:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --danger: #f87171;
  --success: #4ade80;
  --warn: #facc15;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin: 6px 0; min-height: 1.2em; }
code { background: #0b1220; color: var(--accent); padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.hint { color: var(--muted); font-weight: normal; font-size: 12px; }
button { font: inherit; }

/* Login */
#login {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
#login form {
  background: var(--panel);
  padding: 32px;
  border-radius: 12px;
  width: 360px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
#login h1 { margin: 0 0 4px 0; font-size: 22px; }
#login p { margin: 0 0 20px 0; }
#login label { display: block; margin-bottom: 6px; color: var(--muted); }
#login input {
  width: 100%; padding: 10px 12px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
  margin-bottom: 16px;
}
#login button {
  width: 100%; padding: 10px;
  background: var(--accent-strong); color: white;
  border: none; border-radius: 6px; font-weight: 600;
  cursor: pointer;
}
#login button:hover { background: var(--accent); }

/* App layout */
header {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 16px; margin: 0; }
header .spacer { flex: 1; }
nav { display: flex; gap: 4px; margin-left: 16px; }
.tab {
  background: transparent; color: var(--muted);
  border: none; padding: 6px 12px; border-radius: 6px;
  cursor: pointer; font: inherit;
}
.tab.active { background: var(--panel-2); color: var(--text); }
.tab:hover { color: var(--text); }
button.link {
  background: transparent; color: var(--muted); border: none;
  cursor: pointer; padding: 6px 8px;
}
button.link:hover { color: var(--text); }

main { padding: 24px; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 16px;
}
.section-head h2 { margin: 0 0 4px 0; font-size: 18px; }
.section-head p { margin: 0; }
.section-head input {
  padding: 8px 10px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
  min-width: 240px;
}
button.primary {
  padding: 8px 14px;
  background: var(--accent-strong); color: white;
  border: none; border-radius: 6px;
  cursor: pointer; font-weight: 600;
}
button.primary:hover { background: var(--accent); }

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: 8px;
  overflow: hidden;
}
table.data th, table.data td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data th {
  background: var(--panel-2);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); font-weight: 600;
}
table.data tr:last-child td { border-bottom: none; }
table.data td .actions { display: flex; gap: 6px; justify-content: flex-end; }
table.data td .actions button {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 4px; cursor: pointer;
  font-size: 12px;
}
table.data td .actions button:hover { color: var(--text); border-color: var(--accent); }
table.data td .actions button.danger { color: var(--danger); }
table.data td .actions button.danger:hover { border-color: var(--danger); }
.empty {
  padding: 32px;
  text-align: center;
  color: var(--muted);
}

/* Status pills */
.pill {
  display: inline-block;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
}
.pill.ok { background: rgba(74,222,128,.15); color: var(--success); }
.pill.warn { background: rgba(250,204,21,.15); color: var(--warn); }
.pill.err { background: rgba(248,113,113,.15); color: var(--danger); }

/* Dialog */
dialog {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 24px;
  min-width: 420px;
}
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog h3 { margin: 0 0 16px 0; }
dialog label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
dialog label.checkbox { display: flex; align-items: center; gap: 8px; }
dialog input[type=text],
dialog input[type=url],
dialog input[type=password],
dialog input:not([type]) {
  width: 100%; padding: 8px 10px;
  border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}
.form-actions {
  display: flex; gap: 8px; justify-content: flex-end;
  margin-top: 20px;
}
.form-actions button {
  padding: 8px 14px; border: 1px solid var(--border);
  background: transparent; color: var(--text);
  border-radius: 6px; cursor: pointer;
}
.form-actions button.primary {
  background: var(--accent-strong); color: white; border: none;
}