.design-form-wrapper {
  --design-form-bg: #0a0a0a;
  --design-form-surface: #1a1a1a;
  --design-form-surface-alt: #0a0a0a;
  --design-form-border: #bfbfbf;
  --design-form-border-strong: #ffffff;
  --design-form-text: #ffffff;
  --design-form-muted: #bfbfbf;
  --design-form-accent: #ffffff;
  --design-form-accent-dark: #bfbfbf;
  --design-form-success: #ffffff;
  --design-form-error: #ffffff;
  color: var(--design-form-text);
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
  border: 1px solid var(--design-form-border);
  border-radius: 20px;
  background: var(--design-form-bg);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  position: relative;
  overflow: hidden;
}

.design-form-wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.design-form-wrapper *,
.design-form-wrapper *::before,
.design-form-wrapper *::after {
  box-sizing: border-box;
}

.design-form-wrapper .design-form-notice,
.design-form-wrapper .design-form-empty-state {
  margin-bottom: 24px;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--design-form-surface);
  border: 1px solid var(--design-form-border);
}

.design-form-wrapper .design-form-notice--success {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--design-form-success);
}

.design-form-wrapper .design-form-notice--error {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--design-form-error);
}

.design-form-wrapper .design-form-form {
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.design-form-wrapper .design-form-stepper {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.design-form-wrapper .design-form-stepper__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(26, 26, 26, 0.92);
  border: 1px solid var(--design-form-border);
  color: var(--design-form-muted);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.design-form-wrapper .design-form-stepper__item.is-active {
  border-color: var(--design-form-border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--design-form-text);
}

.design-form-wrapper .design-form-stepper__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--design-form-accent);
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.design-form-wrapper .design-form-step {
  display: none;
  gap: 22px;
}

.design-form-wrapper .design-form-step.is-active {
  display: grid;
}

.design-form-wrapper .design-form-step__header h2,
.design-form-wrapper .design-form-preview-title {
  margin: 0 0 8px;
  color: var(--design-form-text);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.design-form-wrapper .design-form-step__header p,
.design-form-wrapper .design-form-preview-card__eyebrow,
.design-form-wrapper .design-form-upload__filename {
  margin: 0;
  color: var(--design-form-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.design-form-wrapper .design-form-selector {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.design-form-wrapper .design-form-selector__options {
  display: grid;
  gap: 10px;
}

.design-form-wrapper .design-form-option {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--design-form-border);
  background: rgba(26, 26, 26, 0.92);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.design-form-wrapper .design-form-option:hover,
.design-form-wrapper .design-form-option:focus-within,
.design-form-wrapper .design-form-option.is-selected {
  border-color: var(--design-form-border-strong);
  background: rgba(255, 255, 255, 0.06);
}

.design-form-wrapper .design-form-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.design-form-wrapper .design-form-option__thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  border-radius: 12px;
  background: var(--design-form-surface-alt);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.design-form-wrapper .design-form-option__thumb img,
.design-form-wrapper .design-form-preview-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.design-form-wrapper .design-form-option__placeholder,
.design-form-wrapper .design-form-preview-placeholder {
  color: var(--design-form-muted);
  font-size: 14px;
  text-align: center;
  padding: 16px;
}

.design-form-wrapper .design-form-option__title {
  display: block;
  font-weight: 600;
  line-height: 1.4;
  font-size: 0.96rem;
}

.design-form-wrapper .design-form-preview-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 18px;
  background: var(--design-form-surface);
  border: 1px solid var(--design-form-border);
  min-height: 100%;
}

.design-form-wrapper .design-form-preview-card__media {
  min-height: 360px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--design-form-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.design-form-wrapper .design-form-preview-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.design-form-wrapper .design-form-preview-thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.design-form-wrapper .design-form-preview-thumbs.is-hidden {
  display: none;
}

.design-form-wrapper .design-form-preview-thumb {
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--design-form-border);
  border-radius: 12px;
  background: var(--design-form-surface);
  color: var(--design-form-text);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.design-form-wrapper .design-form-preview-thumb:hover,
.design-form-wrapper .design-form-preview-thumb:focus {
  border-color: var(--design-form-border-strong);
  background: rgba(255, 255, 255, 0.05);
}

.design-form-wrapper .design-form-preview-thumb.is-active {
  border-color: var(--design-form-accent);
  background: rgba(255, 255, 255, 0.06);
}

.design-form-wrapper .design-form-preview-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

.design-form-wrapper .design-form-preview-thumb span {
  font-size: 0.75rem;
  font-weight: 500;
}

.design-form-wrapper .design-form-upload {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 16px;
  border: 1px dashed var(--design-form-border-strong);
  background: rgba(26, 26, 26, 0.82);
}

.design-form-wrapper .design-form-fields {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

.design-form-wrapper .design-form-fields__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.design-form-wrapper .design-form-field {
  display: grid;
  gap: 8px;
}

.design-form-wrapper .design-form-field label {
  font-weight: 600;
  font-size: 0.84rem;
  letter-spacing: 0.01em;
}

.design-form-wrapper .design-form-field input,
.design-form-wrapper .design-form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--design-form-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--design-form-text);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.design-form-wrapper .design-form-field input::placeholder,
.design-form-wrapper .design-form-field textarea::placeholder {
  color: rgba(191, 191, 191, 0.8);
}

.design-form-wrapper .design-form-field input:focus,
.design-form-wrapper .design-form-field textarea:focus,
.design-form-wrapper .design-form-upload__input:focus {
  outline: none;
  border-color: var(--design-form-border-strong);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.design-form-wrapper .design-form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.design-form-wrapper .design-form-upload__label {
  font-weight: 700;
}

.design-form-wrapper .design-form-upload__input {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--design-form-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--design-form-text);
}

.design-form-wrapper .design-form-validation-message {
  margin: 0;
  color: var(--design-form-error);
  font-weight: 600;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.design-form-wrapper .design-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.design-form-wrapper .design-form-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.design-form-wrapper .design-form-button:hover,
.design-form-wrapper .design-form-button:focus {
  opacity: 0.92;
}

.design-form-wrapper .design-form-button--primary {
  color: #0a0a0a;
  background: var(--design-form-accent);
  box-shadow: none;
}

.design-form-wrapper .design-form-button--secondary {
  color: var(--design-form-text);
  background: transparent;
  border: 1px solid var(--design-form-border);
}

@media (max-width: 900px) {
  .design-form-wrapper .design-form-preview-thumbs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .design-form-wrapper .design-form-fields__grid {
    grid-template-columns: 1fr;
  }
  .design-form-wrapper .design-form-selector {
    grid-template-columns: 1fr;
  }

  .design-form-wrapper .design-form-preview-card__media {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .design-form-wrapper {
    padding: 18px;
    border-radius: 16px;
  }

  .design-form-wrapper .design-form-stepper {
    grid-template-columns: 1fr;
  }

  .design-form-wrapper .design-form-option {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .design-form-wrapper .design-form-preview-card__media {
    min-height: 220px;
  }
}