:root {
  --alpha-ink: #17232b;
  --alpha-muted: #5d6b73;
  --alpha-line: #d8e0df;
  --alpha-surface: #ffffff;
  --alpha-page: #eef3f1;
  --alpha-blue: #2463a6;
  --alpha-teal: #0a7f83;
  --alpha-green: #22734d;
  --alpha-amber: #a66200;
  --alpha-red: #aa3030;
  --alpha-violet: #6546a0;
}

body[data-page="alpha"] {
  margin: 0;
  background: var(--alpha-page);
  color: var(--alpha-ink);
}

.alpha-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.alpha-sidebar {
  display: grid;
  align-content: start;
  gap: 1rem;
  border-right: 1px solid var(--alpha-line);
  background: #16232a;
  color: #fff;
  padding: 1rem;
}

.alpha-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-weight: 900;
  text-decoration: none;
}

.alpha-brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.74);
  border-radius: 8px;
  font-size: 0.9rem;
}

.alpha-kicker {
  margin: 0 0 0.35rem;
  color: #9bd9d5;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.alpha-sidebar h1,
.alpha-topbar h2,
.alpha-card h3,
.alpha-panel-title {
  margin: 0;
  letter-spacing: 0;
}

.alpha-sidebar h1 {
  color: #fff;
  font-size: 2.1rem;
  line-height: 1;
}

.alpha-boundary {
  margin: 0.65rem 0 0;
  color: #e5eeee;
  font-size: 0.94rem;
}

.alpha-persona-tabs {
  display: grid;
  gap: 0.5rem;
}

.alpha-persona-tab {
  display: grid;
  gap: 0.25rem;
  width: 100%;
  min-height: 68px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 5px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  padding: 0.7rem;
  text-align: left;
  cursor: pointer;
}

.alpha-persona-tab[aria-selected="true"] {
  border-left-color: #d9a441;
  background: rgba(255, 255, 255, 0.14);
}

.alpha-persona-tab strong {
  font-size: 0.96rem;
}

.alpha-persona-tab span {
  color: #d9e7e5;
  font-size: 0.78rem;
}

.alpha-workspace {
  display: grid;
  align-content: start;
  gap: 1rem;
  min-width: 0;
  padding: 1rem;
}

.alpha-topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--alpha-line);
  border-radius: 8px;
  background: var(--alpha-surface);
  padding: 1rem;
}

.alpha-topbar h2 {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
}

.alpha-topbar-actions,
.alpha-actions,
.alpha-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.alpha-button {
  min-height: 42px;
  border: 1px solid #becbca;
  border-radius: 8px;
  background: #fff;
  color: var(--alpha-ink);
  padding: 0.55rem 0.78rem;
  font-weight: 900;
  cursor: pointer;
}

.alpha-button:hover,
.alpha-button:focus-visible {
  border-color: var(--alpha-teal);
  background: #eef8f7;
}

.alpha-button-primary {
  border-color: var(--alpha-blue);
  background: var(--alpha-blue);
  color: #fff;
}

.alpha-button-danger {
  border-color: rgba(170, 48, 48, 0.5);
  color: var(--alpha-red);
}

.alpha-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.alpha-status-line {
  border: 1px solid var(--alpha-line);
  border-left: 6px solid var(--alpha-teal);
  border-radius: 8px;
  background: #fff;
  padding: 0.75rem 0.9rem;
  color: var(--alpha-muted);
  font-weight: 800;
}

.alpha-status-line.error {
  border-left-color: var(--alpha-red);
  background: #fff7f5;
  color: var(--alpha-red);
}

.alpha-status-line.success {
  border-left-color: var(--alpha-green);
  background: #f1faf4;
  color: var(--alpha-green);
}

.alpha-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.75fr);
  gap: 1rem;
  align-items: start;
}

.alpha-column {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.alpha-card,
.alpha-table,
.alpha-form-panel {
  display: grid;
  gap: 0.85rem;
  border: 1px solid var(--alpha-line);
  border-radius: 8px;
  background: var(--alpha-surface);
  padding: 1rem;
}

.alpha-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.alpha-metric {
  display: grid;
  gap: 0.2rem;
  min-height: 94px;
  border: 1px solid var(--alpha-line);
  border-left: 5px solid var(--alpha-blue);
  border-radius: 8px;
  background: #fff;
  padding: 0.78rem;
}

.alpha-metric:nth-child(2) {
  border-left-color: var(--alpha-amber);
}

.alpha-metric:nth-child(3) {
  border-left-color: var(--alpha-green);
}

.alpha-metric:nth-child(4) {
  border-left-color: var(--alpha-violet);
}

.alpha-metric strong {
  font-size: 1.85rem;
  line-height: 1;
}

.alpha-metric span,
.alpha-small-label {
  color: var(--alpha-muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.alpha-status-pill,
.alpha-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  border: 1px solid #c7d3d2;
  border-radius: 999px;
  background: #f6f8f8;
  color: var(--alpha-ink);
  padding: 0.26rem 0.54rem;
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.1;
}

.status-submitted {
  border-color: rgba(36, 99, 166, 0.4);
  background: #edf5ff;
  color: var(--alpha-blue);
}

.status-revision_requested,
.status-conflict_needs_resolution {
  border-color: rgba(166, 98, 0, 0.4);
  background: #fff4df;
  color: var(--alpha-amber);
}

.status-approved,
.status-held,
.status-queued {
  border-color: rgba(34, 115, 77, 0.4);
  background: #edf8f1;
  color: var(--alpha-green);
}

.status-blocked {
  border-color: rgba(170, 48, 48, 0.42);
  background: #fff0ef;
  color: var(--alpha-red);
}

.alpha-section-list,
.alpha-evidence-list,
.alpha-audit-list,
.alpha-review-list {
  display: grid;
  gap: 0.55rem;
}

.alpha-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
  border: 1px solid var(--alpha-line);
  border-radius: 8px;
  background: #fbfdfd;
  padding: 0.7rem;
}

.alpha-row p,
.alpha-card p,
.alpha-form-panel p {
  margin: 0;
  color: var(--alpha-muted);
}

.alpha-row strong {
  display: block;
}

.alpha-audit-list .alpha-row {
  grid-template-columns: auto minmax(0, 1fr);
}

.alpha-audit-time {
  color: var(--alpha-muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.alpha-form {
  display: grid;
  gap: 0.65rem;
}

.alpha-form label {
  display: grid;
  gap: 0.28rem;
  color: var(--alpha-muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.alpha-form input {
  min-height: 42px;
  border: 1px solid #c7d3d2;
  border-radius: 8px;
  padding: 0.58rem 0.7rem;
  color: var(--alpha-ink);
}

.alpha-denied {
  border-left: 6px solid var(--alpha-red);
}

.alpha-empty {
  border: 1px dashed #b4c3c2;
  border-radius: 8px;
  background: #f8fbfb;
  padding: 0.85rem;
  color: var(--alpha-muted);
}

@media (max-width: 960px) {
  .alpha-shell,
  .alpha-grid {
    grid-template-columns: 1fr;
  }

  .alpha-sidebar {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .alpha-persona-tabs,
  .alpha-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .alpha-workspace,
  .alpha-sidebar {
    padding: 0.75rem;
  }

  .alpha-topbar,
  .alpha-row {
    grid-template-columns: 1fr;
  }

  .alpha-topbar {
    display: grid;
    align-items: start;
  }

  .alpha-persona-tabs,
  .alpha-metrics {
    grid-template-columns: 1fr;
  }

  .alpha-button,
  .alpha-topbar-actions,
  .alpha-actions {
    width: 100%;
  }
}