:root {
  --bg: #ffffff;
  --bg-sunken: #f4f4f4;
  --border: #d8d8d8;
  --border-strong: #b4b4b4;
  --text: #1b1b1b;
  --text-muted: #63666a;
  --accent: #0072c6;
  --accent-dark: #005a9e;
  --danger: #a4262c;
  --ok: #107c10;
  --row-selected: #cde6f7;
  --row-hover: #eaeaea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 400 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
}

button, input, select, textarea { font: inherit; color: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunken);
}
.topbar strong { font-weight: 600; }
.topbar .who { color: var(--text-muted); font-size: 13px; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }

h1 { font-size: 26px; font-weight: 300; margin: 0 0 1rem; }
h2 { font-size: 20px; font-weight: 300; margin: 0 0 1.25rem; }

/* ------------------------------------------------------------- Werkzeugleiste */
.toolbar { display: flex; gap: .25rem; margin-bottom: .5rem; }
.toolbar button {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: none; border: 1px solid transparent; border-radius: 2px;
  cursor: pointer; color: var(--text-muted);
}
.toolbar button:hover:not(:disabled) { background: var(--row-hover); color: var(--text); }
.toolbar button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.toolbar button:disabled { opacity: .35; cursor: default; }
.toolbar button svg { width: 17px; height: 17px; fill: currentColor; }

.search { width: 100%; padding: .45rem .6rem; border: 1px solid var(--border-strong); margin-bottom: .5rem; }
.search:focus { outline: none; border-color: var(--accent); }

/* -------------------------------------------------------------------- Tabelle */
table.grid { width: 100%; border-collapse: collapse; border: 1px solid var(--border); }
table.grid th {
  text-align: left; font-weight: 600; font-size: 13px;
  padding: .5rem .75rem; background: var(--bg-sunken);
  border-bottom: 1px solid var(--border);
}
table.grid td { padding: .45rem .75rem; border-bottom: 1px solid #ececec; }
table.grid tbody tr { cursor: pointer; }
table.grid tbody tr:hover { background: var(--row-hover); }
table.grid tbody tr[aria-selected="true"] { background: var(--row-selected); }
table.grid .empty td { text-align: center; color: var(--text-muted); padding: 2rem; cursor: default; }
table.grid .empty:hover { background: none; }

/* -------------------------------------------------------------------- Dialoge */
dialog {
  border: 1px solid var(--border-strong); padding: 0; width: min(920px, 94vw);
  box-shadow: 0 8px 28px rgba(0,0,0,.24);
}
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog.narrow { width: min(500px, 94vw); }
.dialog-body { padding: 1.5rem; }
.dialog-foot {
  display: flex; justify-content: flex-end; gap: .5rem;
  padding: .85rem 1.5rem; border-top: 1px solid var(--border); background: var(--bg-sunken);
}

.detail { display: grid; grid-template-columns: 15rem 1fr; min-height: 420px; }
.tabs { border-right: 1px solid var(--border); padding: 1.5rem 0; }
.tabs button {
  display: block; width: 100%; text-align: left;
  padding: .5rem 1.25rem; background: none; border: 0; cursor: pointer;
  text-transform: uppercase; font-size: 12px; letter-spacing: .04em; color: var(--text);
  /* "Mitgliedschaftsgenehmigung" passt in keine sinnvolle Spaltenbreite und hat
     keine Trennstelle, an der ein Umbruch von allein entstehen wuerde. */
  overflow-wrap: anywhere;
  line-height: 1.35;
}
.tabs button:hover { background: var(--row-hover); }
.tabs button[aria-current="true"] { color: var(--accent); font-weight: 600; }
.tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.pane { padding: 1.5rem; overflow: auto; max-height: 70vh; }

/* ------------------------------------------------------------------ Formulare */
.field { margin-bottom: 1rem; }
.field > label { display: block; margin-bottom: .25rem; }
.field input[type="text"], .field textarea, .field select {
  width: 100%; padding: .4rem .5rem; border: 1px solid var(--border-strong); background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field input:disabled, .field textarea:disabled { background: var(--bg-sunken); color: var(--text-muted); }
.field textarea { min-height: 96px; resize: vertical; }
.req::before { content: "*"; color: var(--danger); margin-right: .15rem; }
.hint { color: var(--text-muted); font-size: 12px; margin: .25rem 0 0; }
.note { color: var(--text-muted); margin: 0 0 1rem; }

.radio { display: block; margin-bottom: .6rem; }
.radio input { margin-right: .4rem; }
.check { display: block; margin-bottom: .85rem; }
.check input { margin-right: .4rem; }

/* ------------------------------------------------------- Empfaengerlisten +/- */
.picker .picker-tools { display: flex; gap: .25rem; margin-bottom: .35rem; }
.picker .picker-tools button {
  width: 28px; height: 28px; border: 1px solid transparent; background: none;
  cursor: pointer; color: var(--text-muted); font-size: 18px; line-height: 1; border-radius: 2px;
}
.picker .picker-tools button:hover:not(:disabled) { background: var(--row-hover); color: var(--text); }
.picker .picker-tools button:disabled { opacity: .35; cursor: default; }
.picker ul {
  list-style: none; margin: 0; padding: 0;
  border: 1px solid var(--border-strong); min-height: 180px; max-height: 260px; overflow: auto;
}
.picker li { padding: .35rem .6rem; cursor: pointer; }
.picker li:hover { background: var(--row-hover); }
.picker li[aria-selected="true"] { background: var(--row-selected); font-weight: 600; }
.picker li.placeholder { color: var(--text-muted); cursor: default; }
.picker li.placeholder:hover { background: none; }
.picker li .addr { color: var(--text-muted); font-weight: 400; }
.picker li.unresolved { color: var(--danger); }

/* -------------------------------------------------------------------- Buttons */
.btn {
  padding: .4rem 1.1rem; border: 1px solid var(--border-strong);
  background: var(--bg-sunken); cursor: pointer; border-radius: 2px;
}
.btn:hover:not(:disabled) { background: var(--row-hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-dark); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }

/* -------------------------------------------------------------------- Meldungen */
.msg { padding: .6rem .85rem; margin-bottom: 1rem; border-left: 3px solid; }
.msg.error { background: #fdf3f4; border-color: var(--danger); color: #6d191d; }
.msg.ok { background: #f1f8f1; border-color: var(--ok); color: #0b4d0b; }
.msg[hidden] { display: none; }

.busy { color: var(--text-muted); padding: 2rem; text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}