* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  color: #1f2933;
  background: #f4f7f6;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: #203b3d;
  color: #fff;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  margin-bottom: 14px;
  font-size: 18px;
}

p {
  margin: 6px 0 0;
}

button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid #b8c6c3;
  border-radius: 6px;
  background: #fff;
  color: #1f2933;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  background: #eef5f2;
}

button.small {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 13px;
}

button.danger {
  border-color: #b42318;
  background: #fff4f2;
  color: #b42318;
}

button.danger:hover {
  background: #ffe4df;
}

.layout {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: calc(100vh - 76px);
}

.tabs {
  padding: 18px 12px;
  background: #e4ece9;
  border-right: 1px solid #d1ddda;
}

.tabs button {
  width: 100%;
  margin-bottom: 8px;
  text-align: left;
}

.tabs button.active {
  border-color: #2f5d62;
  background: #2f5d62;
  color: #fff;
}

.panel {
  display: none;
  padding: 24px;
}

.panel.active {
  display: block;
}

.metrics,
.upload-grid,
.form-grid,
.saved-filter-bar,
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.metric,
.stat-box,
.settings-list > div {
  padding: 14px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
}

.metric strong {
  display: block;
  font-size: 28px;
  color: #2f5d62;
}

label {
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
  font-weight: 700;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 36px;
  padding: 6px 8px;
  border: 1px solid #b8c6c3;
  border-radius: 4px;
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  height: 18px;
  accent-color: #0078d4;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.actions button {
  background: #2f5d62;
  color: #fff;
  border-color: #2f5d62;
}

.saved-filter-bar button {
  align-self: end;
}

.status {
  margin: 12px 0;
  color: #4b5563;
}

.muted {
  color: #6b7280;
}

.table-wrap {
  overflow: auto;
  max-width: 100%;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid #edf2f0;
  text-align: left;
  white-space: nowrap;
  font-size: 14px;
}

th {
  background: #eef5f2;
}

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

.connection-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
  margin: 16px 0;
}

.connection-panel h3 {
  margin: 0 0 8px;
}

.connection-panel p {
  margin: 6px 0;
}

.hidden-form {
  display: none;
}

.mini-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.mini-list > div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid #e3ebe8;
}

.mini-list span {
  color: #526662;
}

.support-box {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.support-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.disclaimer {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
}

.cleanup-actions {
  display: grid;
  gap: 10px;
  min-width: 220px;
}

.danger-zone {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid #f1a7a1;
  border-radius: 6px;
  background: #fff8f7;
  margin-bottom: 24px;
}

.setup-check {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.setup-check-summary,
.setup-check-item {
  padding: 12px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
}

.setup-check-summary {
  grid-column: 1 / -1;
  font-weight: 700;
}

.setup-check-summary.ok,
.setup-check-item.ok {
  border-color: #9bc9a4;
  background: #f3fbf4;
}

.setup-check-summary.missing,
.setup-check-item.missing {
  border-color: #e6b36a;
  background: #fff8eb;
}

.setup-check-item {
  display: grid;
  gap: 4px;
}

.setup-check-item strong {
  color: #2f5d62;
}

.setup-check-item.missing strong {
  color: #9a5b00;
}

.setup-check-item small {
  color: #4b5563;
  white-space: normal;
  word-break: break-all;
}

.disclaimer p {
  margin: 0;
}

.venn-wrap {
  margin: 18px 0;
}

.venn {
  position: relative;
  width: min(520px, 100%);
  height: 260px;
}

.venn-circle {
  position: absolute;
  display: grid;
  place-items: center;
  width: 190px;
  height: 190px;
  border: 2px solid rgba(47, 93, 98, 0.8);
  border-radius: 50%;
  background: rgba(47, 93, 98, 0.18);
  text-align: center;
  font-weight: 700;
}

.venn-a {
  left: 45px;
  top: 20px;
}

.venn-b {
  left: 175px;
  top: 20px;
  background: rgba(0, 120, 212, 0.16);
}

.venn-c {
  left: 110px;
  top: 105px;
  background: rgba(180, 120, 40, 0.16);
}

.venn-counts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 8px;
  max-width: 680px;
}

.venn-counts span {
  cursor: pointer;
  padding: 8px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
  text-align: center;
  font-weight: 700;
}

.venn-counts span.active {
  border-color: #2f5d62;
  background: #2f5d62;
  color: #fff;
}

.mapping-panel {
  display: grid;
  gap: 12px;
  margin: 12px 0 24px;
}

.mapping-card {
  padding: 14px;
  border: 1px solid #d5e0dd;
  border-radius: 6px;
  background: #fff;
}

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.group-editor,
.department-checks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.department-checks label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.department-checks input {
  width: auto;
  min-height: auto;
}

.mapping-grid label {
  padding: 10px;
}

@media (max-width: 760px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .tabs {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    border-right: 0;
    border-bottom: 1px solid #d1ddda;
  }

  .tabs button {
    min-width: 120px;
    margin-bottom: 0;
    text-align: center;
  }

  .topbar {
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
  }

  .panel {
    padding: 16px;
  }
}