.project-files{background:var(--surface,#fff);border:1px solid var(--border,#dce3ed);border-radius:14px;padding:16px;margin:16px 0;color:var(--text,#233650)}
.file-section-heading,.file-document-heading,.file-version-name,.file-controls,.file-record-filters,.file-permission-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.file-section-heading{justify-content:space-between;margin-bottom:12px}.file-section-heading h2,.file-section-heading h3,.file-document-heading h4{margin:0}
.file-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.file-column{min-width:0;border:1px dashed #cad5e3;border-radius:8px;padding:12px;overflow-wrap:anywhere;background:#fbfcfe}.file-column[data-drag-active=true]{border-color:var(--fusion-accent-ink, #315d8e);background:#edf4fb}.file-column-heading{margin:0 0 8px}.file-column-title{width:100%;text-align:left;font-weight:600;min-height:40px;white-space:normal}.file-column-title::after{content:'＋';float:right;margin-left:8px}.file-column-hint,.file-column-empty{line-height:1.6;margin:8px 0;font-size:12px}.file-column input[hidden]{display:none}.file-column .file-document{padding:10px}.file-column .file-document-heading h4{font-size:13px;overflow-wrap:anywhere}.file-column .file-upload-form{grid-template-columns:minmax(0,1fr);gap:10px;margin:12px 0}.file-column .file-upload-form>h5{margin:0}.file-column .file-controls .button{max-width:100%;white-space:normal}.file-column .file-version-meta{line-height:1.6;overflow-wrap:anywhere}.file-column .file-selected-name{font-size:13px;color:var(--text,#233650);margin:0}.file-column .file-upload-form>.button{width:100%}
.file-document{border:1px solid var(--border,#dce3ed);border-radius:10px;padding:12px;margin:8px 0}.file-hidden{background:#f5f6f8}.file-hidden .file-document-heading{color:#66778b}
.file-document-heading{margin-bottom:8px}.file-version{padding:8px 0}.file-version+.file-version{border-top:1px solid var(--border,#dce3ed)}
.file-version-name strong{overflow-wrap:anywhere}.file-version-meta{font-size:12px;color:var(--muted,#617086);margin:8px 0}.file-version-note{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}
.file-tag{font-size:11px;line-height:1.5;background:#e9f1fa;color:var(--fusion-accent-ink, #315d8e);padding:3px 7px;border-radius:5px;white-space:nowrap}
.file-controls .button{font-size:12px;padding:7px 10px}.file-version-history{margin:8px 0 12px}.file-version-history>summary,.file-settings>summary,.file-permission-user>summary{cursor:pointer;font-size:13px;font-weight:600;padding:8px 0}
.file-upload-form{display:grid;grid-template-columns:minmax(120px,160px) minmax(200px,1fr) minmax(180px,1fr);gap:12px;background:#f5f8fc;padding:12px;border-radius:10px}
.file-upload-form>h4,.file-upload-form>.field-help{grid-column:1/-1;margin:0}.file-field{display:flex;gap:7px;flex-direction:column;font-size:13px}.file-field input:not([type=checkbox]),.file-field select{width:100%;min-height:36px;border:1px solid var(--border,#cad5e3);border-radius:7px;background:white;color:inherit;padding:7px;box-sizing:border-box;font:inherit}
.file-sharing-status{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px;padding:10px 12px;background:#edf4fb;border-radius:8px}.file-sharing-status>.field-help{margin:0;flex:1;min-width:180px}.file-sharing-status>.button{font-size:12px;white-space:nowrap}.file-upload-blocked{color:var(--muted,#617086)}.file-upload-form :disabled{cursor:not-allowed;opacity:.65}
.file-field input[type=file]{font-size:12px}.file-field input[type=checkbox]{accent-color:var(--fusion-accent-ink, #315d8e)}.file-selected-name{display:block;font-size:12px;overflow-wrap:anywhere;margin-top:7px;color:var(--muted,#617086)}
.file-notice{font-size:13px;border-radius:7px;padding:10px;background:#edf4fb;white-space:pre-wrap}.file-error{color:#9d3333;background:#fff2f0;padding:10px;border-radius:7px}
.file-settings{margin-top:16px;border-top:1px solid var(--border,#dce3ed);padding-top:8px}.file-user-choices{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.file-user-choices .file-field,.file-permission-row .file-field{flex-direction:row;align-items:center}.file-permission-user{border-bottom:1px solid var(--border,#dce3ed);padding:8px 0}.file-permission-row{margin:10px 0}.file-permission-row strong{min-width:110px;font-size:13px}.file-record-filters{margin:16px 0}.file-record-filters .file-field{flex:1;min-width:160px}
@media(max-width:720px){.project-files{padding:14px}.file-columns{grid-template-columns:minmax(0,1fr)}.file-upload-form{grid-template-columns:1fr}.file-upload-form>.button{width:100%}.file-controls .button{min-height:36px}.file-permission-row strong{min-width:95px}}

.file-help{margin-top:12px;padding-top:8px;border-top:1px solid var(--border,#dce3ed);color:var(--muted,#617086)}
.file-help>summary{cursor:pointer;padding:8px 0;font-weight:600}
.file-help>p{margin:8px 0;line-height:1.6}
.project-files summary,.project-files button{touch-action:manipulation}
.project-files button:focus-visible,.project-files summary:focus-visible,.project-files input:focus-visible,.project-files select:focus-visible{outline:3px solid #90b9ef;outline-offset:2px}
.file-version-name,.file-version-meta{font-variant-numeric:tabular-nums}
.file-document-heading,.file-version-name,.file-controls{min-width:0}
.file-version-more>summary{cursor:pointer;font-size:12px;padding:7px 3px;color:var(--muted,#617086)}.file-version-more[open]{width:100%}.file-version-more .button{margin:4px 4px 0 0;max-width:100%;white-space:normal}.file-target-summary{line-height:1.6;color:var(--text,#233650)}
@media(max-width:720px){.project-files{padding:16px}.file-help>summary{min-height:40px;box-sizing:border-box}}

@media(min-width:901px){
 .project-files{--surface:var(--white);--border:var(--line);--text:var(--ink);border-radius:8px;padding:16px;box-shadow:none}
 .project-files .file-document,.project-files .file-upload-form{border-radius:6px;border-color:var(--line)}
 .project-files .file-field{font-size:14px;color:var(--ink)}
 .project-files .file-field input:not([type=checkbox]),.project-files .file-field select{min-height:40px;font-size:14px;color:var(--ink);border-color:#ccd7e3}
 .project-files .file-version-meta,.project-files .file-tag,.project-files .file-selected-name{font-size:12px;color:var(--muted)}
 .project-files .file-help,.project-files .field-help,.project-files .file-version-note{font-size:13px;line-height:1.6;color:var(--muted)}
 .project-files .file-controls .button{font-size:13px;min-height:36px}
}