:root {
  color-scheme: light;
  --bg: #f5f6fa;
  --panel: #ffffff;
  --panel-alt: #eef0f6;
  --border: #dde1ec;
  --text: #1a2233;
  --muted: #667085;
  --up: #1e9e5a;
  --down: #d6402f;
  --pending: #b8720a;
  --maintenance: #5b5fc7;
  --accent: #3a5fe0;
  --accent-hover: #2c4bc4;
  --danger: #d6402f;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f1420;
    --panel: #161d2e;
    --panel-alt: #1d2540;
    --border: #2a3350;
    --text: #e7ebf5;
    --muted: #8b93ab;
    --up: #2ecc71;
    --down: #e74c3c;
    --pending: #f39c12;
    --maintenance: #7f8cff;
    --accent: #5b7fff;
    --accent-hover: #4468f2;
    --danger: #e74c3c;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-alt: #1d2540;
  --border: #2a3350;
  --text: #e7ebf5;
  --muted: #8b93ab;
  --up: #2ecc71;
  --down: #e74c3c;
  --pending: #f39c12;
  --maintenance: #7f8cff;
  --accent: #5b7fff;
  --accent-hover: #4468f2;
  --danger: #e74c3c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.whoami { color: var(--muted); font-size: 0.9rem; }

main.view { max-width: 1100px; margin: 0 auto; padding: 24px; }

.btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--panel-alt); }
.btn-danger { background: var(--danger); }
.btn-small { padding: 4px 10px; font-size: 0.8rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.auth-card { max-width: 360px; margin: 60px auto; display: flex; flex-direction: column; gap: 10px; }
.auth-card form { display: flex; flex-direction: column; gap: 10px; }
.auth-card label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input[type="text"], input[type="password"], input[type="url"], input[type="number"], select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.95rem;
}
.muted { color: var(--muted); }
.small { font-size: 0.8rem; }
.error { color: var(--down); font-size: 0.85rem; }

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.summary .stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.summary .stat .value { font-size: 1.6rem; font-weight: 600; }
.summary .stat .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.summary .stat.up .value { color: var(--up); }
.summary .stat.down .value { color: var(--down); }
.summary .stat.pending .value { color: var(--pending); }

.instance-group {
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.instance-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--panel-alt);
}
.instance-header .name { font-weight: 600; }
.instance-header .meta { color: var(--muted); font-size: 0.8rem; }
.instance-header .status-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.status-dot.online { background: var(--up); }
.status-dot.offline { background: var(--down); }

.monitor-list { display: flex; flex-direction: column; }
.monitor-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.monitor-row .pill {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.pill.status-1 { background: var(--up); }
.pill.status-0 { background: var(--down); }
.pill.status-2 { background: var(--pending); }
.pill.status-3 { background: var(--maintenance); }
.pill.status-none { background: var(--muted); }
.monitor-row .name { flex: 1; }
.monitor-row .url { color: var(--muted); font-size: 0.8rem; }
.monitor-row .uptime { color: var(--muted); font-size: 0.8rem; width: 90px; text-align: right; }
.monitor-row .actions { display: flex; gap: 6px; }
.monitor-row.paused { opacity: 0.55; }

dialog {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
  width: 420px;
  max-width: 92vw;
}
dialog::backdrop { background: rgba(0,0,0,0.55); }
dialog form { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
dialog label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
dialog label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.dialog-actions { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.dialog-actions .spacer { flex: 1; }

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 28px 0 10px;
}
.section-title h2 { font-size: 1rem; margin: 0; }

.channel-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.channel-row .type-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 20px;
  color: var(--muted);
}
.channel-row .name { flex: 1; }

.alert-log-row {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}
.alert-log-row .time { color: var(--muted); width: 150px; flex-shrink: 0; }
.alert-log-row .status-badge { font-weight: 600; }
.alert-log-row .status-badge.down { color: var(--down); }
.alert-log-row .status-badge.up { color: var(--up); }

#ssoForm { display: flex; flex-direction: column; gap: 10px; max-width: 520px; }
#ssoForm label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
#ssoForm label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.sso-fields { display: flex; flex-direction: column; gap: 10px; }
.redirect-uri-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}
.redirect-uri-row code {
  color: var(--text);
  font-size: 0.85rem;
  word-break: break-all;
}

.theme-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.theme-switch .theme-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 6px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}
.theme-switch .theme-btn + .theme-btn { border-left: 1px solid var(--border); }
.theme-switch .theme-btn.active { background: var(--accent); color: #fff; }
.theme-switch .theme-btn:hover:not(.active) { background: var(--panel-alt); }

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 1.15rem; margin: 0; }
.brand-logo-img { height: 28px; max-width: 160px; object-fit: contain; display: block; }
.brand-centered { justify-content: center; margin: 40px 0 0; }
.brand-centered .brand-login-name { font-size: 1.2rem; font-weight: 600; }
.brand-centered .brand-logo-img { height: 40px; }

.logo-preview { display: flex; align-items: center; gap: 10px; }
.logo-preview img { height: 40px; max-width: 200px; object-fit: contain; background: var(--panel-alt); border-radius: 6px; padding: 4px; }

.checkbox-list, .monitor-picker {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--panel-alt);
}
.monitor-picker .picker-instance {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  margin-top: 6px;
}
.monitor-picker .picker-instance:first-child { margin-top: 0; }
.checkbox-list label, .monitor-picker label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text);
}

.role-mapping-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}
.role-mapping-form input, .role-mapping-form select { flex: 1; min-width: 120px; }

.mapping-row, .user-row, .group-row, .pd-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
.mapping-row:first-child, .user-row:first-child, .group-row:first-child, .pd-row:first-child { border-top: none; }
.mapping-row .name, .user-row .name, .group-row .name, .pd-row .name { flex: 1; }
.role-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 20px;
  color: var(--muted);
}