/*
 * NableU maintainer note
 * Purpose: Defines presentation rules for support sessions. Keep selectors scoped to the owning experience and preserve accessibility states such as focus, contrast and reduced-motion behaviour.
 */

.support-session-dialog {
  width: min(920px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 0;
  border: 1px solid var(--border-medium);
  background: var(--surface);
  color: var(--text-main);
}

.support-session-dialog::backdrop {
  background: rgb(0 0 0 / 65%);
}

.support-session-dialog-shell {
  max-height: calc(100vh - 24px);
  padding: 24px;
  overflow: auto;
}

.support-session-dialog-shell > header {
  position: sticky;
  top: -24px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 14px;
  border-bottom: 1px solid var(--border-medium);
  background: var(--surface);
}

.support-session-dialog-shell h2,
.support-session-dialog-shell h3,
.support-session-dialog-shell p {
  margin-top: 0;
}

.external-agreement-list,
.canonical-session-list {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.external-agreement-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.external-agreement-facts > div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--border-medium);
  background: var(--surface-soft);
}

.external-agreement-facts dt {
  font-weight: 700;
}

.external-agreement-facts dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.external-agreement-upload,
.support-session-proposal-form,
.agreement-prerequisite {
  display: grid;
  gap: 12px;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--accent);
  background: var(--surface-soft);
}

.external-agreement-upload label,
.support-session-proposal-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.support-session-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.recognition-confirmation {
  padding: 12px;
  border: 2px solid var(--warning);
  background: var(--surface);
}

.recognition-confirmation small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.canonical-session-card .session-box {
  display: grid;
  gap: 5px;
}

.change-boundary {
  padding: 10px 12px;
  border-left: 4px solid var(--warning);
  background: var(--surface-soft);
}

.support-session-conversation-projection {
  margin-bottom: 20px;
  border-left: 4px solid var(--accent);
}

@media (max-width: 680px) {
  .support-session-dialog-shell {
    padding: 16px;
  }

  .support-session-dialog-shell > header {
    top: -16px;
  }

  .support-session-form-grid,
  .external-agreement-facts {
    grid-template-columns: 1fr;
  }
}