:root {
  --bg-a: #f8f7f3;
  --bg-b: #eef2f7;
  --ink: #17212f;
  --subtle: #5b6470;
  --card: rgba(255, 255, 255, 0.74);
  --line: rgba(23, 33, 47, 0.12);
  --accent: #146c8c;
  --accent-2: #d96a21;
  --ok: #1f8a45;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans JP", sans-serif;
  background: linear-gradient(130deg, var(--bg-a), var(--bg-b));
  min-height: 100vh;
}

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1000px 400px at 5% -10%, rgba(20, 108, 140, 0.16), transparent),
    radial-gradient(700px 360px at 95% 5%, rgba(217, 106, 33, 0.12), transparent);
  pointer-events: none;
}

.layout {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hero h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: 0.02em;
}

.hero p {
  margin: 8px 0 0;
  color: var(--subtle);
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(6px);
  box-shadow: 0 14px 35px rgba(23, 33, 47, 0.06);
  padding: 14px;
}

.control-panel {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.nav-panel {
  margin-top: 12px;
}

.global-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.global-nav .nav-tab {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  padding: 8px 12px;
  font-weight: 600;
}

.global-nav .nav-tab.is-active {
  color: white;
  border-color: rgba(26, 78, 144, 0.4);
  background: linear-gradient(145deg, #1a4e90, #146c8c);
}

.view-section {
  display: none;
  margin-top: 14px;
}

.view-section.is-active {
  display: block;
}

.view-section .panel + .panel {
  margin-top: 12px;
}

.controls,
.upload {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
}

label {
  font-size: 0.82rem;
  color: var(--subtle);
  display: grid;
  gap: 4px;
}

input,
select,
button {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

button {
  cursor: pointer;
  color: white;
  background: linear-gradient(145deg, var(--accent), #1a4e90);
}

button#reload {
  background: linear-gradient(145deg, var(--accent-2), #a74a17);
}

.kpis {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.kpi {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
}

.kpi h3 {
  margin: 0;
  font-size: 0.82rem;
  color: var(--subtle);
  font-weight: 500;
}

.kpi p {
  margin: 8px 0 0;
  font-size: 1.45rem;
  font-family: "Space Grotesk", sans-serif;
}

.source-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.source-card {
  padding: 16px;
}

.source-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.source-header h2 {
  margin-bottom: 0;
}

.source-badge {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
  letter-spacing: 0.02em;
}

.source-kaipoke {
  border-color: rgba(26, 78, 144, 0.3);
  background: linear-gradient(160deg, rgba(26, 78, 144, 0.08), rgba(255, 255, 255, 0.82));
}

.source-kaipoke .source-badge {
  color: #1a4e90;
}

.source-caretree {
  border-color: rgba(31, 138, 69, 0.32);
  background: linear-gradient(160deg, rgba(31, 138, 69, 0.1), rgba(255, 255, 255, 0.82));
}

.source-caretree .source-badge {
  color: #1f8a45;
}

.source-kpis {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.source-kpi {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
}

.source-kpi h3 {
  margin: 0;
  font-size: 0.72rem;
  color: var(--subtle);
  font-weight: 500;
}

.source-kpi p {
  margin: 5px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.source-meta {
  margin-top: 10px;
  color: var(--subtle);
  font-size: 0.86rem;
  display: grid;
  gap: 4px;
}

.source-meta p {
  margin: 0;
}

.source-office-breakdown {
  margin-top: 12px;
}

.source-office-breakdown h3 {
  margin: 0 0 8px;
  font-size: 0.82rem;
  color: var(--subtle);
  font-weight: 600;
}

.source-office-table {
  font-size: 0.78rem;
}

.source-office-table th,
.source-office-table td {
  padding: 6px 7px;
}

.csv-type-grid {
  margin-top: 0;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.granularity-switch {
  display: flex;
  gap: 6px;
}

.granularity-switch .granularity-btn,
.granularity-switch .user-detail-granularity-btn,
.granularity-switch .staff-detail-granularity-btn {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  padding: 7px 12px;
}

.granularity-switch .granularity-btn.is-active,
.granularity-switch .user-detail-granularity-btn.is-active,
.granularity-switch .staff-detail-granularity-btn.is-active {
  color: white;
  border-color: rgba(31, 138, 69, 0.4);
  background: linear-gradient(145deg, #1f8a45, #146c8c);
}

.selectable-row {
  cursor: pointer;
}

.selectable-row:hover {
  background: rgba(20, 108, 140, 0.06);
}

.selectable-row.is-selected {
  background: rgba(20, 108, 140, 0.13);
}

.csv-discovery-summary {
  margin: 0 0 10px;
  color: var(--subtle);
  font-size: 0.88rem;
}

.status-pill {
  display: inline-block;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.status-ok {
  color: #1f8a45;
  background: rgba(31, 138, 69, 0.1);
  border-color: rgba(31, 138, 69, 0.28);
}

.status-ng {
  color: #b5384e;
  background: rgba(181, 56, 78, 0.1);
  border-color: rgba(181, 56, 78, 0.28);
}

.grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 8px;
  text-align: left;
}

thead {
  background: rgba(20, 108, 140, 0.08);
}

@media (max-width: 700px) {
  .controls,
  .upload {
    display: grid;
  }

  .global-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .source-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls button,
  .upload button {
    width: 100%;
  }
}