:root {
  --bg: #0f1620;
  --card: #17212e;
  --text: #e7edf3;
  --muted: #8aa0b4;
  --green: #33c17a;
  --red: #e0524f;
  --amber: #e0a83f;
  --accent: #3f8ee0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid #223040;
}
h1 { font-size: 1.2rem; margin: 0; }
main { max-width: 900px; margin: 0 auto; padding: 20px; }
.badge {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge.unknown { background: #333; color: #ccc; }
.badge.ok { background: rgba(51,193,122,0.15); color: var(--green); }
.badge.error { background: rgba(224,82,79,0.15); color: var(--red); }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
}
.card h2, .card h3 { margin-top: 0; font-size: 1rem; color: var(--muted); }
.metric {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #223040;
}
.metric:last-child { border-bottom: none; }
.metric span { color: var(--muted); }
.metric.small { font-size: 0.85rem; }

.control { background: var(--card); border-radius: 12px; padding: 18px; margin-bottom: 24px; }
.mode-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.mode-btn {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.mode-btn.active { background: var(--accent); color: #05141f; font-weight: 700; }
.mode-btn.danger.active { background: var(--red); color: #1a0505; }
.hint { color: var(--muted); font-size: 0.85rem; }

.wallbox-mode-buttons { margin-top: 12px; }
.wallbox-mode-buttons .mode-btn { padding: 8px 12px; font-size: 0.85rem; }
.wallbox-status-connected { color: var(--green); }
.wallbox-status-disconnected { color: var(--muted); }
.wallbox-status-charging { color: var(--accent); font-weight: 700; }

.wallbox-setting { margin-top: 14px; }
.wallbox-setting label { display: block; color: var(--muted); font-size: 0.8rem; margin-bottom: 4px; }
.wallbox-setting-row { display: flex; gap: 8px; }
.wallbox-setting-row input {
  flex: 1;
  min-width: 0;
  background: #223040;
  color: var(--text);
  border: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
}
.wallbox-setting-btn {
  background: var(--accent);
  color: #05141f;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}
.hint.small { font-size: 0.78rem; margin: 6px 0 0; }

.log { background: var(--card); border-radius: 12px; padding: 18px; margin-bottom: 24px; }
#log-box {
  max-height: 260px;
  overflow-y: auto;
  white-space: pre-wrap;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px 30px;
  color: var(--muted);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
}
#last-error { color: var(--red); }

.status-blocked { color: var(--red); font-weight: 700; }
.status-free { color: var(--green); font-weight: 700; }

/* ---------- Ertragsübersicht ---------- */
.energy { background: var(--card); border-radius: 12px; padding: 18px; margin-bottom: 24px; }
.energy h2 { margin-top: 0; }
.period-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 18px; }
.period-btn {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.period-btn.active { background: var(--accent); color: #05141f; font-weight: 700; }

.period-ref { display: flex; align-items: center; gap: 8px; margin: 0 0 18px; flex-wrap: wrap; }
.period-ref-input {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
}
.period-nav-btn {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.period-nav-btn:hover { background: #2c3d52; }

.energy-summary {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 18px;
}
.energy-summary .card { background: #101a26; }

.chart-controls { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.chart-controls label { color: var(--muted); font-size: 0.85rem; }
.chart-controls select {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.chart-container { width: 100%; }
#chart-svg { width: 100%; height: auto; display: block; }
.chart-bar { fill: var(--accent); }
.chart-bar:hover { fill: #63a9f0; }
.chart-gridline { stroke: #223040; stroke-width: 1; }
.chart-axis-label { fill: var(--muted); font-size: 11px; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 24px 0;
  flex-wrap: wrap;
  border-bottom: 1px solid #223040;
}
.tab-btn {
  background: none;
  color: var(--muted);
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 700; }
.tab-btn:hover { color: var(--text); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Priorisierung ---------- */
.card.wide { grid-column: 1 / -1; }
.priority-list { list-style: none; margin: 0; padding: 0; }
.priority-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #101a26;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
}
.priority-item.priority-fixed { background: rgba(224,168,63,0.12); }
.priority-icon { font-size: 1.1rem; }
.priority-rank { color: var(--muted); font-size: 0.85rem; width: 1.6em; }
.priority-label { flex: 1; }
.priority-note { color: var(--muted); font-size: 0.8rem; }
.priority-move-btn {
  background: #223040;
  color: var(--text);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}
.priority-move-btn:disabled { opacity: 0.3; cursor: default; }
.priority-move-btn:not(:disabled):hover { background: #2c3d52; }

/* ---------- Einstellungen ---------- */
.settings { background: var(--card); border-radius: 12px; padding: 18px; margin-bottom: 24px; }
.settings h2 { margin-top: 0; }
.settings code {
  background: #101a26;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}
.settings-fieldset {
  border: 1px solid #223040;
  border-radius: 10px;
  padding: 14px;
  margin: 0 0 16px;
}
.settings-fieldset legend {
  color: var(--muted);
  padding: 0 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.settings-array-item {
  border: 1px solid #223040;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
}
.settings-array-item-heading { color: var(--muted); font-size: 0.8rem; margin-bottom: 6px; }
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid #1c2734;
}
.settings-row:last-child { border-bottom: none; }
.settings-row label { color: var(--muted); font-size: 0.85rem; }
.settings-row input[type="text"],
.settings-row input[type="password"],
.settings-row input[type="number"] {
  background: #223040;
  color: var(--text);
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  max-width: 55%;
}
#settings-save-btn { margin-top: 8px; }
#settings-save-status { margin-top: 8px; }