:root {
  --bg: #16181d;
  --surface: #1f2229;
  --text: #dddde2;
  --muted: #8b8f9a;
  --accent: #6ea8fe;
  --danger: #e57373;
  --border: #2c303a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 15px;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.7rem 1.2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

nav a, nav .link { color: var(--text); text-decoration: none; }
nav a:hover { color: var(--accent); }
nav form.inline { margin-left: auto; }

main { max-width: 60rem; margin: 0 auto; padding: 1rem; }

h1 { font-size: 1.4rem; }
h2 { font-size: 1.05rem; color: var(--muted); margin-top: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); align-items: end; }
.grid label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--muted); }
.grid button { grid-column: 1 / -1; justify-self: start; }

input, button {
  font: inherit;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.7rem;
}

input:focus { outline: none; border-color: var(--accent); }

button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button.danger:hover { border-color: var(--danger); color: var(--danger); }

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

table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.45rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
td.actions { white-space: nowrap; display: flex; gap: 0.7rem; align-items: center; }

.tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.05rem 0.55rem;
  margin: 0.1rem 0.15rem;
  font-size: 0.8rem;
}

.error {
  background: rgba(229, 115, 115, 0.12);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 6px;
  padding: 0.5rem 0.8rem;
}

.tracking .active-tags { font-size: 1.25rem; margin: 0.3rem 0; }
.tracking .active-label { color: var(--accent); margin: 0; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.08em; }
.tracking .active-meta { color: var(--muted); margin: 0.2rem 0 0.8rem; }

.login {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-width: 16rem;
}

.table-scroll { overflow-x: auto; }

.charts { display: grid; gap: 1rem; grid-template-columns: 2fr 1fr; }
.chart { min-height: 16rem; }

@media (max-width: 40rem) {
  .charts { grid-template-columns: 1fr; }
}