:root {
  --pf-bg: #0f0f14;
  --pf-yellow: #ffcb47;
  --pf-pink: #ff5fa2;
  --pf-orange: #ff8a3d;
  --pf-purple: #8b7bff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  background: var(--pf-bg);
}

.pf-bg {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(255,138,61,0.18), transparent 60%),
    radial-gradient(700px 500px at 5% 5%, rgba(255,95,162,0.16), transparent 60%),
    radial-gradient(800px 600px at 50% 120%, rgba(139,123,255,0.15), transparent 60%),
    var(--pf-bg);
  background-attachment: fixed;
}

.pf-title {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
}
.pf-title-accent {
  background: linear-gradient(100deg, var(--pf-yellow), var(--pf-pink) 55%, var(--pf-orange));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pf-star {
  color: var(--pf-pink);
  cursor: help;
  font-weight: 800;
}
.pf-infinity {
  background: linear-gradient(90deg, var(--pf-yellow), var(--pf-pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* Glassmorphism panels */
.pf-panel {
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

/* Drop zone */
.pf-drop {
  background: rgba(0,0,0,0.35);
  border: 1.5px dashed rgba(255,255,255,0.16);
}
.pf-drop:hover {
  border-color: rgba(255,95,162,0.6);
  background: rgba(255,95,162,0.05);
}

.pf-model-active { background: rgba(255,255,255,0.06); }

/* Generate button */
.pf-generate {
  background: linear-gradient(100deg, var(--pf-yellow), var(--pf-pink) 55%, var(--pf-orange));
  box-shadow: 0 10px 30px rgba(255,95,162,0.35);
}
.pf-generate:not(:disabled):hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.pf-generate:not(:disabled):active { transform: translateY(1px) scale(0.99); }

/* Secondary buttons */
.pf-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: #e5e5e5;
  cursor: pointer;
  transition: all 0.15s;
}
.pf-btn:hover { background: rgba(255,255,255,0.14); transform: translateY(-1px); }
.pf-btn-on {
  background: rgba(255,95,162,0.2);
  border-color: rgba(255,95,162,0.6);
  color: #ffc4dd;
}

.pf-link {
  color: var(--pf-pink);
  text-decoration: none;
  cursor: pointer;
}
.pf-link:hover { text-decoration: underline; color: var(--pf-yellow); }

/* Range sliders */
.pf-range, .pf-compare-range { -webkit-appearance: none; appearance: none; height: 6px; border-radius: 6px; background: rgba(255,255,255,0.12); outline: none; }
.pf-range::-webkit-slider-thumb, .pf-compare-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--pf-pink); cursor: pointer;
  box-shadow: 0 0 0 3px rgba(255,95,162,0.3);
}
.pf-range::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; border: none;
  background: var(--pf-pink); cursor: pointer;
}

/* Loading shimmer */
.pf-shimmer {
  background: linear-gradient(110deg, rgba(255,255,255,0.03) 30%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.03) 70%);
  background-size: 220% 100%;
  animation: pf-shine 1.6s linear infinite;
  border: 1px solid rgba(255,255,255,0.06);
}
@keyframes pf-shine { to { background-position: -220% 0; } }

.pf-spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.12);
  border-top-color: var(--pf-pink);
  border-right-color: var(--pf-orange);
  animation: pf-spin 0.9s linear infinite;
}
@keyframes pf-spin { to { transform: rotate(360deg); } }

.pf-result-pop { animation: pf-pop 0.4s cubic-bezier(0.2,0.9,0.3,1.3); }
@keyframes pf-pop { from { transform: scale(0.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.pf-float { animation: pf-float 3s ease-in-out infinite; display: inline-block; }
@keyframes pf-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Before/After compare */
.pf-compare { position: relative; }
.pf-compare-overlay { position: absolute; top: 0; left: 0; height: 100%; overflow: hidden; }
.pf-compare-img { position: absolute; top: 0; left: 0; height: 100%; width: auto; }
.pf-compare .pf-compare-overlay { width: 50%; }
.pf-compare-overlay .pf-compare-img { width: auto; max-width: none; }
.pf-compare img { display: block; width: 100%; }
.pf-compare-overlay { display: flex; }
.pf-compare-overlay img { width: 100%; object-fit: cover; }
.pf-compare-line {
  position: absolute; top: 0; height: 100%; width: 2px;
  background: #fff; box-shadow: 0 0 8px rgba(0,0,0,0.6);
  pointer-events: none; transform: translateX(-1px);
}
.pf-compare-range {
  position: absolute; bottom: 10px; left: 5%; width: 90%;
}

/* Confetti */
.pf-confetti-layer {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 20;
}
.pf-confetti {
  position: absolute; top: -10px; width: 8px; height: 12px; border-radius: 2px;
  animation: pf-fall 1.4s ease-in forwards;
}
@keyframes pf-fall {
  to { transform: translateY(420px) rotate(540deg); opacity: 0; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,95,162,0.35); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,95,162,0.55); }