/**
 * Motion effects — Zajno-inspired UI animation principles
 * Easing · offset/delay · fade · transform · parallax · dimension
 */

:root {
  --motion-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --motion-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --motion-ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-duration: 0.85s;
  --motion-duration-slow: 1.15s;
  --motion-stagger: 0.08s;
}

/* ---------- Ambient background layer ---------- */
.motion-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

body.app-body.bis-dashboard-shell:not(.app-immersive) {
  position: relative;
}

body.app-body.bis-dashboard-shell:not(.app-immersive) > .motion-ambient {
  z-index: 0;
}

body.app-body.bis-dashboard-shell:not(.app-immersive) > *:not(.motion-ambient):not(.app-navbar):not(.modal):not(.modal-backdrop) {
  position: relative;
  z-index: 1;
}

.motion-ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.35;
  will-change: transform;
  animation: motion-orb-drift 18s ease-in-out infinite;
}

.motion-ambient__orb--1 {
  width: min(42vw, 380px);
  height: min(42vw, 380px);
  background: rgba(99, 102, 241, 0.45);
  top: -8%;
  right: -6%;
  animation-delay: 0s;
}

.motion-ambient__orb--2 {
  width: min(36vw, 320px);
  height: min(36vw, 320px);
  background: rgba(20, 184, 166, 0.38);
  bottom: 12%;
  left: -8%;
  animation-delay: -6s;
}

.motion-ambient__orb--3 {
  width: min(28vw, 240px);
  height: min(28vw, 240px);
  background: rgba(244, 114, 182, 0.28);
  top: 42%;
  left: 38%;
  animation-delay: -12s;
}

@keyframes motion-orb-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(28px, -22px) scale(1.06); }
  66% { transform: translate(-18px, 16px) scale(0.94); }
}

/* ---------- Scroll reveal variants ---------- */
[data-motion],
.reveal-on-scroll {
  --motion-delay: 0ms;
  --motion-distance: 36px;
  will-change: opacity, transform, filter, clip-path;
}

.reveal-on-scroll.is-visible,
[data-motion].is-visible {
  transition-delay: var(--motion-delay);
}

[data-motion="fade-up"],
.reveal-on-scroll:not([data-motion]) {
  opacity: 0;
  transform: translateY(var(--motion-distance)) scale(0.98);
  filter: blur(6px);
  transition:
    opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out),
    filter calc(var(--motion-duration) * 0.85) ease;
}

[data-motion="fade-up"].is-visible,
.reveal-on-scroll:not([data-motion]).is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: none;
}

[data-motion="fade-down"] {
  opacity: 0;
  transform: translateY(calc(var(--motion-distance) * -1));
  transition: opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out);
}

[data-motion="fade-down"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-motion="fade-left"] {
  opacity: 0;
  transform: translateX(calc(var(--motion-distance) * -1));
  filter: blur(4px);
  transition: opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out),
    filter 0.6s ease;
}

[data-motion="fade-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
  filter: none;
}

[data-motion="fade-right"] {
  opacity: 0;
  transform: translateX(var(--motion-distance));
  filter: blur(4px);
  transition: opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out),
    filter 0.6s ease;
}

[data-motion="fade-right"].is-visible {
  opacity: 1;
  transform: translateX(0);
  filter: none;
}

[data-motion="zoom-in"] {
  opacity: 0;
  transform: scale(0.88);
  filter: blur(8px);
  transition: opacity var(--motion-duration-slow) var(--motion-ease-expo),
    transform var(--motion-duration-slow) var(--motion-ease-expo),
    filter 0.7s ease;
}

[data-motion="zoom-in"].is-visible {
  opacity: 1;
  transform: scale(1);
  filter: none;
}

[data-motion="zoom-out"] {
  opacity: 0;
  transform: scale(1.12);
  transition: opacity var(--motion-duration) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out);
}

[data-motion="zoom-out"].is-visible {
  opacity: 1;
  transform: scale(1);
}

[data-motion="mask-up"] {
  opacity: 1;
  clip-path: inset(100% 0 0 0);
  transform: translateY(12px);
  transition:
    clip-path var(--motion-duration-slow) var(--motion-ease-expo),
    transform var(--motion-duration-slow) var(--motion-ease-expo);
}

[data-motion="mask-up"].is-visible {
  clip-path: inset(0 0 0 0);
  transform: translateY(0);
}

[data-motion="blur-in"] {
  opacity: 0;
  filter: blur(16px);
  transform: scale(1.02);
  transition: opacity var(--motion-duration) var(--motion-ease-out),
    filter var(--motion-duration-slow) var(--motion-ease-out),
    transform var(--motion-duration) var(--motion-ease-out);
}

[data-motion="blur-in"].is-visible {
  opacity: 1;
  filter: none;
  transform: scale(1);
}

/* Stagger children */
.motion-stagger > * {
  --motion-delay: calc(var(--motion-stagger) * var(--motion-index, 0));
}

.motion-stagger > *:nth-child(1) { --motion-index: 0; }
.motion-stagger > *:nth-child(2) { --motion-index: 1; }
.motion-stagger > *:nth-child(3) { --motion-index: 2; }
.motion-stagger > *:nth-child(4) { --motion-index: 3; }
.motion-stagger > *:nth-child(5) { --motion-index: 5; }
.motion-stagger > *:nth-child(6) { --motion-index: 6; }
.motion-stagger > *:nth-child(7) { --motion-index: 7; }
.motion-stagger > *:nth-child(8) { --motion-index: 8; }

/* ---------- Masked text reveal (Zajno-style) ---------- */
.motion-text-reveal {
  overflow: hidden;
  display: block;
}

.motion-text-reveal > .motion-text-inner {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition:
    transform var(--motion-duration-slow) var(--motion-ease-expo),
    opacity calc(var(--motion-duration) * 0.6) ease;
  transition-delay: var(--motion-delay, 0ms);
}

.motion-text-reveal.is-visible > .motion-text-inner {
  transform: translateY(0);
  opacity: 1;
}

.motion-text-line {
  display: block;
  overflow: hidden;
}

.motion-text-line + .motion-text-line {
  margin-top: 0.1em;
}

/* ---------- Hero parallax & dimension ---------- */
.motion-hero {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.motion-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10%;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(255, 255, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(255, 255, 255, 0.08), transparent 50%);
  pointer-events: none;
  will-change: transform;
  transition: transform 0.1s linear;
}

.motion-hero__layer {
  will-change: transform;
  transition: transform 0.12s linear;
}

.motion-hero.is-scrolled-in {
  animation: motion-hero-glow 1.2s var(--motion-ease-out) both;
}

@keyframes motion-hero-glow {
  from { box-shadow: 0 0 0 rgba(99, 102, 241, 0); }
  to { box-shadow: inherit; }
}

/* ---------- 3D tilt cards ---------- */
.motion-tilt {
  transform-style: preserve-3d;
  perspective: 900px;
  transition: transform 0.35s var(--motion-ease-out), box-shadow 0.35s ease;
  will-change: transform;
}

.motion-tilt-inner {
  transition: transform 0.35s var(--motion-ease-out);
  transform-style: preserve-3d;
}

.motion-tilt:hover {
  transform: translateY(-4px);
}

body.app-body .card.motion-tilt:hover {
  transform: translateY(-4px);
}

.motion-tilt.is-tilting .motion-tilt-inner {
  transition: transform 0.08s linear;
}

.motion-tilt .motion-tilt-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    circle at var(--shine-x, 50%) var(--shine-y, 50%),
    rgba(255, 255, 255, 0.22) 0%,
    transparent 55%
  );
  transition: opacity 0.35s ease;
  z-index: 2;
}

.motion-tilt.is-tilting .motion-tilt-shine,
.motion-tilt:hover .motion-tilt-shine {
  opacity: 1;
}

/* ---------- Parallax scroll layers ---------- */
[data-parallax] {
  will-change: transform;
}

/* ---------- Magnetic buttons ---------- */
.motion-magnetic {
  position: relative;
  transition: transform 0.35s var(--motion-ease-spring);
  will-change: transform;
}

/* ---------- Count-up numbers ---------- */
.motion-count {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  transition: transform 0.5s var(--motion-ease-spring);
}

.motion-count.is-counting {
  transform: scale(1.04);
}

/* ---------- Table row cascade ---------- */
.motion-table-row {
  opacity: 0;
  transform: translateX(-12px);
  transition:
    opacity 0.55s var(--motion-ease-out),
    transform 0.55s var(--motion-ease-out);
  transition-delay: calc(var(--motion-index, 0) * 0.04s);
}

.motion-table-row.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Card lift & morph hover ---------- */
.motion-lift {
  transition:
    transform 0.45s var(--motion-ease-out),
    box-shadow 0.45s ease,
    border-color 0.35s ease;
}

.motion-lift:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.14);
}

/* ---------- Animated gradient border ---------- */
.motion-gradient-border {
  position: relative;
  overflow: hidden;
}

.motion-gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(
    120deg,
    rgba(99, 102, 241, 0.6),
    rgba(20, 184, 166, 0.5),
    rgba(196, 181, 253, 0.5),
    rgba(99, 102, 241, 0.6)
  );
  background-size: 300% 300%;
  animation: motion-gradient-shift 6s ease infinite;
  -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;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.motion-gradient-border:hover::before {
  opacity: 1;
}

@keyframes motion-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- Login page motion ---------- */
.app-login-page .motion-login-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  animation: motion-login-rise 0.9s var(--motion-ease-expo) forwards;
}

.app-login-page .motion-login-stagger > *:nth-child(1) { animation-delay: 0.15s; }
.app-login-page .motion-login-stagger > *:nth-child(2) { animation-delay: 0.28s; }
.app-login-page .motion-login-stagger > *:nth-child(3) { animation-delay: 0.4s; }
.app-login-page .motion-login-stagger > *:nth-child(4) { animation-delay: 0.52s; }
.app-login-page .motion-login-stagger > *:nth-child(5) { animation-delay: 0.64s; }

@keyframes motion-login-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.app-login-page .motion-cursor-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.12), transparent 65%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

.app-login-page.motion-cursor-active .motion-cursor-glow {
  opacity: 1;
}

/* ---------- Page entrance ---------- */
body.motion-ready {
  animation: motion-page-in 0.5s var(--motion-ease-out) both;
}

@keyframes motion-page-in {
  from { opacity: 0.92; }
  to { opacity: 1; }
}

/* ---------- Icon float on hover ---------- */
.motion-icon-float:hover i,
.motion-icon-float:hover .bi,
.motion-icon-float:hover .fas {
  animation: motion-icon-bob 0.6s var(--motion-ease-spring);
}

@keyframes motion-icon-bob {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-4px); }
  70% { transform: translateY(1px); }
}

/* ---------- Progress bar fill animation ---------- */
.motion-progress-fill {
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 1.1s var(--motion-ease-expo);
}

.motion-progress-fill.is-visible {
  transform: scaleX(1);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .motion-ambient,
  .motion-ambient__orb,
  .motion-cursor-glow {
    display: none !important;
  }

  [data-motion],
  .reveal-on-scroll,
  .motion-text-reveal > .motion-text-inner,
  .motion-table-row,
  .motion-login-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
    animation: none !important;
    transition: none !important;
  }

  .motion-tilt,
  .motion-tilt-inner,
  .motion-magnetic,
  [data-parallax],
  .motion-hero__layer {
    transform: none !important;
  }
}