/* ============================================================================
   MOTION BASELINE — shared UI layer for every MVC app in this factory
   Drop-in: <link rel="stylesheet" href="~/css/motion-ui.css" asp-append-version="true" />
   Pairs with motion-ui.js. No external deps, RTL-safe (logical properties),
   fully disabled under prefers-reduced-motion.
   Provenance: patterns distilled from Achal13jain/design-patterns (MIT),
   xiayu519/MotionVault (MIT), en970/ui-vault (MIT). See MOTION_BASELINE.md.
   ========================================================================== */

:root {
  /* canvas */
  --m-bg: #0a0b0f;
  --m-bg-2: #0f1117;
  --m-surface: rgba(255, 255, 255, .045);
  --m-surface-2: rgba(255, 255, 255, .075);
  --m-border: rgba(255, 255, 255, .10);
  --m-text: #e9ecf2;
  --m-muted: #949cad;

  /* accent ramp */
  --m-indigo: #6366f1;
  --m-cyan: #22d3ee;
  --m-pink: #f472b6;
  --m-amber: #fbbf24;
  --m-grad: linear-gradient(120deg, var(--m-indigo), var(--m-cyan) 55%, var(--m-pink));
  --m-grad-soft: linear-gradient(120deg, rgba(99,102,241,.22), rgba(34,211,238,.16) 55%, rgba(244,114,182,.18));

  /* shape + depth */
  --m-r-sm: 10px;
  --m-r: 16px;
  --m-r-lg: 22px;
  --m-shadow: 0 1px 1px rgba(0,0,0,.28), 0 8px 24px -12px rgba(0,0,0,.65);
  --m-shadow-hi: 0 2px 2px rgba(0,0,0,.3), 0 22px 60px -22px rgba(99,102,241,.55);

  /* motion contract — one vocabulary, three speeds */
  --m-fast: 140ms;
  --m-base: 260ms;
  --m-slow: 620ms;
  --m-ease: cubic-bezier(.22, 1, .36, 1);
  --m-ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --m-spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* ---------------------------------------------------------------- surfaces */
.m-body, body.m-app {
  background:
    radial-gradient(1100px 620px at 12% -12%, rgba(99,102,241,.20), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.13), transparent 60%),
    radial-gradient(760px 520px at 60% 108%, rgba(244,114,182,.10), transparent 65%),
    var(--m-bg);
  color: var(--m-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* slow aurora drift so the canvas is never dead-still */
.m-aurora {
  position: fixed;
  inset: -20vmax;
  z-index: -1;
  pointer-events: none;
  background: conic-gradient(from 0deg,
    rgba(99,102,241,.16), rgba(34,211,238,.10), rgba(244,114,182,.14), rgba(99,102,241,.16));
  filter: blur(90px);
  opacity: .5;
  animation: m-drift 42s linear infinite;
}
@keyframes m-drift { to { transform: rotate(1turn) scale(1.06); } }

.m-card {
  position: relative;
  background: var(--m-surface);
  border: 1px solid var(--m-border);
  border-radius: var(--m-r);
  box-shadow: var(--m-shadow);
  backdrop-filter: blur(12px) saturate(140%);
  transition: transform var(--m-base) var(--m-ease), box-shadow var(--m-base) var(--m-ease),
              border-color var(--m-base) var(--m-ease), background var(--m-base) var(--m-ease);
}
.m-card:hover { transform: translateY(-3px); box-shadow: var(--m-shadow-hi); border-color: rgba(255,255,255,.18); }
.m-card.is-static:hover { transform: none; box-shadow: var(--m-shadow); }

/* gradient hairline that lights up on hover (no layout shift) */
.m-card--edge::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--m-grad);
  -webkit-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(--m-base) var(--m-ease);
  pointer-events: none;
}
.m-card--edge:hover::after { opacity: .85; }

/* ------------------------------------------------------------------- type */
.m-title {
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  background: var(--m-grad);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.m-eyebrow {
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--m-muted);
}
.m-muted { color: var(--m-muted); }

/* ---------------------------------------------------------------- controls */
.m-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--m-border);
  background: var(--m-surface-2);
  color: var(--m-text);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--m-fast) var(--m-ease), box-shadow var(--m-base) var(--m-ease),
              border-color var(--m-fast) linear, background var(--m-base) linear;
}
.m-btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.26); box-shadow: 0 10px 26px -16px rgba(255,255,255,.5); }
.m-btn:active { transform: translateY(0) scale(.985); }
.m-btn--primary {
  border-color: transparent;
  color: #0a0b0f;
  background: var(--m-grad);
  background-size: 200% 200%;
  animation: m-grad-pan 9s var(--m-ease-in-out) infinite;
}
@keyframes m-grad-pan { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.m-btn--ghost { background: transparent; }

/* click ripple injected by motion-ui.js */
.m-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: currentColor;
  opacity: .35;
  pointer-events: none;
  animation: m-ripple var(--m-slow) var(--m-ease) forwards;
  mix-blend-mode: screen;
}
@keyframes m-ripple { to { transform: scale(2.6); opacity: 0; } }

/* ----------------------------------------------------------------- reveal */
.reveal {
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(.985);
  transition: opacity var(--m-slow) var(--m-ease), transform var(--m-slow) var(--m-ease);
  transition-delay: calc(var(--i, 0) * 70ms);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; will-change: auto; }
.reveal--left  { transform: translate3d(-24px, 0, 0); }
.reveal--right { transform: translate3d(24px, 0, 0); }
.reveal--pop   { transform: scale(.9); }

/* ------------------------------------------------------------- stat tiles */
.m-kpi { padding: 1.15rem 1.25rem; }
.m-kpi__value {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.m-kpi__label { font-size: .8rem; color: var(--m-muted); }
.m-kpi__spark { height: 3px; border-radius: 3px; background: var(--m-grad); opacity: .7; margin-top: .8rem; }

/* --------------------------------------------------------------- skeleton */
.m-skeleton {
  position: relative;
  overflow: hidden;
  border-radius: var(--m-r-sm);
  background: rgba(255,255,255,.06);
  min-height: 12px;
}
.m-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
  animation: m-shimmer 1.5s infinite;
}
@keyframes m-shimmer { to { transform: translateX(100%); } }

/* ------------------------------------------------------------------ toast */
.m-toast-stack {
  position: fixed;
  inset-block-end: 1.25rem;
  inset-inline-end: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  z-index: 1080;
}
.m-toast {
  min-width: 240px;
  max-width: 360px;
  padding: .8rem 1rem;
  border-radius: var(--m-r-sm);
  border: 1px solid var(--m-border);
  background: rgba(17,19,26,.92);
  backdrop-filter: blur(14px);
  box-shadow: var(--m-shadow);
  transform: translateY(14px) scale(.97);
  opacity: 0;
  animation: m-toast-in var(--m-base) var(--m-spring) forwards;
}
.m-toast.is-out { animation: m-toast-out 180ms var(--m-ease-in-out) forwards; }
@keyframes m-toast-in  { to { transform: none; opacity: 1; } }
@keyframes m-toast-out { to { transform: translateY(8px) scale(.98); opacity: 0; } }

/* ------------------------------------------------------------- progress bar */
.m-progress { height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.m-progress > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--m-grad);
  transition: width var(--m-slow) var(--m-ease);
}

/* --------------------------------------------------------------- tilt hook */
.m-tilt { transform-style: preserve-3d; transition: transform var(--m-base) var(--m-ease); }
.m-tilt__inner { transform: translateZ(28px); }

/* ------------------------------------------------------------- accessibility */
:where(a, button, .m-card):focus-visible {
  outline: 2px solid var(--m-cyan);
  outline-offset: 3px;
  border-radius: var(--m-r-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}