/* mysolar-icu frontend */
:root {
  --bg: #12161c;
  --panel: #1b2129;
  --card: #212935;
  --text: #e8e4d8;
  --muted: #8b93a0;
  --accent: #ffb347;      /* Sonne */
  --pv: #4caf7d;          /* PV-Ertrag */
  --grid: #e05252;        /* Netzbezug */
  --border: #2c3642;
}
body.light {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --card: #ffffff;
  --text: #26251f;
  --muted: #6b7280;
  --border: #ddd6c8;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 1.3rem; margin: 0; }
nav button {
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 0.4rem 0.7rem; cursor: pointer; font-size: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.8rem;
  padding: 1.2rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}
.card .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.card .value { font-size: 1.6rem; font-weight: 600; margin-top: 0.2rem; }
.card .value small { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
#pv-w { color: var(--pv); }
#grid-w { color: var(--grid); }
#co2-total { color: var(--accent); }

.status {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 0 1.2rem 0.6rem;
}
.status.warn { color: #e0a052; }
.status.err { color: var(--grid); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 0 1.2rem 1.2rem;
  padding: 1rem 1.2rem;
}
.range-buttons { display: flex; gap: 0.5rem; margin-bottom: 0.8rem; }
.range-buttons button {
  background: var(--card); color: var(--muted);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 0.35rem 0.9rem; cursor: pointer;
}
.range-buttons button.active {
  color: var(--accent); border-color: var(--accent);
}
.chart-wrap { position: relative; width: 100%; height: 340px; }

.panel h2 { font-size: 1.05rem; margin: 0 0 0.7rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 0.45rem 0.6rem; text-align: right; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }

.about p { margin: 0; color: var(--text); }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 0 2rem;
}
footer a { color: var(--accent); }

@media (max-width: 600px) {
  .chart-wrap { height: 260px; }
}