:root {
  color-scheme: dark;
  --bg: #1e1f24;
  --bg-elevated: #26272e;
  --border: #3a3b42;
  --text: #e6e6ea;
  --text-muted: #9a9ba3;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --success: #2ecc71;
  --warning: #f1c40f;
  --danger: #e74c3c;
  font-family: -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}

.logout-link {
  color: var(--accent);
  text-decoration: none;
}
.logout-link:hover {
  text-decoration: underline;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}

.tab-button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

main {
  padding: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.hint {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 20px;
}

.settings-group {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.settings-group h2 {
  font-size: 15px;
  margin: 0 0 12px;
  color: var(--accent);
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.field-row:last-child {
  border-bottom: none;
}

.field-label {
  flex: 1;
}

.field-label .label-text {
  font-size: 14px;
}

.field-label .env-var {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
}

.field-input {
  flex: 0 0 260px;
  display: flex;
  justify-content: flex-end;
}

.field-input input[type="text"],
.field-input input[type="number"],
.field-input select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.field-input input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.field-status {
  font-size: 11px;
  margin-left: 8px;
  min-width: 16px;
}

.stats-controls {
  margin-bottom: 16px;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.stat-card .value {
  font-size: 24px;
  font-weight: bold;
}

.stat-card .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.cases-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.cases-table th,
.cases-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.cases-table th {
  color: var(--text-muted);
  font-weight: normal;
}

.badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
}
.badge-minor { background: rgba(241, 196, 15, 0.2); color: var(--warning); }
.badge-moderate { background: rgba(230, 126, 34, 0.2); color: #e67e22; }
.badge-severe { background: rgba(231, 76, 60, 0.2); color: var(--danger); }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.error {
  border-color: var(--danger);
  color: var(--danger);
}
.toast.success {
  border-color: var(--success);
  color: var(--success);
}