/* app.css — Dark-Theme der Nahwärme-Adelshofen-Weboberfläche.
   Farbpalette/Bausteine angelehnt an die lokale Übergabestations-UI,
   damit Betreiber/Kunden dasselbe Markenbild wiedererkennen. */

:root {
  --bg: #0e1419;
  --panel: #161e26;
  --panel-2: #1c2731;
  --line: #283543;
  --ink: #e8eef3;
  --muted: #7d8c9a;
  --muted-2: #56646f;
  --hot: #f8971d;       /* Vorlauf / heiß — Markenorange */
  --cool: #4ea3d8;       /* Rücklauf / kühl */
  --ok: #5bc88a;
  --ok-bg: rgba(91,200,138,.12);
  --warn: #e7b24a;
  --bad: #e0625b;
  --bad-bg: rgba(224,98,91,.12);
  --off: #7d8c9a;
  --off-bg: rgba(125,140,154,.12);
  --radius: 10px;
  --mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1 { font-size: 1.5rem; margin: 0 0 1rem; font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 1.6rem 0 .8rem; font-weight: 600; }
a { color: var(--cool); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.right { text-align: right; }
code { font-family: var(--mono); background: var(--panel-2); padding: .1rem .35rem; border-radius: 5px; }

/* --- Topbar --------------------------------------------------------- */
header.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: .7rem 1.3rem; border-bottom: 1px solid var(--line); background: var(--panel);
}
header.top .brand { display: flex; align-items: center; }
header.top .brand img { height: 34px; width: auto; display: block; }
header.top nav { display: flex; align-items: center; gap: .2rem; }
header.top nav a {
  color: var(--muted); text-decoration: none; font-size: .92rem;
  padding: .4rem .8rem; border-radius: 7px; font-weight: 500;
}
header.top nav a:hover { color: var(--ink); background: var(--panel-2); }
header.top nav a.logout { margin-left: .6rem; }

main { max-width: 1200px; margin: 0 auto; padding: 1.6rem 1.3rem 4rem; }

/* --- Stat-Kacheln (Kennzahlen oben) ----------------------------------- */
.stats { display: flex; gap: 1rem; margin-bottom: 1.3rem; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1.2rem; min-width: 120px;
}
.stat .num { font-size: 1.7rem; font-weight: 600; font-family: var(--mono); }
.stat .lbl { color: var(--muted); font-size: .8rem; margin-top: .1rem; }

/* --- Tabellen (nur noch für dichte Listen, z.B. Verwaltung) ----------- */
table {
  width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
th, td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); font-size: .9rem; }
th { background: var(--panel-2); color: var(--muted); font-weight: 600; font-size: .76rem;
  text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel-2); }

.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .76rem; font-weight: 600; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.off { background: var(--off-bg); color: var(--off); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; margin-bottom: 1rem; }

/* --- Formulare --------------------------------------------------------*/
label { display: block; font-size: .82rem; color: var(--muted); margin: .6rem 0 .3rem;
  text-transform: uppercase; letter-spacing: .04em; }
input, select {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px;
  font-size: .95rem; background: var(--panel-2); color: var(--ink); font-family: var(--sans);
}
input:focus, select:focus { outline: 2px solid var(--cool); outline-offset: 1px; }
button {
  margin-top: 1rem; width: 100%; padding: .6rem; background: var(--hot); color: #1a0e08;
  border: none; border-radius: 8px; font-size: .95rem; font-weight: 600; cursor: pointer;
}
button:hover { filter: brightness(1.07); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.fehler, .hinweis-box {
  padding: .6rem .8rem; border-radius: var(--radius); font-size: .88rem; margin-bottom: .8rem;
}
.fehler { background: var(--bad-bg); color: var(--bad); }
.hinweis-box { background: var(--ok-bg); color: var(--ok); }

/* --- Login --------------------------------------------------------- */
.login-body { display: grid; place-items: center; min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -10%, #16222e, var(--bg)); margin: 0; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 2.2rem; width: min(380px, 92vw); }
.login-logo { display: block; width: 220px; max-width: 100%; height: auto; margin: 0 auto 1.2rem; }

/* --- Kacheln (Stationsübersicht Operator + Kundenansicht) ------------- */
.station-grid { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.scard {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; transition: border-color .15s, transform .1s; display: block;
}
.scard:hover { border-color: var(--cool); transform: translateY(-1px); text-decoration: none; }
.scard-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: .6rem; gap: .5rem; }
.scard-name { font-weight: 600; color: var(--ink); }
.scard-id { color: var(--muted); font-size: .8rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted-2); flex-shrink: 0; }
.dot.live { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.scard-rows { display: flex; flex-direction: column; gap: .3rem; font-size: .87rem; }
.srow { display: flex; justify-content: space-between; gap: .6rem; }
.srow .k { color: var(--muted); }
.srow .v { font-family: var(--mono); }
.v.hot { color: var(--hot); } .v.cool { color: var(--cool); }

/* --- Block-Karten (gruppierte Messwerte je Station, wie Schneid-Tool) - */
.blocks { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  margin-bottom: 1.6rem; }
.block-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; }
.block-card h3 { margin: 0 0 .7rem; font-size: 1rem; font-weight: 600; color: var(--ink);
  padding-bottom: .5rem; border-bottom: 1px solid var(--line); }
.brows { display: flex; flex-direction: column; gap: .5rem; }
.brow { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.bk { color: var(--muted); font-size: .88rem; }
.bk .verlauf-link { margin-left: .4rem; font-size: .78rem; }
.bv { font-family: var(--mono); font-size: 1.02rem; white-space: nowrap; }
.bv.hot { color: var(--hot); } .bv.cool { color: var(--cool); }
.bv.status { font-family: var(--sans); font-size: .9rem; color: var(--ok); }
.bv i { font-style: normal; color: var(--muted); font-size: .78rem; margin-left: .15rem; }

/* --- Tiles (Kunden-Kostenübersicht) ----------------------------------- */
.tile-grid { display: grid; gap: .9rem; margin-bottom: 1.6rem;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.tile .label { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; }
.tile .num { font-family: var(--mono); font-size: 1.7rem; margin-top: .3rem; }
.tile .unit { font-size: .88rem; color: var(--muted); margin-left: .2rem; }

/* --- Chart-Steuerung --------------------------------------------------*/
canvas { max-width: 100%; }
.chart-controls { margin: .8rem 0 .5rem; display: flex; gap: .4rem; flex-wrap: wrap; }
.chart-controls button { width: auto; margin: 0; padding: .35rem .75rem; font-size: .85rem;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); font-weight: 500; }
.chart-controls button.active { background: var(--hot); color: #1a0e08; border-color: var(--hot); }

/* --- Verwaltung ---------------------------------------------------- */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }
.form-inline { display: flex; flex-wrap: wrap; gap: .6rem; align-items: flex-end; }
.form-inline .feld { flex: 1 1 140px; }
.form-inline label { margin: 0 0 .25rem; }
.form-inline button { margin-top: 0; width: auto; padding: .55rem 1rem; white-space: nowrap; }
.kunde-block { border-top: 1px solid var(--line); padding-top: .8rem; margin-top: .8rem; }
.kunde-block:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.tag-liste { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0; }
.tag { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); border-radius: 999px;
  padding: .2rem .6rem .2rem .75rem; font-size: .82rem; display: flex; align-items: center; gap: .4rem; }
.tag button { margin: 0; width: auto; padding: 0 .3rem; background: none; color: var(--muted);
  font-weight: 700; border: none; font-size: .95rem; line-height: 1; }
.tag button:hover { color: var(--bad); filter: none; }
.kleinform { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.kleinform input, .kleinform select { width: auto; }
.kleinform button { width: auto; padding: .4rem .8rem; margin: 0; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 .3rem; padding: .8rem; }
legend { padding: 0 .4rem; color: var(--muted); font-size: .8rem; }

/* --- Karte ------------------------------------------------------------*/
#karte { height: 68vh; min-height: 420px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); }
.legende { display: flex; gap: 1.1rem; flex-wrap: wrap; margin: .4rem 0 .9rem; font-size: .85rem; color: var(--muted); }
.legende i { display: inline-block; width: .8rem; height: .8rem; border-radius: 50%; margin-right: .35rem;
  vertical-align: -.05rem; }
.lg-heiss { background: var(--hot); } .lg-normal { background: var(--warn); }
.lg-kuehl { background: var(--cool); } .lg-offline { background: var(--muted-2); }
.ohne-standort ul { margin: .4rem 0 0; padding-left: 1.2rem; }
.leaflet-popup-content-wrapper { background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; }
.leaflet-popup-tip { background: var(--panel); border: 1px solid var(--line); }
.leaflet-container a.leaflet-popup-close-button { color: var(--muted); }
.popup-name { font-weight: 600; margin-bottom: .2rem; }
.popup-id { color: var(--muted); font-size: .8rem; margin-bottom: .4rem; }
.popup table { border: none; width: auto; background: transparent; }
.popup td { padding: .1rem .5rem .1rem 0; border: none; font-size: .85rem; }
.popup a { font-size: .85rem; }

@media (max-width: 600px) {
  main { padding: 1.1rem .8rem 3rem; }
  h1 { font-size: 1.3rem; }
}