:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --ink: #1d2433;
  --muted: #5d6677;
  --line: #e1e5ec;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --chip: #eef2f8;
  --error: #b42318;
  --shadow: 0 8px 28px rgba(16, 24, 40, 0.18);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151c;
    --surface: #1a2029;
    --ink: #e8ecf2;
    --muted: #a3acba;
    --line: #2e3744;
    --accent: #6c9bff;
    --accent-ink: #0b1220;
    --chip: #253042;
    --error: #ff8a80;
    --shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
#map { position: fixed; inset: 0; }
.muted { color: var(--muted); font-size: 13px; }
h1 { font-size: 18px; margin: 0 0 2px; }

button, input, select { font: inherit; color: inherit; }
button {
  border: 0; border-radius: 8px; padding: 8px 14px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
}
button.secondary, .icon-btn { background: var(--chip); color: var(--ink); font-weight: 500; }
.icon-btn { min-width: 36px; padding: 6px 10px; }
input[type=date], input[type=time], select, input:not([type]), input[type=password] {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-width: 0;
}
label { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--muted); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Bedienfeld --- */
#panel {
  position: fixed; z-index: 1000; top: 12px; left: 12px; width: 360px; max-height: calc(100% - 24px);
  display: flex; flex-direction: column;
  background: var(--surface); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden;
}
.panel-head { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; padding: 14px 14px 8px; }
.panel-body { padding: 4px 14px 12px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.panel-foot { display: flex; flex-wrap: wrap; gap: 4px 12px; justify-content: space-between; padding: 8px 14px; border-top: 1px solid var(--line); font-size: 12px; }
.panel-foot a { color: var(--accent); }
#panel.collapsed .panel-body, #panel.collapsed .panel-foot { display: none; }

.tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--chip); border-radius: 10px; padding: 3px; }
.tabs button { background: transparent; color: var(--muted); padding: 7px; }
.tabs button[aria-selected=true] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.15); }

section { display: flex; flex-direction: column; gap: 10px; }
section[hidden] { display: none; }
.row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.row > label { flex: 1; }
.slider-row { display: flex; gap: 6px; align-items: center; }
.slider-row input[type=range] { flex: 1; accent-color: var(--accent); }
.big { font-size: 17px; font-weight: 600; margin: 0; }

.days { display: flex; gap: 4px; flex-wrap: wrap; }
.days label { flex-direction: row; align-items: center; gap: 4px; background: var(--chip); color: var(--ink); padding: 5px 8px; border-radius: 8px; cursor: pointer; }
.presets { gap: 6px; }
.chip { background: var(--chip); color: var(--ink); font-weight: 500; padding: 5px 10px; font-size: 13px; }

.legend { border-top: 1px solid var(--line); padding-top: 10px; }
.legend-title { margin: 0 0 6px; font-size: 13px; font-weight: 600; }
.legend ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; font-size: 13px; }
.legend i { display: inline-block; width: 18px; height: 5px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }

/* --- Popup --- */
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: var(--surface); color: var(--ink); }
.pop table { border-collapse: collapse; margin: 6px 0; font-size: 13px; }
.pop th { text-align: left; font-weight: 500; color: var(--muted); padding: 1px 12px 1px 0; }
.pop canvas { display: block; margin-top: 4px; }
.chart-cap { margin-top: 2px; font-size: 11px; }

/* --- Login --- */
.login-page { display: grid; place-items: center; padding: 16px; background: var(--bg); }
.login-card {
  width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px; display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow);
}
.login-card .check { flex-direction: row; align-items: center; gap: 8px; }
.error { color: var(--error); margin: 0; font-size: 14px; }

/* --- Handy: Bedienfeld unten als Blatt --- */
@media (max-width: 640px) {
  #panel { top: auto; bottom: 0; left: 0; right: 0; width: auto; max-height: 62%; border-radius: 14px 14px 0 0; }
  .leaflet-top.leaflet-left { top: 0; }
}