/* ═══════════════════════════════════════════════════════════
   SAFFRON ASSAY — WORLD-CLASS PREMIUM CSS v4.0
   Sliders · Interactions · Particles · Magnetic Hover
   ═══════════════════════════════════════════════════════════ */

/* ─── PARTICLE CANVAS ─── */
.hero-particles {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* ─── PROGRESS STEPS ─── */
.prog-step {
  transition: all 0.35s cubic-bezier(0.2,0.8,0.2,1);
  cursor: default;
}
.prog-step.on {
  transform: scale(1.05);
  box-shadow: 0 0 24px rgba(201,169,110,0.35), 0 0 60px rgba(201,169,110,0.1);
}

/* ─── PRESSURE CHIPS ─── */
.chip {
  position: relative;
  overflow: visible;
  transition: all 0.25s cubic-bezier(0.2,0.8,0.2,1);
}
.chip.on {
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(201,169,110,0.2), 0 4px 12px rgba(0,0,0,0.2);
}
.chip-particle {
  pointer-events: none;
  will-change: transform, opacity;
}

/* ═══════════════════════════════════════════════════════════
   PREMIUM CUSTOM RANGE SLIDER
   ═══════════════════════════════════════════════════════════ */
.premium-slider {
  position: relative;
  width: 100%;
  height: 42px;
  display: flex;
  align-items: center;
  margin: 0.25rem 0 0.9rem;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.premium-slider-track {
  width: 100%;
  height: 6px;
  background: rgba(245,240,232,0.08);
  border-radius: 999px;
  position: relative;
  overflow: visible;
}

.premium-slider-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(201,169,110,0.4), var(--gold), #e8d3a0);
  border-radius: 999px;
  position: absolute;
  top: 0; left: 0;
  transition: width 0.15s ease-out;
  box-shadow: 0 0 12px rgba(201,169,110,0.3);
}

.premium-slider-thumb {
  position: absolute;
  top: 50%;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  cursor: grab;
  box-shadow: 0 0 0 6px rgba(201,169,110,0.15), 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  z-index: 2;
}

.premium-slider-thumb:hover {
  box-shadow: 0 0 0 10px rgba(201,169,110,0.2), 0 2px 12px rgba(0,0,0,0.35);
}

.premium-slider-thumb.dragging {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 0 14px rgba(201,169,110,0.25), 0 4px 16px rgba(0,0,0,0.4);
}

.premium-slider-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid rgba(201,169,110,0.4);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.premium-slider-thumb.dragging .premium-slider-tooltip,
.premium-slider-thumb:hover .premium-slider-tooltip {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   PREMIUM SEVERITY SLIDER
   ═══════════════════════════════════════════════════════════ */
.sev-slider-wrap {
  position: relative;
  padding: 1.6rem 0 0.6rem;
  min-height: 56px;
}

.sev-slider-track {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(245,240,232,0.06);
  border-radius: 999px;
  cursor: pointer;
}

.sev-slider-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success), #85c96a, var(--warn), #e8804a, var(--fail));
  border-radius: 999px;
  position: absolute;
  top: 0; left: 0;
  transition: width 0.2s cubic-bezier(0.2,0.8,0.2,1);
  box-shadow: 0 0 10px rgba(255,255,255,0.08);
}

.sev-slider-tick {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(245,240,232,0.15);
  transform: translate(-50%, -50%);
  z-index: 1;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sev-slider-tick:hover {
  background: rgba(245,240,232,0.35);
  transform: translate(-50%, -50%) scale(1.3);
}

.sev-slider-tick.active {
  background: var(--gold);
  box-shadow: 0 0 10px rgba(201,169,110,0.5);
}

.sev-slider-thumb {
  position: absolute;
  top: 50%;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  cursor: grab;
  z-index: 3;
  box-shadow: 0 0 0 8px rgba(201,169,110,0.15), 0 3px 12px rgba(0,0,0,0.35);
  transition: transform 0.15s ease, background 0.2s ease;
}

.sev-slider-thumb.dragging {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.2);
  box-shadow: 0 0 0 14px rgba(201,169,110,0.25), 0 4px 18px rgba(0,0,0,0.45);
}

.sev-slider-glow {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: transparent;
  animation: sevGlow 2s ease-in-out infinite;
}

@keyframes sevGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(201,169,110,0.3); }
  50% { box-shadow: 0 0 20px rgba(201,169,110,0.6); }
}

.sev-slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.7rem;
  padding: 0 2px;
}

.sev-slider-labels span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.4;
  transition: all 0.25s ease;
  text-align: center;
  width: 20%;
}

.sev-slider-labels span.active {
  opacity: 1;
  font-weight: 600;
  transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════════
   MAGNETIC HOVER ON BUTTONS
   ═══════════════════════════════════════════════════════════ */
.btn-primary, .btn-ghost {
  transition: transform 0.2s cubic-bezier(0.2,0.8,0.2,1),
              box-shadow 0.2s cubic-bezier(0.2,0.8,0.2,1);
  will-change: transform;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(201,169,110,0.4);
}

/* ═══════════════════════════════════════════════════════════
   STAGE TRANSITIONS
   ═══════════════════════════════════════════════════════════ */
.stage {
  will-change: transform, opacity;
}

/* ═══════════════════════════════════════════════════════════
   SCAN LOG ANIMATIONS
   ═══════════════════════════════════════════════════════════ */
.scan-line {
  animation: lineSlideIn 0.45s cubic-bezier(0.2,0.8,0.2,1) forwards;
}

@keyframes lineSlideIn {
  from {
    opacity: 0;
    transform: translateX(-10px) translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }
}

.scan-bar > i {
  transition: width 0.2s cubic-bezier(0.2,0.8,0.2,1);
}

/* ═══════════════════════════════════════════════════════════
   LEAK BARS — ANIMATED FILL
   ═══════════════════════════════════════════════════════════ */
.leak-bar > i {
  transition: width 0.35s cubic-bezier(0.2,0.8,0.2,1);
  background: linear-gradient(90deg, rgba(201,169,110,0.3), var(--gold), #e8d3a0) !important;
  box-shadow: 0 0 8px rgba(201,169,110,0.2);
}

/* ═══════════════════════════════════════════════════════════
   SCORE RING — SMOOTHER ANIMATION
   ═══════════════════════════════════════════════════════════ */
.score-ring .prog {
  transition: stroke-dashoffset 0.5s cubic-bezier(0.2,0.8,0.2,1);
  filter: drop-shadow(0 0 10px rgba(201,169,110,0.5));
}

/* ═══════════════════════════════════════════════════════════
   TOGGLE SWITCH — SMOOTHER
   ═══════════════════════════════════════════════════════════ */
.toggle-switch {
  transition: background 0.3s cubic-bezier(0.2,0.8,0.2,1);
}
.toggle-switch::after {
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1),
              background 0.3s ease;
}

/* ═══════════════════════════════════════════════════════════
   BENCHMARK MARKER — SMOOTH
   ═══════════════════════════════════════════════════════════ */
.benchmark-marker {
  transition: left 0.4s cubic-bezier(0.2,0.8,0.2,1);
}

/* ═══════════════════════════════════════════════════════════
   REDUCED MOTION — RESPECT USER PREFERENCE
   ═══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-particles { display: none; }
}