/* POXY WORLD — Sky shared components (production)
   Prefix: px- — do not collide with legacy poxy-* until migration completes */

/* Brand mark */
.px-mark {
  background: var(--px-btn-bg);
  -webkit-mask: var(--px-cardmask) center / contain no-repeat;
  mask: var(--px-cardmask) center / contain no-repeat;
}

/* Glass surfaces */
.px-glass {
  background: var(--px-glass);
  border: 1px solid var(--px-border);
  border-radius: var(--px-r);
  box-shadow: var(--px-shadow);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
}

.px-panel {
  background: var(--px-card);
  border: 1px solid var(--px-border);
  border-radius: var(--px-r-lg);
  box-shadow: var(--px-shadow);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

/* Buttons */
.px-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 600 15px var(--px-font);
  cursor: pointer;
  padding: 13px 24px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: transform 0.15s, filter 0.2s;
  font-family: var(--px-font);
}

.px-btn:active {
  transform: scale(0.97);
}

.px-btn-primary {
  background: var(--px-btn-bg);
  color: var(--px-btn-text);
  border-color: var(--px-btn-bg);
}

.px-btn-primary:hover {
  filter: brightness(1.08);
}

.px-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  filter: none;
}

.px-btn-glass {
  background: var(--px-glass-strong);
  color: var(--px-text);
  border-color: var(--px-border);
  backdrop-filter: blur(12px);
}

.px-btn-glass:hover {
  transform: translateY(-1px);
}

.px-btn-lg {
  padding: 16px 30px;
  font-size: 16px;
  border-radius: 15px;
}

/* Form fields */
.px-input {
  width: 100%;
  font: 500 15px var(--px-font);
  color: var(--px-text);
  background: var(--px-field);
  border: 1px solid var(--px-border);
  border-radius: var(--px-r-sm);
  padding: 12px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.px-input::placeholder {
  color: var(--px-text-faint);
}

.px-input:focus {
  border-color: var(--sky-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sky-500) 22%, transparent);
}

.px-field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--px-text-dim);
  margin-bottom: 6px;
}

/* Sticky topbar (landing) */
.px-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  background: var(--px-glass);
  border-bottom: 1px solid var(--px-border);
}

/* Theme toggle chip */
.px-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--px-border);
  background: var(--px-glass-strong);
  color: var(--px-text);
  padding: 7px 13px;
  border-radius: 999px;
  font: 500 13px var(--px-font);
  cursor: pointer;
  transition: transform 0.15s;
}

.px-theme-toggle:hover {
  transform: translateY(-1px);
}

/* Page fade entrance */
.px-fade-up {
  animation: pxFadeUp 0.35s var(--px-ease);
}

@keyframes pxFadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .px-fade-up,
  .px-btn {
    animation: none !important;
    transition: none !important;
  }
}