/* Dunkel ist Standard, Hell über data-theme="light" (gesetzt im <head>, siehe index.html) */
:root {
  --bg: #111217;
  --panel: #181b1f;
  --border: #2c3235;
  --text: #ccccdc;
  --muted: #8e8e9a;
  --accent: #5794f2;
  --accent-text: #ffffff;
  --control: #22252b;
  --control-hover: #2c3036;
  --tooltip: #22252b;
  --heat-low: #1a2433;
  --warn: #fade2a;
  --error: #f2495c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dcdee3;
  --text: #24292e;
  --muted: #6e7079;
  --accent: #3871dc;
  --accent-text: #ffffff;
  --control: #eceef1;
  --control-hover: #e1e4e8;
  --tooltip: #ffffff;
  --heat-low: #e8eef9;
  --warn: #946c00;
  --error: #d10e2b;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.title { display: flex; align-items: center; gap: 12px; }
h1 { margin: 0; font-size: 20px; font-weight: 500; }

.range { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ----- Schaltflächen ----- */
button, input {
  font: inherit;
  color: var(--text);
  border-radius: 6px;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid transparent;
  background: var(--control);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}
button:hover { background: var(--control-hover); }
button:active { transform: translateY(1px); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button.primary { background: var(--accent); color: var(--accent-text); font-weight: 500; }
button.primary:hover { filter: brightness(1.08); }

button.icon { width: 32px; padding: 0; }
button svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Segmentierte Gruppen: Schnellauswahl und Vor/Zurück */
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 3px;
  background: var(--control);
  border-radius: 9px;
}
.segmented button { min-height: 28px; background: transparent; color: var(--muted); }
.segmented button:hover { background: var(--control-hover); color: var(--text); }
.segmented button.icon { width: 28px; }
.segmented button[aria-pressed="true"] {
  background: var(--panel);
  color: var(--text);
  font-weight: 500;
  box-shadow: var(--shadow);
}

input {
  min-height: 32px;
  padding: 0 8px;
  background: var(--control);
  border: 1px solid transparent;
}
input:hover { border-color: var(--border); }

#custom { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
#custom label { display: flex; gap: 6px; align-items: center; color: var(--muted); }

/* Theme-Schalter zeigt jeweils das Ziel-Symbol */
#theme .sun { display: none; }
:root:not([data-theme="light"]) #theme .sun { display: block; }
:root:not([data-theme="light"]) #theme .moon { display: none; }

/* Einheiten-Einstellungen: aufklappbar über dem Inhalt */
#settings { position: relative; }
#settings summary {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--control); cursor: pointer; list-style: none;
}
#settings summary::-webkit-details-marker { display: none; }
#settings summary:hover, #settings[open] summary { background: var(--control-hover); }
#settings summary svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#settings .panel {
  position: absolute; z-index: 10; top: 38px; left: 0;
  display: grid; gap: 8px; padding: 12px; min-width: 200px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px; box-shadow: var(--shadow);
}
#settings label { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); }
select { font: inherit; color: var(--text); min-height: 32px; padding: 0 6px; background: var(--control); border: 1px solid transparent; border-radius: 6px; }
select:hover { border-color: var(--border); }

/* ----- Hinweise ----- */
.banner { margin: 8px 16px 0; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--warn); color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.banner.error { border-color: var(--error); color: var(--error); background: color-mix(in srgb, var(--error) 12%, transparent); }

/* ----- Raster ----- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
  padding: 8px 16px 16px;
}

h2 {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  font-size: 15px;
  font-weight: 500;
}

.tile {
  grid-column: span 12;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  min-width: 0;
}
.stat { grid-column: span 2; }
.w4 { grid-column: span 4; }
.w6 { grid-column: span 6; }
.w8 { grid-column: span 8; }

h3 { margin: 0 0 4px; font-size: 13px; font-weight: 500; color: var(--muted); }

.value { margin: 4px 0 0; font-size: 32px; font-weight: 500; white-space: nowrap; }
.value span { font-variant-numeric: tabular-nums; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.compass { display: block; width: 88px; height: 88px; margin: 0 auto; }
.compass circle { fill: none; stroke: var(--border); stroke-width: 2; }
.compass text { fill: var(--muted); font-size: 10px; text-anchor: middle; dominant-baseline: middle; }
.compass path { fill: var(--accent); }
#cur-arrow { transition: transform 0.6s; }

.chart { height: 260px; }
.chart.tall { height: 320px; }

footer { padding: 0 16px 16px; font-size: 12px; }

/* Tablet: 2 Spalten */
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile, .w4, .w6, .w8 { grid-column: span 2; }
  .stat { grid-column: span 1; }
}

/* Handy: 1 Spalte */
@media (max-width: 600px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
  .tile, .stat, .w4, .w6, .w8 { grid-column: span 1; }
  .value { font-size: 28px; }
}
