:root {
  --header-farbe: #5B8E9F;
  --offen-bg: #FFC7CE;
  --offen-fg: #9C0006;
  --geliefert-bg: #C6EFCE;
  --geliefert-fg: #006100;
  --gelb-bg: #FFEB9C;
  --gelb-fg: #9C6500;
  --border: #d8dee3;
  --bg: #f4f6f7;
  --panel-bg: #ffffff;
  --text: #1f2933;
  --muted: #64748b;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 620px at 16% 6%, rgba(22, 41, 65, 0.44) 0%, transparent 60%),
    #0a1420;
  color: var(--text);
}

.bg-copyright {
  text-align: center;
  padding: 22px 16px 28px;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: #4f6072;
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  max-width: 1400px;
  margin: 20px auto 0;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

header.app-header {
  background: var(--header-farbe);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

header.app-header h1 {
  margin: 0;
  font-size: 1.25rem;
}

nav.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #3f6b78;
  padding: 0 16px;
}

@media (max-width: 600px) {
  nav.tabs { flex-wrap: wrap; }
  nav.tabs button { padding: 10px 13px; font-size: 0.88rem; }
}

nav.tabs button {
  background: transparent;
  border: none;
  color: #fff;
  opacity: 0.75;
  padding: 10px 18px;
  cursor: pointer;
  font-size: 0.95rem;
  border-bottom: 3px solid transparent;
}

nav.tabs button.active {
  opacity: 1;
  border-bottom-color: #fff;
  font-weight: 600;
}

.tab-trenner { width: 1px; height: 20px; background: rgba(255, 255, 255, 0.25); flex-shrink: 0; }

main {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg);
  border-radius: 0 0 14px 14px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

section.view { display: none; }
section.view.active { display: block; }

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-header h2 {
  margin: 0;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

input[type="text"], input[type="number"], input[type="date"], select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
}

.toolbar input[type="text"], .toolbar select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

button {
  background: var(--header-farbe);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.9rem;
}

button:hover { filter: brightness(1.08); }
button.secondary { background: #8aa4ab; }
button.danger { background: #c0392b; }
button.small { padding: 4px 9px; font-size: 0.8rem; }
button:disabled { opacity: 0.7; cursor: default; filter: none; }

.spinner {
  display: none;
  width: 15px;
  height: 15px;
  margin-left: 8px;
  vertical-align: middle;
  border: 2px solid var(--border);
  border-top-color: var(--header-farbe);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner.aktiv { display: inline-block; }
.spinner-label {
  display: none;
  margin-left: 6px;
  color: var(--muted);
  font-size: 0.85rem;
}
.spinner-label.aktiv { display: inline; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

thead th {
  background: var(--header-farbe);
  color: #fff;
  text-align: left;
  padding: 8px 10px;
}

tbody td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:nth-child(even) { background: #fafbfc; }

.table-scroll { overflow-x: auto; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #333;
}

.status-offen { background: var(--offen-bg); color: var(--offen-fg); }
.status-geliefert { background: var(--geliefert-bg); color: var(--geliefert-fg); }

.hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-state {
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.katalog-hit {
  border: 1px dashed var(--header-farbe);
  border-radius: 6px;
  padding: 10px;
  margin-top: 10px;
  font-size: 0.88rem;
  background: #f0f6f8;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}
.field-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--muted);
}
.field-grid input {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
}

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  max-width: 480px;
  width: 90%;
}
.modal h3 { margin-top: 0; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #1f2933;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.88rem;
  z-index: 60;
  max-width: 360px;
}
.toast.error { background: #c0392b; }

.auth-status {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
}
.auth-status .link-btn {
  background: none;
  border: none;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  padding: 0;
}
@media (max-width: 600px) {
  header.app-header { flex-wrap: wrap; row-gap: 4px; }
  .auth-status { flex-basis: 100%; order: 3; margin-left: 0; }
}

.fall-banner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 20px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fall-banner.aktiv {
  background: var(--geliefert-bg);
  color: var(--geliefert-fg);
  font-weight: 600;
}
.fall-banner.leer {
  background: #e5e9ec;
  color: var(--muted);
}
.fall-banner .link-btn {
  background: none;
  border: none;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  font-weight: 400;
  padding: 0;
  margin-left: auto;
}

.start-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 120px);
  padding: 40px 20px;
  text-align: center;
}
.start-titel {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--header-farbe);
  letter-spacing: 0.03em;
  margin-bottom: 36px;
}
.start-screen h2 {
  margin-bottom: 28px;
  font-size: 1.4rem;
}