.card-option-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  box-sizing: border-box;
}

.card-option-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.card-option-label {
  width: 5rem;
  flex: 0 0 5rem;
  color: #374151;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
}

.home-menu-option-panel {
  width: 100%;
}

.home-option-label {
  width: 6rem;
  flex-basis: 6rem;
}

.home-default-category-select {
  width: min(100%, 24rem);
}

.card-layout-options,
.card-style-options {
  display: inline-flex;
  flex: 1 1 0;
  flex-wrap: wrap;
  gap: 0.25rem;
  min-width: 0;
}

.card-layout-option {
  display: inline-flex;
  cursor: pointer;
}

.card-animation-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(5.25rem, 1fr));
  gap: 0.25rem;
  width: 100%;
  max-width: 100%;
}

.card-segment-option,
.card-animation-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.5rem;
  min-height: 32px;
  padding: 0.25rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
  background: rgba(255, 255, 255, 0.35);
  color: #4b5563;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25;
  text-align: center;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.card-segment-option:hover,
.card-animation-option:hover {
  border-color: #93c5fd;
  color: #111827;
  background: rgba(255, 255, 255, 0.75);
}

.card-segment-option:focus-visible,
.card-layout-option input:focus-visible + .card-segment-option,
.card-animation-option:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.22);
}

.card-segment-option.active,
.card-layout-option input:checked + .card-segment-option,
.card-animation-option.active {
  border-color: #0b66d8;
  background: #0d7df2;
  color: #fff;
  box-shadow: 0 1px 3px rgba(13, 125, 242, 0.28);
}

.card-animation-control {
  flex: 1 1 0;
  min-width: 0;
  max-width: none;
}

.card-option-panel .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.card-typography-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 5rem minmax(0, 1fr);
  grid-template-areas:
    "font-label size-label color-label"
    "font-control size-control color-control";
  gap: 0.5rem;
  align-items: start;
}

.card-typography-font,
.card-typography-size,
.card-typography-color {
  display: contents;
  min-width: 0;
}

.card-typography-row label {
  display: block;
  white-space: nowrap;
  margin-bottom: 0 !important;
  line-height: 1.25rem;
}

.card-typography-font > label {
  grid-area: font-label;
}

.card-typography-font > .custom-select {
  grid-area: font-control;
}

.card-typography-size > label {
  grid-area: size-label;
}

.card-typography-size > input {
  grid-area: size-control;
}

.card-typography-color > label {
  grid-area: color-label;
}

.card-typography-color > .flex {
  grid-area: color-control;
}

.card-typography-row .custom-select,
.card-typography-row input[type='number'],
.card-typography-row input[type='text'] {
  box-sizing: border-box;
  height: 40px !important;
  padding: 0 0.75rem !important;
  border: 1px solid #cbd5e1 !important;
  border-radius: 0.375rem !important;
  background-color: #fff;
  color: #1f2937;
  font-size: 1rem !important;
  line-height: 40px;
}

.card-typography-row .custom-select {
  padding-right: 2.5rem !important;
  background-position: right 0.75rem center;
}

.card-typography-row input[type='number'] {
  padding-right: 0.25rem !important;
}

.card-typography-size input {
  min-width: 5rem;
}

.card-typography-color .flex {
  height: 40px !important;
  min-width: 0;
}

.card-typography-color input[type='color'] {
  box-sizing: border-box;
  flex: 0 0 40px;
  width: 40px !important;
  height: 40px !important;
  padding: 4px !important;
  border: 1px solid #cbd5e1 !important;
  border-radius: 0.375rem !important;
  background: #fff;
}

.card-typography-color input[type='text'] {
  width: 100%;
  min-width: 0;
}

.card-typography-color input[type='color']::-webkit-color-swatch-wrapper {
  padding: 0;
}

.card-typography-color input[type='color']::-webkit-color-swatch {
  border: 0;
  border-radius: 0.2rem;
}

.card-typography-color input[type='color']::-moz-color-swatch {
  border: 0;
  border-radius: 0.2rem;
}

.preview-card-anim-enter {
  animation-duration: 0.6s;
  animation-timing-function: ease-out;
  animation-fill-mode: both;
  backface-visibility: hidden;
  transition: none !important;
  will-change: opacity, transform;
}

.preview-card-anim-cleanup {
  transition: none !important;
}

.preview-card-anim-slideUp { animation-name: previewCardSlideUpIn; animation-duration: 0.6s; }
.preview-card-anim-radial { animation-name: previewCardRadialIn; animation-duration: 0.5s; }
.preview-card-anim-fadeIn { animation-name: previewCardFadeIn; animation-duration: 0.6s; }
.preview-card-anim-slideLeft { animation-name: previewCardSlideLeftIn; animation-duration: 0.6s; }
.preview-card-anim-slideRight { animation-name: previewCardSlideRightIn; animation-duration: 0.6s; }
.preview-card-anim-convergeIn { animation-name: previewCardConvergeIn; animation-duration: 0.7s; }
.preview-card-anim-flipIn {
  animation-name: previewCardFlipIn;
  animation-duration: 0.68s;
  animation-timing-function: cubic-bezier(0.25, 0.6, 0.25, 1);
  perspective: 900px;
  transform-origin: center;
  transform-style: preserve-3d;
}

.preview-card-anim-flipIn.frosted-glass-effect,
.preview-card-anim-flipIn.live-card.frosted {
  animation-name: previewCardFrostedFlipIn;
}

@keyframes previewCardSlideUpIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes previewCardRadialIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes previewCardFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes previewCardSlideLeftIn {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes previewCardSlideRightIn {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes previewCardConvergeIn {
  from {
    opacity: 0;
    transform: translate(var(--preview-card-anim-x, -56px), var(--preview-card-anim-y, 0));
  }
  to { opacity: 1; transform: translate(0, 0); }
}

@keyframes previewCardFlipIn {
  0% { opacity: 0; transform: perspective(900px) rotateY(-82deg); }
  30% { opacity: 0.6; transform: perspective(900px) rotateY(-45deg); }
  55% { opacity: 0.86; transform: perspective(900px) rotateY(-24deg); }
  75% { opacity: 1; transform: perspective(900px) rotateY(-11deg); }
  90% { opacity: 1; transform: perspective(900px) rotateY(-4deg); }
  100% { opacity: 1; transform: perspective(900px) rotateY(0deg); }
}

@keyframes previewCardFrostedFlipIn {
  0% { opacity: 0; transform: perspective(900px) rotateY(-82deg); }
  16% { opacity: 1; transform: perspective(900px) rotateY(-82deg); }
  34% { opacity: 1; transform: perspective(900px) rotateY(-45deg); }
  58% { opacity: 1; transform: perspective(900px) rotateY(-24deg); }
  78% { opacity: 1; transform: perspective(900px) rotateY(-11deg); }
  92% { opacity: 1; transform: perspective(900px) rotateY(-4deg); }
  100% { opacity: 1; transform: perspective(900px) rotateY(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  .preview-card-anim-enter {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .card-option-panel {
    display: flex;
    width: 100%;
  }

  .card-option-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .card-option-label,
  .card-animation-control {
    width: 100%;
    max-width: none;
    flex-basis: auto;
  }

  .card-animation-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .card-animation-option {
    min-width: 0;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .card-typography-row {
    grid-template-columns: 1fr;
    grid-template-areas:
      "font-label"
      "font-control"
      "size-label"
      "size-control"
      "color-label"
      "color-control";
  }

  .card-typography-size input {
    min-width: 0;
  }
}