:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1c2127;
  --text-muted: #5b6472;
  --accent: #2b5fd9;
  --green-bg: #e6f6ea; --green-fg: #1c7a35; --green-border: #b6e3c1;
  --warning-bg: #fff6e0; --warning-fg: #8a5b00; --warning-border: #f2d98a;
  --error-bg: #fde8e8; --error-fg: #b3231b; --error-border: #f3b7b3;
  --unknown-bg: #eceff2; --unknown-fg: #55606b; --unknown-border: #cfd6dd;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 12px 20px;
}
.topbar .brand { font-weight: 700; color: var(--text); text-decoration: none; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; }
.topbar nav a:hover { color: var(--accent); }
.logout-form { display: flex; align-items: center; gap: 10px; }
.who { color: var(--text-muted); font-size: 0.9rem; }

.link-button {
  background: none; border: none; padding: 0; color: var(--accent);
  cursor: pointer; font: inherit; text-decoration: underline;
}

h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 24px 0 10px; }
h3 { font-size: 1rem; margin: 16px 0 8px; }
.subtitle { color: var(--text-muted); margin: 0 0 20px; }

.page-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px;
}

.status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 0.85rem; font-weight: 600;
  border: 1px solid transparent;
}
.status-icon { font-size: 0.8rem; }
.status-green   { background: var(--green-bg);   color: var(--green-fg);   border-color: var(--green-border); }
.status-warning { background: var(--warning-bg); color: var(--warning-fg); border-color: var(--warning-border); }
.status-error   { background: var(--error-bg);   color: var(--error-fg);   border-color: var(--error-border); }
.status-unknown { background: var(--unknown-bg); color: var(--unknown-fg); border-color: var(--unknown-border); }

.project-list { display: flex; flex-direction: column; gap: 10px; }
.project-row {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-left-width: 4px;
  border-radius: var(--radius); padding: 14px 16px;
}
.project-row.rank-error   { border-left-color: var(--error-fg); }
.project-row.rank-warning { border-left-color: var(--warning-fg); }
.project-row.rank-unknown { border-left-color: var(--unknown-fg); }
.project-row.rank-green   { border-left-color: var(--green-fg); }
.project-row.inactive { opacity: 0.6; }

.project-main { flex: 1; min-width: 220px; }
.project-name { font-weight: 700; font-size: 1.05rem; }
.project-name a { color: var(--text); text-decoration: none; }
.project-url { color: var(--text-muted); font-size: 0.85rem; word-break: break-all; }
.project-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--text-muted); font-size: 0.85rem; }
.project-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); text-decoration: none; font: inherit; cursor: pointer;
  font-size: 0.9rem;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { opacity: 0.92; color: #fff; }
.btn-danger { color: var(--error-fg); border-color: var(--error-border); }
.btn-danger:hover { border-color: var(--error-fg); }
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--text-muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }

form.stacked label { display: block; font-weight: 600; margin: 14px 0 4px; font-size: 0.9rem; }
form.stacked .hint { color: var(--text-muted); font-size: 0.8rem; margin-top: 2px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=time],
select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit;
  background: var(--surface); color: var(--text);
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.85rem; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; font-weight: 500; }

.form-actions { display: flex; gap: 10px; margin-top: 20px; }

.errors { background: var(--error-bg); border: 1px solid var(--error-border); color: var(--error-fg); border-radius: 6px; padding: 10px 14px; margin-bottom: 16px; }
.errors ul { margin: 4px 0 0; padding-left: 20px; }

.notice { background: var(--green-bg); border: 1px solid var(--green-border); color: var(--green-fg); border-radius: 6px; padding: 10px 14px; margin-bottom: 16px; }
.notice.info { background: var(--unknown-bg); border-color: var(--unknown-border); color: var(--unknown-fg); }

.empty-state { color: var(--text-muted); padding: 30px 0; text-align: center; }

.self-health { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-muted); align-items: center; }
.self-health .stale { color: var(--error-fg); font-weight: 600; }

.login-card { max-width: 380px; margin: 60px auto; }

.checks-table code { font-size: 0.8rem; }

.diagnostic-json { background: var(--unknown-bg); border-radius: 6px; padding: 10px; font-size: 0.78rem; overflow-x: auto; white-space: pre-wrap; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  .project-row { flex-direction: column; align-items: flex-start; }
}