:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #dfe4ea;
  --text: #1d2733;
  --muted: #6b7785;
  --accent: #1d6fb8;
  --accent-dark: #185a94;
  --accent-bg: #eaf3fb;
  --gruen: #1f8a54;
  --gruen-bg: #e8f5ee;
  --fehler: #c0392b;
  --fehler-bg: #fdeceb;
  --gelb: #b7791f;
  --gelb-bg: #fdf5e5;
  --radius: 10px;
  --schatten: 0 1px 3px rgba(20, 30, 45, .08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

.hidden { display: none !important; }

button {
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  width: 100%;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

/* -- Login ---------------------------------------------------------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 340px;
  box-shadow: var(--schatten);
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .hint { margin: 0 0 20px; color: var(--muted); font-size: 13px; }
.login-card button { width: 100%; margin-top: 4px; }

/* -- App shell -------------------------------------------------------- */
.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  flex-wrap: wrap;
}
.topbar-titel { display: flex; flex-direction: column; line-height: 1.2; }
.topbar-titel strong { font-size: 16px; }
.firma-name { font-size: 12px; color: var(--muted); }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.tabs button {
  background: none;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 500;
}
.tabs button.aktiv { background: var(--accent-bg); color: var(--accent-dark); }
.tabs button:hover { background: var(--bg); }

.topbar-user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  padding: 4px 6px;
  text-decoration: underline;
  font-size: 13px;
}

main#views { padding: 20px; max-width: 1000px; margin: 0 auto; width: 100%; }

/* -- Buttons ------------------------------------------------------------ */
.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 500;
}
.btn:hover { background: var(--accent-dark); }
.btn.sekundaer {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.sekundaer:hover { background: var(--bg); }
.btn.gefahr { background: var(--fehler); }
.btn.klein { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }

/* -- Cards / tables -------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 16px; }
.card h3 { margin: 0 0 10px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }
tr:last-child td { border-bottom: none; }
td.zahl, th.zahl { text-align: right; font-variant-numeric: tabular-nums; }

.fehler { color: var(--fehler); background: var(--fehler-bg); padding: 8px 10px; border-radius: 6px; font-size: 13px; margin: 8px 0; }
.fehler:empty { display: none; }
.erfolg { color: var(--gruen); background: var(--gruen-bg); padding: 8px 10px; border-radius: 6px; font-size: 13px; margin: 8px 0; }
.erfolg:empty { display: none; }

.formzeile { display: flex; gap: 12px; flex-wrap: wrap; }
.formzeile > * { flex: 1; min-width: 160px; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--gruen-bg);
  color: var(--gruen);
  font-weight: 600;
}
.badge.inaktiv { background: #eef0f2; color: var(--muted); }

/* -- Spesen-Buttons ------------------------------------------------- */
.spesenarten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.spesenart-btn {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.spesenart-btn .titel { font-weight: 600; font-size: 14px; }
.spesenart-btn .satz { font-size: 12px; color: var(--muted); }
.spesenart-btn:hover { border-color: var(--accent); }
.spesenart-btn.aktiv { border-color: var(--accent); background: var(--accent-bg); }

.erfassen-form { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 6px; }

.summe-zeile { display: flex; justify-content: space-between; font-weight: 600; padding: 10px; background: var(--bg); border-radius: 8px; margin-top: 10px; }

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

.zusammenfassung-liste { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.zusammenfassung-liste li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.zusammenfassung-liste li:last-child { border-bottom: none; font-weight: 600; }

.modal-hintergrund {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50;
}
.modal {
  background: #fff; border-radius: var(--radius); padding: 24px; width: 100%; max-width: 420px;
  max-height: 90vh; overflow: auto; box-shadow: 0 10px 40px rgba(0,0,0,.15);
}
.modal h2 { margin-top: 0; }

.muted { color: var(--muted); font-size: 13px; }

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .tabs { justify-content: flex-start; }
  main#views { padding: 12px; }
}