/* src/frontend/styles.css */
:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b36;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --pos: #4cc38a;
  --neg: #e5534b;
  --warn: #d4a72c;
  --accent: #6ea8fe;
  --chart-line: #4c8fe0;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  font: 15px / 1.5 -apple-system, Segoe UI, Roboto, sans-serif;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
}

header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items:  center;
  gap: 12px;
  margin-bottom: 16px;
}

header h1 {
  margin: 0;
  font-size: 20px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

nav button {
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  background: none;
  border: 1px solid #0000;
  border-radius: 8px;
  padding: 6px 12px;
}

nav button.active {
  color: var(--text);
  background: var(--panel);
  border-color: var(--line);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (width >= 900px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.card.empty {
  text-align: center;
  padding: 48px 16px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 16px;
}

.card h3 {
  color: var(--muted);
  margin: 16px 0 8px;
  font-size: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.stats > div {
  display: flex;
  flex-direction: column;
}

.k {
  color: var(--muted);
  font-size: 12px;
}

.pos {
  color: var(--pos);
}

.neg {
  color: var(--neg);
}

.muted {
  color: var(--muted);
}

.badge.warn {
  color: var(--bg);
  background: var(--warn);
  vertical-align: middle;
  border-radius: 6px;
  margin-left: 8px;
  padding: 2px 6px;
  font-size: 11px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
}

th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 6px 8px;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.login {
  display: flex;
  text-align: center;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  margin: 20vh auto 0;
}

.login input {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  border-radius: 8px;
  padding: 10px 12px;
}

.login button {
  background: var(--accent);
  color: #0b0d10;
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-weight: 600;
}

.err {
  color: var(--neg);
}