.materials-surface { max-width: 940px; margin: 0 auto; padding-bottom: 48px; }
.materials-surface h2 { font: 700 27px/1.25 var(--sans); letter-spacing: -.025em; margin: 8px 0 0; }
.materials-head { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px 24px; margin-bottom: 28px; }
.materials-head .eyebrow { margin: 0; }
.materials-head .quiet { flex: none; min-height: 44px; }
.materials-intro { max-width: 68ch; color: var(--ink-soft); margin: 0 0 24px; }
.materials-source-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; margin: -8px 0 16px; }
.materials-source { color: var(--ink-soft); font-size: 14px; overflow-wrap: anywhere; margin: 0; }
.materials-modes { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 0; border: 0; margin: 28px 0 20px; }
.materials-modes legend { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.materials-modes label { display: flex; align-items: center; gap: 9px; min-height: 44px; cursor: pointer; }
.materials-modes input, .materials-attest input { width: 18px; height: 18px; flex: none; accent-color: var(--seal); margin: 0; }
.materials-modes:disabled label { color: var(--ink-soft); cursor: default; }
.materials-input { max-width: 720px; }
.materials-upload { padding: 24px; border: 1px dashed var(--ink-faint); border-radius: 10px; background: var(--paper-raised); }
.materials-file { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.materials-file:focus-visible + button { outline: 2px solid var(--seal); outline-offset: 3px; }
.materials-file-name { margin: 16px 0 0; font-weight: 500; overflow-wrap: anywhere; }
.materials-file-name span { font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.materials-help { font-size: 14px; line-height: 1.55; color: var(--ink-soft); max-width: 70ch; margin: 12px 0; }
.materials-surface .act, .materials-surface .step { min-height: 44px; line-height: 1.3; }
.materials-title-field { display: grid; gap: 8px; max-width: 620px; font-weight: 500; }
.materials-title-field input { width: 100%; min-width: 0; }
.materials-deck-summary { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 16px 0; border-top: 1px solid var(--rule); color: var(--ink-soft); font-size: 14px; }
.materials-deck-summary span:first-child { font-weight: 700; color: var(--ink); }
.materials-cards { list-style: none; padding: 0; margin: 0; }
.materials-card { padding: 20px 0 24px; border-top: 1px solid var(--rule); }
.materials-card-top { display: flex; justify-content: space-between; align-items: center; margin: 0 0 8px; }
.materials-card-top > span { font: 500 13px/1.4 var(--sans); color: var(--ink-soft); }
.materials-card-top .quiet { min-height: 44px; padding-inline: 8px; }
.materials-card-fields { display: grid; gap: 20px; }
.materials-card-fields > div { min-width: 0; }
.materials-card-fields label { display: block; font-weight: 500; margin-bottom: 8px; }
.materials-card-fields textarea.field { font-size: 15px; min-height: 84px; padding: 12px; line-height: 1.5; }
.material-origin { font-size: 13px; line-height: 1.5; color: var(--ink-soft); margin: 8px 0 0; overflow-wrap: anywhere; }
.material-origin.suggested { color: var(--seal); font-weight: 500; }
.material-origin summary { cursor: pointer; padding: 6px 0; width: fit-content; min-height: 32px; }
.material-origin summary span { margin-left: 3px; }
.material-origin blockquote { margin: 4px 0 0; background: var(--paper-sunken); border: 1px solid var(--rule); border-radius: 6px; padding: 12px; white-space: pre-wrap; }
.material-location { margin: 6px 0; font-weight: 500; }
.materials-add, .materials-save-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; padding: 16px 0; }
.materials-save-row { margin-top: 20px; border-top: 1px solid var(--rule); }
.materials-play { margin: 16px 0 24px; }
.materials-coverage { color: var(--ink-soft); font-size: 14px; margin: 12px 0 24px; }
.materials-game-edits { border-block: 1px solid var(--rule); padding: 12px 0; }
.materials-game-edits > summary { cursor: pointer; padding: 10px 0; font-weight: 500; }
.materials-game-edits .materials-cards { margin-top: 12px; }
.materials-approval { border-top: 1px solid var(--rule); padding-top: 28px; margin-top: 12px; }
.materials-attest { display: flex; align-items: flex-start; gap: 12px; max-width: 70ch; padding: 0 0 20px; cursor: pointer; }
.materials-attest input { margin-top: 4px; }
.materials-error, .materials-leave { padding: 16px 20px; border: 1px solid var(--seal); border-radius: 8px; margin: 0 0 24px; }
.materials-error p, .materials-leave p { margin: 0 0 8px; }
.materials-error p:last-child { margin-bottom: 0; }
.materials-leave button { margin-right: 16px; min-height: 44px; }
.materials-status:empty { display: none; }
.materials-status p { padding: 16px 0; margin: 0 0 20px; font-weight: 500; }
.materials-warnings { padding-left: 22px; margin: 0 0 24px; color: var(--ink-soft); }
.materials-unit { padding-block: 4px; margin-bottom: 24px; border-block: 1px solid var(--rule); }
.materials-unit > summary { padding-block: 12px; cursor: pointer; font-weight: 500; }
.materials-unit[open] > summary { margin-bottom: 12px; }
.materials-unit select { max-width: 100%; margin-right: 12px; margin-bottom: 12px; }
.materials-build-entry { margin-block: 24px; }
.materials-replace { min-height: 44px; }
@media (min-width: 680px) {
  .materials-card-fields { grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr); gap: 28px; }
}
@media (max-width: 420px) {
  .materials-upload { padding: 20px 16px; }
  .materials-surface h2 { font-size: 24px; }
  .materials-modes { gap: 4px; flex-direction: column; }
  .materials-card-fields textarea.field { font-size: 16px; }
  .materials-title-field input { font-size: 16px; }
}