/* Stable layout for the custom banner editor. Keep the editor readable on every screen. */
.banner-manager-panel {
  box-sizing: border-box;
  overflow: hidden;
}

.banner-manager-panel .banner-editor-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.banner-manager-panel .banner-editor-head > div {
  min-width: 0;
}

.banner-manager-panel .banner-editor-head h2,
.banner-manager-panel .banner-editor-head p {
  overflow-wrap: anywhere;
}

.banner-manager-panel .banner-slide-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  align-items: stretch;
  gap: 10px;
  width: 100%;
  margin: 20px 0;
}

.banner-manager-panel .banner-slide-tab,
.banner-manager-panel .banner-slide-add {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 10px 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
}

.banner-manager-panel .banner-slide-tab:hover,
.banner-manager-panel .banner-slide-add:hover,
.banner-manager-panel .banner-slide-tab.is-active {
  border-color: rgba(108, 57, 216, .45);
  background: #f7f2ff;
}

.banner-manager-panel .banner-slide-tab > span {
  display: grid;
  flex: 0 0 26px;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--violet-soft, #eee7ff);
  color: var(--violet, #6c39d8);
  font-size: 12px;
  font-weight: 800;
}

.banner-manager-panel .banner-slide-tab > strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.banner-manager-panel .banner-slide-add {
  justify-content: center;
  border-style: dashed;
  color: var(--violet, #6c39d8);
  font-weight: 700;
  text-align: center;
}

.banner-manager-panel .banner-live-preview {
  box-sizing: border-box;
  display: flex;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: clamp(180px, var(--banner-height, 340px), 700px);
  min-height: 180px;
  max-height: 700px;
  margin: 0 0 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f5f1fc;
}

.banner-manager-panel .banner-image-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.banner-manager-panel .banner-image-preview > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(25, 15, 45, .68);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.banner-manager-panel .banner-empty-preview {
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.banner-manager-panel .banner-empty-preview strong {
  color: var(--ink);
  font-size: 18px;
}

.banner-manager-panel .banner-empty-preview small {
  max-width: 360px;
  line-height: 1.45;
}

.banner-manager-panel .banner-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}

.banner-manager-panel .banner-form .field {
  min-width: 0;
}

.banner-manager-panel .banner-form .field.full,
.banner-manager-panel .banner-form .form-actions {
  grid-column: 1 / -1;
}

.banner-manager-panel .banner-form input[type="file"] {
  box-sizing: border-box;
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 5px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.banner-manager-panel .banner-form input[type="file"]::file-selector-button {
  min-height: 34px;
  margin-right: 10px;
  padding: 0 12px;
  border: 0;
  border-radius: 7px;
  background: var(--violet, #6c39d8);
  color: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.banner-manager-panel .banner-current-image {
  display: block;
  width: min(100%, 420px);
  max-height: 180px;
  margin-top: 10px;
  object-fit: contain;
  object-position: left center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f5f1fc;
}

.banner-manager-panel .form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

@media (max-width: 600px) {
  .banner-manager-panel .banner-editor-head {
    gap: 10px;
  }

  .banner-manager-panel .banner-slide-list,
  .banner-manager-panel .banner-form {
    grid-template-columns: 1fr;
  }

  .banner-manager-panel .banner-form .field.full,
  .banner-manager-panel .banner-form .form-actions {
    grid-column: auto;
  }

  .banner-manager-panel .banner-live-preview {
    height: clamp(180px, var(--banner-height, 300px), 520px);
  }

  .banner-manager-panel .form-actions {
    flex-direction: column-reverse;
  }

  .banner-manager-panel .form-actions button {
    width: 100%;
  }
}