:root {
  --bg: #f1eee6;
  --panel: rgba(255, 252, 247, 0.9);
  --panel-border: rgba(58, 51, 36, 0.12);
  --text: #1f2430;
  --muted: #5f6673;
  --accent: #0f5b78;
  --accent-soft: #dceaf1;
  --warn: #a3551e;
  --ok: #2d6a4f;
  --danger: #8a2d2d;
  --shadow: 0 18px 40px rgba(35, 30, 20, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 91, 120, 0.12), transparent 28%),
    linear-gradient(180deg, #f7f2e8 0%, #ece7dd 100%);
}

.shell,
.upload-shell {
  width: min(1380px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero {
  display: block;
  padding: 18px 0 12px;
}

.hero > div:first-child {
  max-width: none;
  width: 100%;
  padding-left: 8px;
  padding-right: 8px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
  font-family: "IBM Plex Serif", Georgia, serif;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  max-width: none;
}

h2 {
  font-size: 1.35rem;
}

.lede {
  margin-top: 14px;
  color: var(--muted);
  max-width: none;
  line-height: 1.7;
}

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

.panel,
.dataset-panel {
  padding: 20px;
}

.dataset-strip {
  margin-bottom: 16px;
  padding: 14px 16px;
  background: linear-gradient(160deg, rgba(15, 91, 120, 0.95), rgba(30, 52, 79, 0.92));
  color: #f8fbff;
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(35, 30, 20, 0.08);
}

.dataset-strip-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
}

.dataset-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dataset-label,
.dataset-meta {
  color: rgba(248, 251, 255, 0.82);
}

.dataset-label {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}

.dataset-name {
  margin-top: 3px;
  font-size: 0.78rem;
  line-height: 1.25;
  font-weight: 700;
  word-break: break-word;
}

.dataset-meta {
  margin-top: 6px;
  font-size: 0.68rem;
  line-height: 1.35;
}

a {
  color: var(--accent);
}

.dataset-strip .data-quality-button {
  padding: 7px 10px;
  font-size: 0.72rem;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.section-header,
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.filter-grid,
.chart-grid,
.quality-grid,
.summary-grid,
.split-layout {
  display: grid;
  gap: 16px;
}

.enterprise-chart-grid {
  margin-top: 24px;
}

.filter-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 16px 0;
}

.summary-card {
  padding: 18px;
}

.summary-card .label {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-card .value {
  margin-top: 8px;
  font-size: 2rem;
  font-weight: 700;
}

.summary-card .subtext {
  margin-top: 10px;
  color: var(--muted);
}

.split-layout {
  grid-template-columns: 1.4fr 1fr;
  margin: 16px 0;
}

.chart-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.chart-card {
  padding: 14px;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.56);
}

.bar-row {
  margin: 12px 0;
}

.bar-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.92rem;
}

.bar-track {
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: rgba(15, 91, 120, 0.12);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #d28e30, #0f5b78);
}

.quality-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.quality-card {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--panel-border);
}

.quality-card .value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: 4px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(20, 24, 32, 0.48);
  z-index: 1000;
}

.modal-card {
  width: min(920px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 20px;
  background: rgba(255, 252, 247, 0.98);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(35, 30, 20, 0.18);
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.94rem;
}

select,
input[type="search"],
input[type="file"],
button {
  font: inherit;
}

select,
input[type="search"],
input[type="file"] {
  border: 1px solid rgba(31, 36, 48, 0.14);
  border-radius: 12px;
  padding: 10px 12px;
  background: white;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

.secondary-button {
  background: white;
  color: var(--accent);
  border: 1px solid rgba(15, 91, 120, 0.28);
}

.table-wrap {
  overflow: auto;
  margin-top: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

th,
td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(31, 36, 48, 0.08);
  vertical-align: top;
}

th {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
}

.pill {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.pill.warn {
  background: rgba(163, 85, 30, 0.13);
  color: var(--warn);
}

.pill.good {
  background: rgba(45, 106, 79, 0.12);
  color: var(--ok);
}

.pill.bad {
  background: rgba(138, 45, 45, 0.12);
  color: var(--danger);
}

.metadata-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.metadata-list dt {
  font-size: 0.82rem;
  text-transform: uppercase;
  color: var(--muted);
}

.metadata-list dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.roster-wrap {
  max-height: 560px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

.roster-wrap::-webkit-scrollbar {
  height: 6px;
  width: 6px;
}

.roster-wrap::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

#roster-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.upload-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.upload-shell {
  max-width: 760px;
}

.upload-form {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.upload-status {
  min-height: 54px;
  padding: 12px 0;
}

.upload-status.error {
  color: var(--danger);
}

.upload-status.success {
  color: var(--ok);
}

@media (max-width: 980px) {
  .summary-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero > div:first-child {
    padding-left: 0;
    padding-right: 0;
  }

  .dataset-strip-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .dataset-actions {
    flex-wrap: wrap;
  }
}

@media print {
  body {
    background: white;
  }

  .upload-link,
  .filters,
  .toolbar,
  #export-filtered,
  #reset-filters {
    display: none !important;
  }

  .panel,
  .dataset-panel,
  .summary-card {
    box-shadow: none;
    background: white;
  }
}