:root {
  --bg: #111418;
  --bg-card: #1a1f26;
  --fg: #e8e8e8;
  --muted: #9aa4b0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --ok: #22c55e;
  --border: #2a313a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h1 { font-size: 1.6rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.2rem; }
p { color: var(--muted); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.actions { display: flex; gap: 0.75rem; margin-top: 1.25rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--fg); }
.btn-secondary:hover { border-color: var(--accent); }

form label { display: block; margin: 0.75rem 0 0.25rem; color: var(--muted); }
form input {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
}
form input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }

form button { margin-top: 1.25rem; }

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-error { background: #3a1a1a; color: #fca5a5; border: 1px solid #7f1d1d; }
.alert-success { background: #14321c; color: #86efac; border: 1px solid #14532d; }

code { background: var(--bg); padding: 0.1rem 0.35rem; border-radius: 4px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--border);
}
.topbar a { color: var(--muted); text-decoration: none; margin-left: 1rem; }
.topbar a:hover { color: var(--fg); }

.meter-list { list-style: none; padding: 0; }
.meter-list li { margin-bottom: 0.5rem; }