/* V4: original Piatiminutki visual language for admin pages */
body.reference-page .ref-admin-main{padding-bottom:56px}
.ref-top-right a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
.ref-admin-heading{margin:28px 0 22px}.ref-admin-heading .ref-title{margin:10px 0 4px}
.ref-admin-heading .back{display:inline-block;color:#514d43;text-decoration:none;margin-bottom:12px;font-size:14px}
.ref-admin-main .panel.ref-admin-panel{background:#fffaf0;border:1px solid #e1d9c8;border-radius:14px;box-shadow:none;padding:24px}
.ref-admin-main h2,.ref-admin-main h3{color:#23221f}
.ref-admin-main label,.ref-edit-lesson label{display:block;color:#39372f;font-size:14px;font-weight:650;margin:12px 0 7px}
.ref-admin-main input:not([type=hidden]):not([type=checkbox]),.ref-admin-main textarea,.ref-admin-main select{box-sizing:border-box;display:block;width:100%;background:#fffef9;color:#29271f;border:1px solid #d7cdb9;border-radius:8px;padding:12px 13px;font:inherit;margin-top:7px;max-width:100%}
.ref-admin-main input[type=file]{padding:13px;border-style:dashed}
.ref-admin-main textarea{min-height:90px;resize:vertical;line-height:1.5}
.ref-admin-main .btn,.ref-admin-main button.btn{display:inline-flex;align-items:center;justify-content:center;background:#272622;color:white;border:1px solid #272622;border-radius:8px;padding:11px 15px;text-decoration:none;font-weight:650;cursor:pointer}
.ref-admin-main .btn-outline{background:transparent;color:#29271f;border-color:#c9c0ac}
.ref-admin-main .btn-small{padding:7px 10px}
.ref-admin-main .muted{color:#6d685c}
.ref-admin-main .editor-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:20px;margin:20px 0}
.ref-admin-main .panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}
.ref-admin-main .material-days.ref-material-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-top:20px}
.ref-admin-main .ref-day-edit{min-height:70px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;background:#f8e6ac;color:#27241e;border:1px solid #d9c58d;text-decoration:none;border-radius:8px;padding:10px}
.ref-day-edit strong{font-size:20px}.ref-day-edit small{font-size:11px;opacity:.7}
.ref-edit-lesson{padding:30px}.ref-edit-lesson .ref-edit-form>label{margin-bottom:16px}
.ref-edit-task{margin:18px 0}.ref-edit-task label{margin:8px 0 0}
.ref-edit-optional{margin:18px 0;background:#fff8e5;border:1px solid #e4d4a6;padding:12px;border-radius:8px}.ref-edit-optional summary{cursor:pointer}
.ref-edit-section-title{margin-top:28px}.ref-edit-questions{display:grid;gap:12px;margin-top:18px}
.ref-edit-question{background:#fffdf5;border:1px solid #e0d0a6;border-radius:10px;padding:18px}
.ref-edit-question-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.ref-edit-lesson .ref-checkbox{display:flex;align-items:center;gap:8px;font-weight:400}
.ref-edit-lesson .ref-checkbox input{width:auto!important;margin:0!important}
.ref-edit-lesson .ref-save{background:#272622;color:white;border-color:#272622;margin-top:8px;cursor:pointer}
.ref-admin-main .tablewrap{overflow-x:auto}.ref-admin-main table{width:100%;border-collapse:collapse}.ref-admin-main th,.ref-admin-main td{text-align:left;padding:11px;border-bottom:1px solid #e3dbca}
.ref-admin-main .chips{display:flex;flex-wrap:wrap;gap:7px}.ref-admin-main .chip{border:1px solid #d1c7b4;border-radius:20px;background:#fff9eb;padding:7px 10px;cursor:pointer}.ref-admin-main .chip.selected{background:#f7e6ad}
.ref-admin-main .user-block{padding:14px 0;border-bottom:1px solid #e3dbca}.ref-admin-main .user-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}.ref-admin-main .user-avatar{width:36px;height:36px;border-radius:50%;background:#f5e0a1;display:grid;place-items:center}
.ref-admin-main .import-ok{background:#e8f6e8;padding:12px;border-radius:8px}.ref-admin-main .import-error{background:#fde9e6;padding:12px;border-radius:8px}.ref-admin-main .import-preview{margin-top:20px;padding:18px;background:#f9e6ac;border-radius:10px}
@media(max-width:680px){.ref-admin-main .material-days.ref-material-days{grid-template-columns:repeat(4,minmax(0,1fr))}.ref-edit-lesson{padding:18px}.ref-admin-main .panel.ref-admin-panel{padding:16px!important}.ref-top-right{font-size:10px}}