.support-site {
  background: var(--paper);
}

.support-topbar-link {
  color: var(--cobalt);
  font-weight: 900;
}

.support-page {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 0 32px 64px;
}

.support-hero {
  min-height: 300px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  padding: 58px 0 42px;
  border-bottom: 1px solid var(--line);
}

.support-hero > div:first-child {
  max-width: 780px;
}

.support-hero h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
}

.support-hero p {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.support-hero-actions,
.support-detail-actions,
.support-manager-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.support-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.support-flow > div {
  min-height: 108px;
  display: grid;
  grid-template-columns: 42px 1fr;
  align-content: center;
  column-gap: 14px;
  padding: 22px 26px;
  border-right: 1px solid var(--line);
}

.support-flow > div:last-child {
  border-right: 0;
}

.support-flow span {
  grid-row: 1 / 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cobalt);
  color: var(--paper);
  font-weight: 800;
}

.support-flow > div:nth-child(2) span {
  background: var(--coral);
}

.support-flow > div:nth-child(3) span {
  background: var(--mint-dark);
}

.support-flow small {
  margin-top: 3px;
  color: var(--muted);
}

.support-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.65fr);
  gap: 48px;
  padding: 52px 0;
}

.support-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.support-section-head h2 {
  margin-bottom: 0;
  font-size: 28px;
}

.support-search {
  width: min(360px, 100%);
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
}

.support-search:focus-within {
  border-color: var(--cobalt);
  box-shadow: 0 0 0 3px rgb(10 87 232 / 10%);
}

.support-search input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
}

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

.support-guide-card {
  min-height: 112px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.support-guide-card:hover {
  border-color: var(--cobalt);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.support-guide-card > span:nth-child(2) {
  min-width: 0;
}

.support-guide-card strong,
.support-guide-card small {
  display: block;
}

.support-guide-card small {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.4;
}

.support-guide-icon,
.support-policy-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sky);
  color: var(--cobalt);
  font-size: 13px;
  font-weight: 900;
}

.support-guide-card:nth-child(2n) .support-guide-icon {
  background: #fff0ee;
  color: #b72f27;
}

.support-guide-card:nth-child(3n) .support-guide-icon {
  background: var(--success-surface);
  color: var(--mint-dark);
}

.support-promise {
  align-self: start;
  padding: 26px;
  border-left: 4px solid var(--sun);
  background: var(--warning-surface);
}

.support-promise .learning-disc {
  margin-bottom: 18px;
  background: var(--sun);
  color: var(--ink);
}

.support-promise h2 {
  font-size: 22px;
}

.support-promise ul {
  display: grid;
  gap: 12px;
  padding-left: 20px;
}

.support-security-note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid #ecd99d;
  color: #65521e;
  font-size: 14px;
}

.support-guide-detail {
  margin-top: 18px;
  padding: 24px;
  border: 1px solid var(--cobalt);
  border-radius: 8px;
  background: var(--sky);
}

.support-detail-head,
.support-ticket-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.support-guide-detail ol {
  display: grid;
  gap: 11px;
  padding-left: 24px;
}

.support-empty {
  grid-column: 1 / -1;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  text-align: center;
}

.support-empty p {
  margin: 6px auto 0;
  color: var(--muted);
}

.support-request-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  gap: 48px;
  margin: 0 -32px;
  padding: 54px 32px;
  background: var(--sky);
}

.support-request-copy {
  max-width: 430px;
}

.support-request-copy h2 {
  font-size: 30px;
}

.support-safety-card {
  margin-top: 26px;
  padding: 18px 0;
  border-top: 1px solid #bfd6f5;
  border-bottom: 1px solid #bfd6f5;
}

.support-safety-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.support-form-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.support-form-grid,
.support-manager-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.support-check {
  display: flex;
  align-items: start;
  gap: 12px;
  margin-top: 18px;
  cursor: pointer;
}

.support-check input {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  accent-color: var(--cobalt);
}

.support-check strong,
.support-check small {
  display: block;
}

.support-check small {
  margin-top: 3px;
  color: var(--muted);
}

.support-form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.support-form-actions > span,
.support-manager-actions > span {
  color: var(--muted);
  font-size: 13px;
}

.support-notice {
  display: flex;
  align-items: start;
  gap: 14px;
  margin-bottom: 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--cloud);
}

.support-notice.is-success {
  border-color: #9edbc7;
  background: var(--success-surface);
}

.support-notice.is-error {
  border-color: #efb4af;
  background: #fff3f1;
}

.support-notice.is-loading {
  border-color: #efcf72;
  background: var(--warning-surface);
}

.support-notice p {
  margin: 4px 0 0;
}

.support-notice-mark {
  width: 30px;
  height: 30px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--paper);
  font-weight: 900;
}

.support-auto-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #b8dfd2;
}

.support-auto-answer span,
.support-message > span,
.support-triage-summary > strong,
.support-triage-summary > div > span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.support-auto-answer p,
.support-message p,
.support-triage-summary p {
  white-space: pre-line;
}

.support-manager-page {
  width: min(1520px, 100%);
  margin: 0 auto;
  padding: 30px;
}

.support-manager-head {
  margin-bottom: 20px;
}

.support-automation-policy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 20px;
  border: 1px solid var(--line);
}

.support-automation-policy > div {
  min-height: 86px;
  display: grid;
  grid-template-columns: 42px 1fr;
  align-content: center;
  gap: 2px 12px;
  padding: 15px 18px;
  border-right: 1px solid var(--line);
}

.support-automation-policy > div:last-child {
  border-right: 0;
}

.support-policy-mark {
  grid-row: 1 / 3;
}

.support-policy-mark.is-mint {
  background: var(--success-surface);
  color: var(--mint-dark);
}

.support-policy-mark.is-sun {
  background: var(--warning-surface);
  color: #8a6200;
}

.support-policy-mark.is-coral {
  background: #fff0ee;
  color: var(--danger);
}

.support-automation-policy small {
  color: var(--muted);
}

.support-manager-workspace {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
  border: 1px solid var(--line);
}

.support-queue-panel {
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--cloud);
}

.support-queue-toolbar {
  min-height: 88px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.support-queue-toolbar .field {
  min-width: 160px;
}

.support-queue-toolbar .field select {
  min-height: 40px;
  padding: 8px 10px;
}

.support-queue-toolbar > span {
  padding-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.support-ticket-list {
  max-height: 740px;
  overflow: auto;
}

.support-ticket-row {
  width: 100%;
  display: grid;
  gap: 9px;
  padding: 17px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.support-ticket-row:hover {
  background: var(--paper);
}

.support-ticket-row.is-selected {
  box-shadow: inset 4px 0 var(--cobalt);
  background: var(--paper);
}

.support-ticket-row-top,
.support-ticket-row-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.support-ticket-row-top strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-ticket-row-top small,
.support-ticket-row > small {
  color: var(--muted);
}

.support-ticket-row-meta {
  align-items: center;
  font-size: 13px;
}

.support-priority {
  width: max-content;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--cloud);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.support-priority.is-high {
  background: var(--warning-surface);
  color: #805b00;
}

.support-priority.is-critical {
  background: #fff0ee;
  color: var(--danger);
}

.support-ticket-detail {
  min-width: 0;
  padding: 26px;
  background: var(--paper);
}

.support-ticket-detail.empty-state {
  display: grid;
  align-content: center;
}

.support-ticket-head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.support-ticket-head h2 {
  margin-bottom: 7px;
}

.support-ticket-head p {
  margin-bottom: 0;
  color: var(--muted);
}

.support-ticket-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-answered,
.status-resolved,
.status-closed {
  background: var(--success-surface);
  color: var(--mint-dark);
}

.status-in_progress,
.status-triaged,
.status-needs_review {
  background: var(--warning-surface);
  color: #755500;
}

.support-message,
.support-triage-summary {
  margin-top: 20px;
  padding: 18px;
  border-left: 3px solid var(--cobalt);
  background: var(--sky);
}

.support-message p,
.support-triage-summary p {
  margin-bottom: 0;
}

.support-triage-summary {
  border-left-color: var(--mint);
  background: var(--success-surface);
}

.support-triage-summary > div {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #bee3d6;
}

.support-diagnostics {
  margin: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.support-diagnostics summary {
  padding: 14px 0;
  color: var(--cobalt);
  font-weight: 800;
  cursor: pointer;
}

.support-diagnostics dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0 0 16px;
}

.support-diagnostics dl > div {
  min-width: 0;
}

.support-diagnostics dt {
  color: var(--muted);
  font-size: 12px;
}

.support-diagnostics dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
  font-family: Consolas, monospace;
  font-size: 13px;
}

.support-manager-form {
  padding-top: 4px;
}

.support-manager-actions {
  grid-column: 1 / -1;
  align-items: center;
}

.support-queue-loading {
  padding: 30px 18px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1080px) {
  .support-hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .support-hero-actions {
    justify-content: start;
  }

  .support-workspace,
  .support-request-section {
    grid-template-columns: 1fr;
  }

  .support-promise,
  .support-request-copy {
    max-width: none;
  }

  .support-manager-workspace {
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  }
}

@media (max-width: 760px) {
  .teacher-topbar .topbar-tools > .button {
    width: 76px;
    min-width: 76px;
    padding-inline: 6px;
    font-size: 0;
  }

  .teacher-topbar .topbar-tools > .button::before {
    content: "Ученик";
    font-size: 12px;
  }

  .support-topbar-link {
    width: 40px;
    min-width: 40px;
  }

  .support-page {
    padding: 0 18px 34px;
  }

  .support-hero {
    min-height: auto;
    padding: 34px 0 26px;
  }

  .support-hero h1 {
    font-size: 34px;
  }

  .support-hero p {
    font-size: 16px;
  }

  .support-hero-actions,
  .support-detail-actions,
  .support-form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .support-hero-actions .button,
  .support-detail-actions .button,
  .support-form-actions .button {
    width: 100%;
  }

  .support-flow {
    grid-template-columns: 1fr;
  }

  .support-flow > div {
    min-height: 88px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .support-flow > div:last-child {
    border-bottom: 0;
  }

  .support-workspace {
    gap: 28px;
    padding: 34px 0;
  }

  .support-section-head {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .support-search,
  .support-guide-list {
    width: 100%;
  }

  .support-guide-list {
    grid-template-columns: 1fr;
  }

  .support-guide-card {
    min-height: 104px;
  }

  .support-guide-detail,
  .support-promise {
    padding: 20px;
  }

  .support-request-section {
    gap: 28px;
    margin: 0 -18px;
    padding: 36px 18px;
  }

  .support-form-panel {
    padding: 20px;
  }

  .support-form-grid,
  .support-manager-form {
    grid-template-columns: 1fr;
  }

  .support-manager-page {
    padding: 18px 14px calc(92px + env(safe-area-inset-bottom));
  }

  .support-manager-head .page-head-actions {
    width: 100%;
  }

  .support-manager-head .button {
    flex: 1;
  }

  .support-automation-policy {
    grid-template-columns: 1fr;
  }

  .support-automation-policy > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .support-automation-policy > div:last-child {
    border-bottom: 0;
  }

  .support-manager-workspace {
    min-height: 0;
    grid-template-columns: 1fr;
    border: 0;
  }

  .support-queue-panel {
    border: 1px solid var(--line);
  }

  .support-ticket-list {
    max-height: 360px;
  }

  .support-ticket-detail {
    margin-top: 16px;
    padding: 20px 0;
    border-top: 1px solid var(--line);
  }

  .support-ticket-head {
    flex-direction: column;
  }

  .support-diagnostics dl {
    grid-template-columns: 1fr;
  }

  .support-manager-actions {
    grid-column: 1;
    align-items: stretch;
    flex-direction: column;
  }
}