.admin-shell {
  width: min(100%, 1440px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) clamp(18px, 4vw, 52px) max(32px, env(safe-area-inset-bottom));
}

.admin-header {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.admin-main {
  padding-block: clamp(28px, 5vw, 64px);
}

.admin-login {
  width: min(100%, 480px);
  margin: min(12vh, 100px) auto 0;
}

.admin-login h1,
.dashboard-heading h1 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.admin-login h1 {
  font-size: clamp(2.4rem, 7vw, 4.8rem);
}

.admin-login > p {
  color: var(--muted);
}

.admin-login form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.dashboard {
  display: grid;
  gap: clamp(34px, 6vw, 70px);
}

.session-directory {
  display: grid;
  gap: 16px;
  padding-block: 22px;
  border-block: 1px solid var(--line);
}

.session-directory-heading,
.session-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.session-directory-heading .eyebrow {
  margin: 0 0 3px;
}

.session-directory-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.045em;
}

.session-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 10px;
}

.session-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.session-card:hover,
.session-card:active {
  border-color: var(--muted);
  background: var(--surface-strong);
}

.session-card[aria-current="true"] {
  border-color: var(--accent-ink);
  box-shadow: inset 4px 0 0 var(--accent);
}

.session-card-top strong {
  overflow: hidden;
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-card-top span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.session-card-counts,
.session-card-date,
.session-list-loading {
  color: var(--muted);
  font-size: 0.8rem;
}

.session-list-loading {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-control);
  text-align: center;
}

.dashboard-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
}

.dashboard-heading h1 {
  font-size: clamp(2.8rem, 7vw, 6.5rem);
}

.dashboard-subtitle {
  margin: 14px 0 0;
  color: var(--muted);
}

.live-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.live-state::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success);
}

.live-state.is-offline::before {
  background: var(--danger);
}

.dashboard-controls {
  display: grid;
  gap: 12px;
  min-width: min(100%, 360px);
}

.session-control {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.session-control input {
  min-width: 0;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  padding: 11px 13px;
}

.session-control button {
  padding-inline: 18px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.admin-actions a,
.admin-actions button {
  color: var(--ink);
  font-weight: 700;
}

.admin-actions a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.workshop-qr {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  padding: 12px;
}

.workshop-qr img {
  width: 112px;
  height: 112px;
  border-radius: 8px;
  background: #f3f4ef;
}

.workshop-qr a {
  color: var(--muted);
  font-size: 0.86rem;
}

.qr-details {
  display: grid;
  justify-items: start;
  gap: 5px;
}

.workshop-qr .qr-download {
  margin-top: 5px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--background);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.danger-action {
  border: 0;
  background: transparent;
  color: var(--danger) !important;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  min-width: 0;
  padding: 24px clamp(10px, 2vw, 28px);
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4.4rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.dashboard-section {
  display: grid;
  gap: 18px;
}

.dashboard-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  letter-spacing: -0.045em;
}

.attempt-list {
  display: grid;
  gap: 10px;
}

.attempt-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  overflow: hidden;
}

.attempt-row summary {
  display: grid;
  grid-template-columns: minmax(150px, 1.5fr) repeat(4, minmax(80px, 0.7fr));
  gap: 16px;
  align-items: center;
  min-height: 64px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
}

.attempt-row summary::-webkit-details-marker {
  display: none;
}

.participant-name {
  font-weight: 800;
}

.attempt-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.status-label {
  width: fit-content;
  border-radius: 999px;
  background: var(--surface-strong);
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.status-label[data-status="completed"] {
  background: var(--success-surface);
  color: var(--success);
}

.status-label[data-status="abandoned"] {
  background: var(--danger-surface);
  color: var(--danger);
}

.attempt-detail {
  border-top: 1px solid var(--line);
  padding: 12px 18px 18px;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.answer-correct {
  color: var(--success);
  font-weight: 800;
}

.answer-wrong {
  color: var(--danger);
  font-weight: 800;
}

.empty-dashboard {
  border: 1px dashed var(--line);
  border-radius: var(--radius-panel);
  padding: clamp(28px, 6vw, 60px);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .dashboard-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .dashboard-controls {
    width: 100%;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(2n) {
    border-right: 0;
  }

  .metric:last-child {
    grid-column: 1 / -1;
    border-bottom: 0;
  }

  .attempt-row summary {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .admin-shell {
    padding-inline: 14px;
  }

  .admin-header span {
    display: none;
  }

  .session-control {
    grid-template-columns: 1fr;
  }

  .workshop-qr {
    grid-template-columns: 96px 1fr;
  }

  .workshop-qr img {
    width: 96px;
    height: 96px;
  }

  .attempt-row summary {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .data-table {
    min-width: 680px;
  }
}