:root {
  --bg: #e9f1fa;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #183047;
  --muted: #5d7390;
  --line: rgba(24, 48, 71, 0.1);
  --accent: #1d6fb8;
  --accent-strong: #124f88;
  --accent-soft: #d9eaf9;
  --danger: #b53b3b;
  --shadow: 0 18px 40px rgba(27, 70, 117, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 111, 184, 0.24), transparent 28%),
    radial-gradient(circle at top right, rgba(58, 148, 217, 0.16), transparent 24%),
    linear-gradient(180deg, #f5f9fe 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.portal-shell {
  min-height: 100vh;
  padding: 20px;
}

.login-shell {
  display: grid;
  place-items: center;
}

.login-card,
.panel {
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-card {
  width: min(100%, 440px);
  padding: 28px;
}

.brand-block h1,
.panel-head h2,
.topbar h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.eyebrow,
.summary-label,
.sample-meta dt {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.lede,
.empty-state,
.empty-inline,
.sample-head p,
.report-date,
.report-meta {
  color: var(--muted);
}

.stack-form {
  display: grid;
  gap: 16px;
}

.search-form {
  margin-bottom: 16px;
}

.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.filter-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.date-filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.date-filters label {
  display: grid;
  gap: 6px;
}

.date-filters span {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
}

.stack-form label {
  display: grid;
  gap: 8px;
}

.stack-form span {
  font-size: 0.92rem;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.88);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--accent-strong);
  border: 1px solid var(--line);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 360px minmax(0, 1fr);
}

.panel {
  padding: 20px;
}

.panel-detail {
  min-width: 0;
  outline: none;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.report-list,
.sample-stack {
  display: grid;
  gap: 12px;
}

.list-actions,
.list-progress {
  margin-top: 14px;
}

.hidden {
  display: none !important;
}

.report-card,
.sample-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.report-card.active {
  border-color: rgba(27, 107, 87, 0.35);
  box-shadow: inset 0 0 0 1px rgba(27, 107, 87, 0.18);
}

.report-ref {
  font-size: 1rem;
  font-weight: 800;
}

.report-point {
  font-size: 0.92rem;
  color: var(--text);
}

.report-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.report-summary > div {
  padding: 14px;
  border-radius: 18px;
  background: var(--accent-soft);
}

.sample-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.sample-head h3 {
  margin: 0;
  font-size: 1rem;
}

.sample-head p {
  margin: 4px 0 0;
}

.sample-date {
  white-space: nowrap;
  font-size: 0.9rem;
  color: var(--accent-strong);
}

.sample-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.sample-meta div {
  padding: 12px;
  border-radius: 14px;
  background: #f7f8f6;
}

.sample-meta dd {
  margin: 0;
  font-weight: 600;
}

.results-table-wrap {
  overflow-x: auto;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
}

.results-table th,
.results-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.results-table th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.unit {
  margin-left: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.is-pending strong {
  color: var(--muted);
  font-weight: 700;
}

.alert {
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

.alert-error {
  background: rgba(181, 59, 59, 0.1);
  color: var(--danger);
}

.empty-state,
.empty-inline {
  margin: 0;
  padding: 14px 0;
}

@media (max-width: 980px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .report-summary,
  .sample-meta,
  .date-filters {
    grid-template-columns: 1fr;
  }
}