.admin-stage { width: min(1180px, calc(100% - 32px)); margin: 0 auto; flex: 1; }
.admin-grid, .admin-card { min-width: 0; max-width: 100%; }
.login-card { width: min(430px, 100%); padding: 38px; }
.login-card h1 { color: var(--navy); font-size: 30px; margin: 10px 0 8px; }
.admin-nav .radio { margin: 8px 0; }
.admin-nav .btn-block { margin-top: 10px; }
.generated-link { margin-top: 22px; padding: 18px; border-radius: 12px; background: rgba(245,179,53,.13); border: 1px solid rgba(233,138,0,.3); }
.generated-link .form-control { margin-top: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.generated-link-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }
.copy-link-button { min-width: 128px; white-space: nowrap; }
.password-panel { width: min(560px, 100%); padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: #FAFBFD; }
.password-panel .form-group { margin-bottom: 18px; }
.password-guidance { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: -2px 0 22px; color: var(--muted); font-size: 12px; }
.password-guidance span { position: relative; padding-left: 14px; }
.password-guidance span::before { content: ""; position: absolute; left: 0; top: .48em; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.empty-state { padding: 28px; text-align: center; color: var(--muted); background: var(--paper); border-radius: 12px; }
.admin-card hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.form-row-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.result-summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 22px 0; }
.summary-item { min-height: 86px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #FAFBFD; }
.summary-item span, .summary-item strong { display: block; }
.summary-item span { margin-bottom: 6px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.summary-item strong { color: var(--navy); font-size: 16px; }
.btn-compact { min-height: 36px; padding: 8px 11px; border-radius: 8px; font-size: 12px; white-space: nowrap; }
.btn-danger { background: #9F3A38; color: #fff; }
.btn-danger:hover, .btn-danger:focus { background: #7F2E2C; color: #fff; }
.participant-list { display: grid; gap: 9px; }
.participant-row { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(210px, 1.25fr) auto; gap: 16px; align-items: center; padding: 15px 16px; border: 1px solid var(--line); border-radius: 12px; background: #FBFCFE; }
.participant-main strong, .participant-main span, .participant-meta span { display: block; }
.participant-main strong { color: var(--navy); font-size: 14px; }
.participant-main span, .participant-meta span { margin-top: 3px; color: var(--muted); font-size: 12px; }
.participant-meta span:first-child { color: var(--blue); font-weight: 700; }
.participant-actions { display: flex; gap: 7px; justify-content: flex-end; flex-wrap: wrap; }
.catalog-transfer { display: grid; grid-template-columns: 1fr; gap: 13px; margin-bottom: 18px; padding: 16px; border: 1px solid rgba(40,67,131,.2); border-left: 4px solid var(--orange); border-radius: 12px; background: #F8FAFD; }
.catalog-transfer-copy strong, .catalog-transfer-copy span { display: block; }
.catalog-transfer-copy strong { color: var(--navy); font-size: 14px; }
.catalog-transfer-copy span { margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.catalog-transfer-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; width: min(560px, 100%); align-items: stretch; }
.catalog-transfer-actions > * { min-width: 0; max-width: 100%; }
.catalog-transfer-actions > .btn { width: 100%; }
.catalog-transfer-actions .form-group { width: 100%; min-width: 0; margin: 0; }
.catalog-transfer-actions .input-group { display: grid; grid-template-columns: minmax(170px, auto) minmax(0, 1fr); width: 100%; overflow: hidden; border: 1px solid #C7CEDA; border-radius: 9px; background: #F1F3F6; box-shadow: inset 0 1px 2px rgba(16,31,61,.05); }
.catalog-transfer-actions .input-group-btn { width: auto; min-width: 0; }
.catalog-transfer-actions .btn { min-height: 42px; padding: 11px 16px; font-size: 12px; white-space: nowrap; }
.catalog-transfer-actions .btn-file { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; border: 0; border-right: 1px solid #C7CEDA; border-radius: 0; background: #fff; color: var(--navy); font-weight: 800; }
.catalog-transfer-actions .btn-file:hover, .catalog-transfer-actions .btn-file:focus { background: #E9EEF7; color: var(--blue); }
.catalog-transfer-actions .input-group > .form-control { width: 100%; min-width: 0; height: 42px; margin: 0; padding: 10px 13px; overflow: hidden; border: 0; border-radius: 0; background: #F1F3F6; color: #626D7F; box-shadow: none; text-overflow: ellipsis; white-space: nowrap; }
.catalog-transfer-actions .shiny-file-input-progress { margin: 6px 0 0; }
.question-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, .45fr); gap: 14px; margin-bottom: 16px; }
.question-workspace { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.55fr); gap: 18px; align-items: start; }
.question-library { max-height: 690px; overflow-y: auto; padding: 7px; border: 1px solid var(--line); border-radius: 13px; background: #F5F7FA; scrollbar-width: thin; }
.question-list { display: grid; gap: 6px; }
.question-list-item { width: 100%; padding: 12px; border: 1px solid transparent; border-radius: 9px; background: transparent; text-align: left; cursor: pointer; transition: background .15s ease, border-color .15s ease; }
.question-list-item:hover { border-color: #CBD4E2; background: #fff; }
.question-list-item.selected { border-color: var(--navy); background: var(--navy); box-shadow: 0 7px 16px rgba(16,31,61,.15); }
.question-list-top { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; color: var(--muted); font-size: 10px; }
.question-list-top code { overflow: hidden; color: var(--blue); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.question-list-item.selected .question-list-top, .question-list-item.selected .question-list-top code { color: #DDE5F5; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #A9B2C1; }
.status-dot.active { background: var(--orange); }
.question-list-prompt { display: -webkit-box; margin-top: 7px; overflow: hidden; color: var(--ink); font-size: 12px; font-weight: 650; line-height: 1.38; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.question-list-item.selected .question-list-prompt { color: #fff; }
.question-editor-panel { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.empty-state.compact { padding: 18px 12px; font-size: 12px; }
@media (max-width: 820px) { .admin-stage { width: min(calc(100% - 22px), 720px); } }
@media (max-width: 960px) {
  .participant-row { grid-template-columns: 1fr; }
  .participant-actions { justify-content: flex-start; }
  .question-workspace { grid-template-columns: 1fr; }
  .question-library { max-height: 330px; }
}
@media (max-width: 620px) { .form-row-three, .result-summary-grid, .question-toolbar { grid-template-columns: 1fr; } }
@media (max-width: 520px) {
  .generated-link-row { grid-template-columns: 1fr; }
  .copy-link-button { width: 100%; }
  .catalog-transfer-actions .input-group { grid-template-columns: 1fr; }
  .catalog-transfer-actions .btn-file { min-height: 42px; border-right: 0; border-bottom: 1px solid #C7CEDA; }
  .catalog-transfer-actions .input-group > .form-control { text-align: center; }
  .password-panel { padding: 18px; }
}