/* Stellwerk Celle - gemeinsames Aussehen (dunkel wie ein echtes ESTW-Bediengeraet) */
:root {
  --bg: #0b0f14;
  --panel: #131a22;
  --rand: #24303c;
  --text: #d8e1e8;
  --leise: #8fa1b0;
  --gleis: #e6e6e6;
  --gelb: #ffd400;   /* Fahrstrasse eingestellt */
  --gruen: #2fd05a;  /* Fahrt */
  --rot: #e3262b;    /* Halt / belegt */
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text);
  font-family: "DejaVu Sans Mono", Consolas, "Courier New", monospace; }
body { display: flex; flex-direction: column; min-height: 100vh; }

.kopf { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--rand); background: var(--panel); }
.kopf h1 { margin: 0; font-size: 1.1rem; letter-spacing: .12em; }
.kopf .rechts { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.uhr { font-size: 1.1rem; color: var(--gelb); letter-spacing: .05em; }

.mitte { flex: 1; display: flex; align-items: center; justify-content: center; padding: 16px; }
.karte { width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--rand);
  padding: 22px; }
.karte h2 { margin: 0 0 6px; font-size: 1.05rem; letter-spacing: .08em; }
.karte p { color: var(--leise); margin: 0 0 14px; line-height: 1.45; font-size: .92rem; }

.gleis { height: 4px; background: var(--gleis); position: relative; margin: 6px 0 18px; }
.gleis::after { content: ""; position: absolute; left: 30%; width: 25%; height: 100%; background: var(--gelb); }

label { display: block; font-size: .85rem; color: var(--leise); margin: 10px 0 4px; }
input[type=text], input[type=password], input[type=email] {
  width: 100%; padding: 10px; background: #0b1117; color: var(--text);
  border: 1px solid var(--rand); font: inherit; font-size: 1rem; }
input:focus { outline: 2px solid var(--gelb); outline-offset: 0; }
.haken { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; color: var(--leise); font-size: .9rem; }
.haken input { width: 18px; height: 18px; }

button { margin-top: 16px; width: 100%; padding: 11px; font: inherit; font-size: 1rem;
  background: #1d2a36; color: var(--text); border: 1px solid #3a4b5c; cursor: pointer; letter-spacing: .05em; }
button:hover { border-color: var(--gelb); }
button.klein { width: auto; margin: 0; padding: 6px 12px; font-size: .85rem; }
button:disabled { opacity: .5; cursor: default; }

.meldung { margin-top: 12px; min-height: 1.2em; font-size: .9rem; color: var(--rot); }
.meldung.ok { color: var(--gruen); }

.qr { display: block; margin: 8px auto 6px; width: 200px; height: 200px; background: #fff; padding: 8px; image-rendering: pixelated; }
.geheim { word-break: break-all; text-align: center; font-size: .85rem; color: var(--leise); margin-bottom: 4px; }
.codes { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin: 10px 0;
  padding: 12px; border: 1px dashed var(--gelb); font-size: 1rem; text-align: center; }
.signal { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--rot);
  margin-right: 8px; vertical-align: middle; }
.signal.fahrt { background: var(--gruen); }
.versteckt { display: none !important; }