/* Migrationsplaner – Gestaltung
   Leitidee: ein Rangierplan. Kühles Papier, Rasterpunkte als Zeichenfläche,
   und genau eine Signalfarbe für das Wichtigste: Verbindungen, die eine
   Rechenzentrumsgrenze queren. */

:root {
  color-scheme: light dark;
  --font: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
  --bg: #edf0f3;
  --panel: #ffffff;
  --ink: #17212b;
  --muted: #5a6877;
  --line: #d3dae1;
  --accent: #0f5e7e;
  --accent-ink: #ffffff;
  --signal: #c4420d;
  --signal-bg: rgba(196, 66, 13, 0.09);
  --warn-bg: #fff4de;
  --warn-line: #d9a441;
  --danger: #b3261e;
  --kante: #7d8b99;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11171d;
    --panel: #1a222b;
    --ink: #e6ebf0;
    --muted: #9aa7b4;
    --line: #2d3945;
    --accent: #5bb4d6;
    --accent-ink: #08212c;
    --signal: #ff8a50;
    --signal-bg: rgba(255, 138, 80, 0.12);
    --warn-bg: #33290f;
    --warn-line: #a47b22;
    --danger: #ff7b72;
    --kante: #6c7a88;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; font: 14px/1.5 var(--font); background: var(--bg); color: var(--ink); }
h1, h2, h3 { line-height: 1.25; margin: 0; }
h2 { font-size: 1.2rem; }
h3 { font-size: 0.95rem; margin: 1.1rem 0 0.4rem; }
p { margin: 0 0 0.6rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 0.93em; }
.fehler { color: var(--danger); }
.hinweis { color: var(--muted); font-size: 0.92em; margin: 0.3rem 0 0.6rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Schaltflächen und Felder */
button, select, input, textarea { font: inherit; color: inherit; }
button {
  border: 1px solid var(--line); background: var(--panel); border-radius: 6px;
  padding: 0.38rem 0.8rem; cursor: pointer;
}
button:hover:not(:disabled) { background: var(--bg); }
button:disabled { opacity: 0.55; cursor: default; }
button.primaer { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primaer:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
button.gefahr { color: var(--danger); border-color: var(--danger); }
button.leise { border-color: transparent; background: transparent; color: var(--muted); }
button.leise:hover:not(:disabled) { color: var(--ink); background: var(--bg); }
button[aria-pressed="true"] { background: var(--signal-bg); border-color: var(--signal); color: var(--signal); }
button.text { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; }

input[type="text"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 0.4rem 0.55rem; background: var(--panel);
}
textarea { resize: vertical; }
label.check { display: inline-flex; align-items: center; gap: 0.35rem; font-weight: 400; }
label.check input { width: auto; }

/* ---------- Anmeldung */
.login { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.75rem; width: min(380px, 100%); }
.login-box h1 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.login-box label { display: block; margin: 0.9rem 0 0.2rem; font-weight: 600; }
.login-box button { margin-top: 1.1rem; width: 100%; padding: 0.55rem; }

/* ---------- Rahmen */
#app { display: flex; flex-direction: column; height: 100vh; }
.kopf {
  display: flex; align-items: center; gap: 1rem; padding: 0 1rem; min-height: 52px;
  background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.marke { font-weight: 700; font-size: 1.05rem; padding-right: 0.5rem; }
.reiter { display: flex; gap: 2px; overflow-x: auto; flex: 1; }
.reiter button { border: 0; background: none; border-radius: 0; padding: 0.95rem 0.75rem 0.8rem; color: var(--muted); box-shadow: inset 0 -3px 0 transparent; }
.reiter button:hover { color: var(--ink); background: none; }
.reiter button[aria-current="page"] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -3px 0 var(--accent); }
.kopf-rechts { display: flex; align-items: center; gap: 0.6rem; }
.stand { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; }
.stand select { width: auto; max-width: 17rem; }

main { flex: 1; min-height: 0; display: flex; }
.ansicht { flex: 1; min-width: 0; min-height: 0; }

/* ---------- Plan */
.plan { display: grid; grid-template-columns: minmax(0, 1fr) 340px; }
.planflaeche { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.werkzeuge {
  display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; padding: 0.5rem 0.75rem;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.werkzeuge input[type="search"] { width: 17rem; }
.werkzeuge select { width: auto; max-width: 13rem; }
.abstand { flex: 1; }
.hinweisleiste { padding: 0.45rem 0.9rem; background: var(--signal-bg); border-bottom: 1px solid var(--signal); color: var(--ink); }
#cy {
  flex: 1; min-height: 320px;
  background-color: var(--bg);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px);
  background-size: 22px 22px;
}
#cy.verbinden { cursor: crosshair; }

.seite { background: var(--panel); border-left: 1px solid var(--line); padding: 1rem; overflow: auto; }
.seite h2 { margin-bottom: 0.4rem; overflow-wrap: anywhere; }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.25rem 0.9rem; margin: 0.5rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.liste { list-style: none; margin: 0; padding: 0; }
.liste li { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.22rem 0; border-bottom: 1px solid var(--line); }
.liste li:last-child { border-bottom: 0; }
.liste .verb { flex: 1; display: flex; justify-content: space-between; gap: 0.6rem; text-align: left; border: 0; background: none; padding: 0.15rem 0; }
.liste .verb:hover { background: none; text-decoration: underline; }
.knopfzeile { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.marke-grenze {
  display: inline-block; padding: 0 0.4rem; border: 1px solid var(--signal); color: var(--signal);
  border-radius: 4px; font-size: 0.85em; white-space: nowrap;
}
.grenzhinweis { border-left: 4px solid var(--signal); background: var(--signal-bg); padding: 0.45rem 0.65rem; border-radius: 0 6px 6px 0; }
.warnhinweis, .warnbox { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 6px; padding: 0.5rem 0.75rem; }
.warnbox ul { margin: 0.3rem 0 0; padding-left: 1.2rem; }
.tipps { padding-left: 1.1rem; margin: 0; color: var(--muted); }
.tipps li { margin-bottom: 0.25rem; }
.mini { width: 100%; border-collapse: collapse; font-size: 0.93em; }
.mini th { text-align: left; color: var(--muted); font-weight: 600; padding: 0.2rem 0.4rem 0.2rem 0; }
.mini td { padding: 0.2rem 0.4rem 0.2rem 0; border-top: 1px solid var(--line); }

.legende { list-style: none; margin: 0; padding: 0; }
.legende li { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.35rem; }
.sw { display: inline-block; width: 28px; flex: none; border-top: 3px solid var(--kante); }
.sw-cross { border-color: var(--signal); border-top-width: 4px; }
.sw-noports { border-top-style: dashed; }
.sw-geplant, .sw-umgezogen { height: 14px; border: 2px dashed var(--accent); border-radius: 4px; }
.sw-umgezogen { border: 4px solid var(--accent); }

/* ---------- Tabellenansichten */
.ansicht.tab { padding: 1rem 1.25rem 2rem; overflow: auto; }
.viewkopf { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.6rem; }
.viewkopf.unter { margin-top: 1.8rem; }
.viewkopf h3 { margin: 0; font-size: 1.05rem; }
.aktionen { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tabbar { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.5rem; }
.tabbar input { max-width: 22rem; }
.tscroll { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.tab { width: 100%; border-collapse: collapse; }
.tab th { text-align: left; position: sticky; top: 0; background: var(--panel); border-bottom: 1px solid var(--line); padding: 0; }
.tab th button { border: 0; background: none; font-weight: 600; padding: 0.55rem 0.75rem; width: 100%; text-align: inherit; border-radius: 0; }
.tab th.num, .tab td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tab td { padding: 0.5rem 0.75rem; border-top: 1px solid var(--line); vertical-align: top; }
.tab tbody tr:first-child td { border-top: 0; }
.tab tr.klick { cursor: pointer; }
.tab tr.klick:hover td { background: var(--bg); }
.tab td.leer { color: var(--muted); text-align: center; padding: 1.5rem; }

/* ---------- Dialog */
dialog {
  border: 1px solid var(--line); border-radius: 12px; padding: 0; background: var(--panel); color: var(--ink);
  width: min(560px, 94vw); max-height: 92vh; overflow: hidden;
}
dialog[open] { display: flex; flex-direction: column; }
dialog.breit { width: min(940px, 96vw); }
dialog::backdrop { background: rgba(10, 18, 26, 0.55); }
.dlg-kopf { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.1rem 0.4rem; }
.dlg-body { padding: 0.5rem 1.1rem; overflow: auto; flex: 1; }
.dlg-fuss { display: flex; justify-content: flex-end; gap: 0.5rem; padding: 0.8rem 1.1rem; border-top: 1px solid var(--line); flex-wrap: wrap; }
#dlg-fehler { margin: 0; padding: 0.5rem 1.1rem; background: var(--signal-bg); }

.feld { margin-bottom: 0.85rem; }
.feld > label:not(.check) { display: block; font-weight: 600; margin-bottom: 0.2rem; }
.opt { font-weight: 400; color: var(--muted); }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 0.6rem 0.85rem 0.3rem; margin: 0 0 0.9rem; min-width: 0; }
legend { font-weight: 600; padding: 0 0.3rem; }
.zweispaltig { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.inline { display: flex; gap: 0.5rem; align-items: center; margin: 0.4rem 0 0.6rem; }
.inline.rechts { justify-content: flex-end; margin-top: -0.3rem; }
.inline input { flex: 1; }
.appbox .liste li { padding: 0.3rem 0; }

.porttab { width: 100%; border-collapse: collapse; min-width: 720px; }
.porttab th { text-align: left; font-weight: 600; color: var(--muted); padding: 0.2rem 0.3rem; font-size: 0.92em; }
.porttab td { padding: 0.2rem 0.3rem; }
.porttab td:nth-child(1) { width: 22%; }
.porttab td:nth-child(2) { width: 10%; }
.porttab td:nth-child(3), .porttab td:nth-child(4) { width: 11%; }
.porttab td:nth-child(5) { width: 15%; }
.porttab td:last-child { width: 2.5rem; }

/* ---------- Hinweise */
.toasts { position: fixed; left: 50%; bottom: 1.2rem; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.4rem; z-index: 10; pointer-events: none; }
.toast { background: var(--ink); color: var(--panel); padding: 0.5rem 0.9rem; border-radius: 8px; max-width: min(90vw, 560px); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25); }
.toast.fehler { background: var(--danger); color: #fff; }

/* ---------- Schmale Bildschirme */
@media (max-width: 960px) {
  .plan { grid-template-columns: 1fr; grid-template-rows: minmax(360px, 1fr) auto; }
  .seite { border-left: 0; border-top: 1px solid var(--line); max-height: 40vh; }
  .zweispaltig { grid-template-columns: 1fr; }
  .werkzeuge input[type="search"] { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }