.dhp-page, .dhp-page *, .dhp-public, .dhp-public * { box-sizing: border-box; }
.dhp-toolbar, .dhp-pagination, .dhp-editor__heading, .dhp-move-row, .dhp-category-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dhp-toolbar, .dhp-editor-form, .dhp-worksheet-form { margin-block: 24px; }
.dhp-toolbar, .dhp-pagination, .dhp-editor__heading { justify-content: space-between; }
.dhp-library-fields .hsj-ui-field { margin-bottom: 0; }
.dhp-editor-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.dhp-editor-fields > .hsj-ui-panel { grid-column: 1; width: 100%; max-width: none; margin: 0; }
.dhp-editor-fields > .dhp-editor-categories { grid-column: 2; grid-row: 2; }
.dhp-editor-fields > .dhp-library-fields { grid-column: 2; grid-row: 1; }
.dhp-editor-fields > [aria-labelledby="dhp-basics-heading"] { grid-row: 1; }
.dhp-editor-fields > .dhp-editor-metadata { grid-row: 2; }
.dhp-editor-fields summary { cursor: pointer; min-height: 44px; font-weight: 700; color: var(--hsj-ui-primary); }
.dhp-editor-fields summary:focus-visible { outline: 3px solid var(--hsj-ui-primary); outline-offset: 4px; }
.dhp-editor-metadata summary { font-size: 1.25rem; }
.dhp-editor-metadata[open] summary { margin-bottom: 16px; }
.dhp-editor-categories [role="alert"] { margin-top: 16px; }
.dhp-ownership { display: grid; gap: 8px; min-width: 0; margin: 0; padding: 16px; border: 1px solid var(--hsj-ui-border); border-radius: 8px; }
.dhp-ownership legend { font-weight: 600; }
.dhp-ownership > label { display: flex; align-items: center; gap: 8px; min-height: 44px; }
.dhp-ownership > .hsj-ui-field { display: grid; margin: 0; }
.dhp-ownership [hidden] { display: none !important; }
.dhp-ownership input[type="radio"] { flex: 0 0 auto; width: 20px; min-height: 20px; padding: 0; }
.dhp-editor-actions { padding-block: 8px; }
@media (max-width: 900px) {
    .dhp-editor-fields { grid-template-columns: minmax(0, 1fr); }
    .dhp-editor-fields > .hsj-ui-panel { grid-column: 1; grid-row: auto; }
}
.dhp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.dhp-page.hsj-feature-page .dhp-puzzle-card h2, .dhp-page.hsj-feature-page .dhp-puzzle-card h3 { margin: 0 0 12px; font-size: 1.125rem; }
.dhp-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.dhp-tags span { background: var(--hsj-ui-tint); color: var(--hsj-ui-primary); border-radius: 999px; padding: 4px 10px; font-size: .875rem; }
.dhp-check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); gap: 8px; margin: 16px 0 24px; }
.dhp-category-list { display: grid; gap: 12px; margin-top: 16px; }
.dhp-category-row { align-items: end; padding-top: 24px; border-top: 1px solid var(--hsj-ui-border); }
.dhp-inline-form { display: flex; align-items: end; flex-wrap: wrap; gap: 8px; }
.dhp-inline-form .hsj-ui-field { flex: 1 1 16rem; min-width: 0; margin-bottom: 0; }
.dhp-category-row .dhp-inline-form { flex: 1 1 25rem; }
.dhp-category-row > form { min-width: 0; max-width: 100%; }
.dhp-public-info code, .dhp-uuid { user-select: all; overflow-wrap: anywhere; }
.dhp-completeness { margin: 4px 0 0; padding: 12px; border-radius: 8px; }
.dhp-completeness.is-complete { color: var(--hsj-ui-success); background: var(--hsj-ui-success-bg); }
.dhp-completeness.is-incomplete { color: var(--hsj-ui-warning); background: var(--hsj-ui-warning-bg); }
.dhp-path { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 12px 0; border-block: 1px solid var(--hsj-ui-border); margin-bottom: 24px; }
.dhp-editor__layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); gap: 24px; align-items: start; }
.dhp-editor__board { width: min(100%, 44rem); }
.dhp-node-panel { min-width: 0; padding: 20px; border-radius: 12px; background: var(--hsj-ui-canvas); }
.dhp-node-panel h3 { margin-top: 0; }
.dhp-node-panel h4 { margin: 24px 0 8px; }
.dhp-move-row { justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--hsj-ui-border); }
.dhp-mistake-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 8px; margin: 12px 0; }
.dhp-mistake-row label { display: grid; min-width: 0; gap: 8px; font-weight: 600; }
.dhp-mistake-row textarea { width: 100%; min-height: 72px; padding: 10px 12px; border: 1px solid var(--hsj-ui-control-border); border-radius: 8px; font: inherit; resize: vertical; }
.dhp-delete-form { margin-top: 32px; border-color: var(--hsj-ui-danger) !important; }
.dhp-import-panel { margin-top: 24px; }
.dhp-import-panel > h2 { margin-top: 0; }
.dhp-import-panel textarea { width: 100%; min-height: 12rem; resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.dhp-import-panel input[type="file"] { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--hsj-ui-control-border); border-radius: 8px; background: var(--hsj-ui-surface); color: var(--hsj-ui-text); }
.dhp-import-confirm { align-items: flex-start; }
.dhp-import-confirm span { display: grid; gap: 4px; }
.dhp-import-confirm small { color: var(--hsj-ui-muted); font-weight: 400; }
.dhp-import-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: 12px; margin: 24px 0 0; }
.dhp-import-summary > div { min-width: 0; padding: 12px; border-radius: 8px; background: var(--hsj-ui-canvas); }
.dhp-import-summary dt { color: var(--hsj-ui-muted); font-size: .875rem; }
.dhp-import-summary dd { margin: 4px 0 0; color: var(--hsj-ui-primary); font-size: 1.25rem; font-weight: 700; }

.dhp-worksheet-group { margin-top: 24px !important; }
.dhp-worksheet-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.dhp-worksheet-browser { display: flex; align-items: end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.dhp-worksheet-browser .hsj-ui-field { flex: 1 1 18rem; min-width: 0; margin-bottom: 0; }
.dhp-worksheet-order { display: grid; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; counter-reset: worksheet; }
.dhp-worksheet-order__item { counter-increment: worksheet; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 12px; border: 1px solid var(--hsj-ui-border); border-radius: 8px; background: var(--hsj-ui-canvas); }
.dhp-worksheet-order__item > span:first-child { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 8px; min-width: 0; }
.dhp-worksheet-order__item > span:first-child::before { content: counter(worksheet) "."; grid-row: 1 / span 2; font-weight: 700; }
.dhp-worksheet-order__item strong, .dhp-worksheet-order__item .hsj-ui-meta { min-width: 0; overflow-wrap: anywhere; }

.dhp-public { width: min(100%, 58rem); margin: 20px auto; padding: clamp(12px, 2vw, 24px); border: 1px solid var(--hsj-ui-border, #d5dce5); border-radius: var(--hsj-ui-radius, 12px); background: var(--hsj-ui-surface, #fff); color: var(--hsj-ui-text, #202938); box-shadow: var(--hsj-ui-shadow, 0 8px 24px rgba(15, 23, 42, .08)); }
.dhp-public--error { border-color: var(--hsj-ui-danger, #9f1239); }
.dhp-public__title { margin: 0 0 8px; font-size: clamp(1.25rem, 3vw, 1.8rem); }
.dhp-public__players, .dhp-public__source { margin: 0 0 4px; color: var(--hsj-ui-muted, #596274); }
.dhp-public__comment { margin: 16px 0; padding: 12px 16px; border-left: 4px solid var(--hsj-ui-primary, #126575); background: var(--hsj-ui-tint, #eaf5f5); border-radius: 8px; }
.dhp-public__instruction { margin: 16px 0; color: var(--hsj-ui-muted, #596274); }
.dhp-public__layout { display: block; }
.dhp-public__board { width: min(100%, 52rem); min-width: 0; margin-inline: auto; }
.dhp-public__panel { width: min(100%, 52rem); margin: 16px auto 0; padding: 16px; border-top: 4px solid var(--hsj-ui-primary, #126575); background: var(--hsj-ui-canvas, #f3f8f8); border-radius: 8px; }
.dhp-public__status { margin: 0 0 8px; font-weight: 700; min-height: 1.6em; }
.dhp-public__progress { min-height: 1.5em; margin: 0 0 12px; color: var(--hsj-ui-muted, #596274); }
.dhp-public__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.dhp-button { appearance: none; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border: 1px solid var(--hsj-ui-primary, #126575); background: var(--hsj-ui-primary, #126575); color: #fff; border-radius: 8px; padding: 10px 16px; font-family: inherit; font-size: .9375rem; font-weight: 600; line-height: 1.4; cursor: pointer; }
.dhp-button:hover { color: #fff; background: var(--hsj-ui-primary-hover, #0d4c59); }
.dhp-button--secondary:hover { color: var(--hsj-ui-primary, #126575); background: var(--hsj-ui-tint, #eaf5f5); }
.dhp-button--secondary { color: var(--hsj-ui-primary, #126575); background: #fff; }
.dhp-button:focus-visible { outline: 3px solid var(--hsj-ui-primary, #126575); outline-offset: 3px; box-shadow: 0 0 0 3px white; }
.dhp-block-editor { min-height: 8rem; }
.dhp-block-preview { margin: 0; }

.dhp-page .hsj-ui-button[aria-disabled="true"] { color: var(--hsj-ui-muted); background: #edf0f4; border-color: var(--hsj-ui-control-border); cursor: not-allowed; }
.dhp-public { overflow-wrap: anywhere; font: 400 1rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.dhp-public [hidden] { display: none !important; }
.dhp-pagination { margin-top: 24px; }

@media (max-width: 767px) {
    .dhp-grid { grid-template-columns: minmax(0, 1fr); }
    .dhp-editor__layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .dhp-worksheet-choices { grid-template-columns: minmax(0, 1fr); }
    .dhp-worksheet-order__item { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 479px) {
    .dhp-toolbar, .dhp-inline-form, .dhp-category-row, .dhp-worksheet-browser { align-items: stretch; flex-direction: column; }
    .dhp-category-row .dhp-inline-form, .dhp-inline-form .hsj-ui-field { flex-basis: auto; }
    .dhp-inline-form > *, .dhp-public__actions > * { width: 100%; }
    .dhp-mistake-row { grid-template-columns: minmax(0, 1fr); }
    .dhp-public { padding: 8px; border-radius: 8px; }
    .dhp-public__panel { padding: 12px; }
    .hsj-public-plan .hsj-article-content > .dhp-public { width: auto; margin-inline: -1.25rem; padding: 4px; }
}