8fafc;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message-bubble {
  max-width: 85%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.chat-message-bubble.user {
  align-self: flex-end;
  background: var(--primary-color, #3b82f6);
  color: white;
  border-bottom-right-radius: 2px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.chat-message-bubble.assistant {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  color: #e2e8f0;
  border-bottom-left-radius: 2px;
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.chat-message-bubble.system {
  align-self: center;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  font-size: 0.85rem;
  border: 1px solid rgba(239, 68, 68, 0.2);
  text-align: center;
}

.chat-input-area {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  background: rgba(15, 23, 42, 0.95);
}

.chat-input-form {
  display: flex;
  gap: 0.75rem;
}

.chat-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  color: #f8fafc;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  outline: none;
  resize: none;
  max-height: 120px;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  border-color: var(--primary-color, #3b82f6);
}

.chat-send-btn {
  background: var(--primary-color, #3b82f6);
  color: white;
  border: none;
  border-radius: 10px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chat-send-btn:hover {
  background: var(--primary-hover, #2563eb);
  transform: scale(1.04);
}

.chat-send-btn:disabled {
  background: rgba(148, 163, 184, 0.2);
  color: #64748b;
  cursor: not-allowed;
  transform: none;
}

.chat-typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chat-typing-dots span {
  width: 6px;
  height: 6px;
  background-color: #94a3b8;
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.chat-typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}