.research-survey[hidden], :is(.research-survey, .research-survey-dialog) [hidden] { display: none !important; }
.research-survey { border-top: 3px solid var(--accent); }
.research-survey h2 { margin-bottom: .25rem; font-size: 1rem; }
.research-survey .survey-offer-description { margin: .25rem 0 .65rem; font-size: .84rem; color: var(--muted); }
.research-survey-dialog { position: fixed; inset: 0; width: min(860px, calc(100vw - 2rem)); max-width: none; max-height: calc(100vh - 2rem); max-height: calc(100dvh - 2rem); margin: auto; padding: 0; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); box-shadow: 0 20px 70px #0005; }
.research-survey-dialog:not([open]) { display: none; }
.research-survey-dialog::backdrop { background: #080c18a6; }
.survey-modal-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line); background: var(--panel); }
.survey-modal-header h2 { margin: 0; font-size: 1rem; }
.survey-modal-header .survey-close { flex-shrink: 0; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--ink); font-size: 1.6rem; line-height: 1; cursor: pointer; }
.survey-modal-content { padding: 0 1.1rem 1.2rem; }
.survey-inline-fallback { margin-top: 1rem; border: 1px solid var(--line); border-radius: 8px; }
.survey-inline-fallback .survey-modal-header { position: static; }
:is(.research-survey, .research-survey-dialog) .survey-compact-privacy { color: var(--muted); font-size: .86rem; line-height: 1.6; }
:is(.research-survey, .research-survey-dialog) .survey-intro { font-size: .94rem; }
:is(.research-survey, .research-survey-dialog) .survey-disclosure { max-width: 950px; color: var(--muted); font-size: .84rem; line-height: 1.6; }
:is(.research-survey, .research-survey-dialog) .survey-disclosure p { margin: .55rem 0; }
:is(.research-survey, .research-survey-dialog) .survey-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin-top: 1rem; }
:is(.research-survey, .research-survey-dialog) .survey-status { margin: .75rem 0 0; color: var(--muted); font-size: .86rem; }
:is(.research-survey, .research-survey-dialog) .survey-error { color: var(--err); }
:is(.research-survey, .research-survey-dialog) .survey-section { min-width: 0; margin: 1.4rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 8px; }
:is(.research-survey, .research-survey-dialog) .survey-section legend { font-size: .95rem; font-weight: 650; padding: 0 .4rem; }
:is(.research-survey, .research-survey-dialog) .survey-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.25rem; }
:is(.research-survey, .research-survey-dialog) .survey-question { display: flex; flex-direction: column; gap: .4rem; font-size: .85rem; font-weight: 600; }
:is(.research-survey, .research-survey-dialog) .survey-question select { width: 100%; min-height: 2.7rem; font: inherit; font-weight: 400; padding: .55rem; }
:is(.research-survey, .research-survey-dialog) .survey-question small { color: var(--muted); font-size: .76rem; font-weight: 400; }
:is(.research-survey, .research-survey-dialog) .survey-confirmations { display: grid; gap: .9rem; padding: 1rem; background: var(--bg); border-radius: 8px; }
:is(.research-survey, .research-survey-dialog) .survey-confirmations .chk { display: flex; align-items: start; gap: .6rem; font-size: .85rem; }
:is(.research-survey, .research-survey-dialog) .survey-confirmations input { flex-shrink: 0; margin-top: .25rem; }
:is(.research-survey, .research-survey-dialog) :is(button, select, input):focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
:is(.research-survey, .research-survey-dialog) button:disabled { cursor: wait; opacity: .6; }
@media (max-width: 640px) {
  .research-survey-dialog { width: calc(100vw - 1rem); max-height: calc(100vh - 1rem); max-height: calc(100dvh - 1rem); }
  .survey-modal-header { padding: .65rem .8rem; }
  .survey-modal-content { padding: 0 .8rem 1rem; }
  :is(.research-survey, .research-survey-dialog) .survey-grid { grid-template-columns: 1fr; }
  :is(.research-survey, .research-survey-dialog) .survey-section { padding: .8rem; }
}