:root {
  --brand: #0b5470;
  --brand-dark: #073a4f;
  --accent: #0f8fae;
  --bg: #f4f7f8;
  --panel: #ffffff;
  --border: #dde3e6;
  --text: #1c2b30;
  --text-muted: #667479;
  --danger: #c1443b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-header {
  background: #ffffff;
  color: var(--text);
  padding: 14px 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 3px solid var(--brand);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  height: 50px;
  width: auto;
}

.brand-name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--brand-dark);
}

.brand-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.meta-fields {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.meta-fields label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  color: var(--text-muted);
  gap: 4px;
}

.meta-fields input {
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  min-width: 240px;
}

.header-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}
.admin-link:hover {
  color: var(--brand-dark);
  border-color: var(--brand);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 18px;
  align-items: start;
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
}

.catalog, .offer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  min-width: 0;
}

.catalog {
  max-height: calc(100vh - 130px);
  overflow-y: auto;
  position: sticky;
  top: 18px;
}

.catalog-head h2, .offer-head h2 {
  margin: 0 0 10px 0;
  font-size: 1.1rem;
  color: var(--brand-dark);
}

#search {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

.group {
  border-bottom: 1px solid var(--border);
}
.group:last-child { border-bottom: none; }

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 4px;
  cursor: pointer;
  user-select: none;
}

.group-header .g-name {
  font-weight: 600;
  color: var(--brand-dark);
  font-size: 0.92rem;
}

.group-header .g-count {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.group-items {
  display: none;
  padding: 0 0 8px 0;
}

.group.open .group-items { display: block; }

.group.open .group-header .g-arrow { transform: rotate(90deg); }
.g-arrow { display: inline-block; transition: transform 0.15s; margin-right: 6px; color: var(--accent); }

.catalog-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.catalog-item:hover {
  background: #eef6f8;
}

.ci-info { flex: 1; }
.ci-pos { color: var(--text-muted); font-size: 0.75rem; margin-right: 6px; }
.ci-text { white-space: pre-line; line-height: 1.35; }
.ci-unit { color: var(--text-muted); font-size: 0.75rem; }
.ci-price { font-weight: 600; white-space: nowrap; margin-left: 8px; }

.add-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}
.add-btn:hover { background: var(--brand); }
.add-btn:disabled { background: #9fb8bf; cursor: default; }

.offer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.offer-head-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.offer-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.offer-actions .status-msg {
  font-size: 0.8rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.icon-btn svg {
  width: 20px;
  height: 20px;
}
.btn-primary.icon-btn,
.btn-secondary.icon-btn {
  padding: 0;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn-primary:hover { background: var(--brand-dark); }

.empty-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 20px 0;
  text-align: center;
}

.offer-group {
  margin-bottom: 14px;
}

.offer-group-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  background: var(--brand);
  padding: 6px 10px;
  border-radius: 5px;
  margin-bottom: 6px;
}

.offer-group-subtotal {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--brand-dark);
  padding: 6px 6px 2px;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}

.group-recap {
  margin: 6px 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}

.group-recap-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--brand-dark);
  margin-bottom: 6px;
}

.group-recap-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 3px 0;
}

.offer-table-wrap {
  overflow-x: auto;
}

table.offer-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

table.offer-table th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 6px 6px;
}

table.offer-table td {
  padding: 7px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.oi-text { white-space: pre-line; line-height: 1.35; }
.oi-pos { color: var(--text-muted); font-size: 0.72rem; }

.qty-input {
  width: 60px;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  text-align: right;
}

.col-num { text-align: right; white-space: nowrap; }

.remove-btn {
  border: none;
  background: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}
.remove-btn:hover { text-decoration: underline; }

.col-control {
  text-align: center;
  white-space: nowrap;
}

.move-btns {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.move-btn {
  width: 20px;
  height: 16px;
  padding: 0;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 3px;
  font-size: 0.55rem;
  line-height: 1;
  color: var(--brand-dark);
  cursor: pointer;
}
.move-btn:hover:not(:disabled) { background: #eef6f8; }
.move-btn:disabled { opacity: 0.3; cursor: default; }

.eventual-toggle-mini {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.62rem;
  color: var(--text-muted);
  cursor: pointer;
  margin-top: 3px;
  white-space: nowrap;
}
.eventual-toggle-mini input {
  width: 11px;
  height: 11px;
  margin: 0;
}

tr.row-eventual { background: #fffaf0; }
tr.row-eventual .oi-text, tr.row-eventual .bez-input { font-style: italic; }

.eventual-badge {
  display: inline-block;
  margin-top: 3px;
  font-size: 0.65rem;
  font-style: normal;
  font-weight: 600;
  background: #8a5a12;
  color: #fff;
  padding: 1px 7px;
  border-radius: 4px;
}

.unit-input, .bez-input, .price-input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.85rem;
  resize: vertical;
}

.text-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 7px 6px;
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.text-row.row-eventual { background: #fffaf0; }

.text-bez {
  flex: 1;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.85rem;
  font-style: italic;
  resize: vertical;
}

@media print {
  .text-row { break-inside: avoid; }
  tr.row-eventual { break-inside: avoid; }
}

.totals {
  margin-top: 18px;
  border-top: 2px solid var(--brand-dark);
  padding-top: 12px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 6px;
  font-size: 0.95rem;
}

.totals-final {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brand-dark);
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 10px;
}

.discount-label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.discount-input {
  width: 60px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  text-align: right;
}

#discountBetrag {
  color: var(--danger);
}

#subtotalRow {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.print-only { display: none; }
.print-only-inline { display: none; }

.print-header {
  margin-bottom: 18px;
}
.print-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.print-logo {
  height: 56px;
  width: auto;
}
.print-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brand-dark);
}
.print-title {
  font-size: 1.1rem;
  margin-top: 2px;
  color: var(--text);
}
.print-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

@media print {
  .no-print { display: none !important; }
  .print-only { display: block !important; }
  .print-only-inline { display: inline !important; }
  body { background: #fff; }
  .layout { display: block; padding: 0; }
  .offer { border: none; padding: 0; }
  .catalog { display: none; }
  .offer-group-title,
  tr.row-eventual,
  .text-row.row-eventual,
  .eventual-badge {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ---- Mobile optimizations ---- */

@media (max-width: 640px) {
  .app-header {
    padding: 10px 14px;
    gap: 10px;
  }

  .brand { gap: 10px; }

  .brand-logo { height: 36px; }

  .brand-name { font-size: 1.05rem; }

  .brand-sub { font-size: 0.72rem; }

  .meta-fields {
    width: 100%;
    gap: 10px;
  }

  .meta-fields label {
    flex: 1 1 auto;
    min-width: 0;
  }

  .meta-fields input {
    min-width: 0;
    width: 100%;
  }

  .admin-link {
    font-size: 0.75rem;
    padding: 5px 10px;
  }

  .layout {
    padding: 10px;
    gap: 12px;
  }

  .catalog, .offer {
    padding: 12px;
  }

  .catalog {
    position: static;
    max-height: none;
  }

  .catalog-item {
    flex-wrap: wrap;
  }

  .ci-price {
    margin-left: auto;
  }

  .add-btn {
    width: 34px;
    height: 34px;
    font-size: 1.15rem;
  }

  .move-btn {
    width: 28px;
    height: 24px;
    font-size: 0.7rem;
  }

  .eventual-toggle-mini {
    font-size: 0.68rem;
  }
  .eventual-toggle-mini input {
    width: 14px;
    height: 14px;
  }

  .remove-btn {
    font-size: 1.3rem;
    padding: 4px;
  }

  .offer-head-actions {
    width: 100%;
  }
  .offer-head-actions .btn-secondary {
    flex: 1;
  }

  .offer-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .offer-actions .status-msg {
    text-align: center;
  }
  .offer-actions .btn-primary,
  .offer-actions .btn-secondary {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }
  .offer-actions .icon-btn.btn-primary,
  .offer-actions .icon-btn.btn-secondary {
    width: 46px;
    height: 46px;
    padding: 0;
    align-self: center;
  }

  .angebot-row {
    flex-direction: column;
    align-items: stretch;
  }
  .angebot-actions {
    width: 100%;
  }
  .angebot-actions .btn-primary,
  .angebot-actions .btn-danger {
    flex: 1;
    text-align: center;
    padding: 10px 12px;
  }

  .totals-row { font-size: 0.9rem; }
  .totals-final { font-size: 1.02rem; }

  .login-box {
    width: 90%;
    max-width: 320px;
    padding: 22px 20px;
  }

  .admin-toolbar {
    position: static;
  }

  .admin-toolbar-left, .admin-toolbar-right {
    width: 100%;
  }
  .admin-toolbar input[type="text"] {
    min-width: 0;
    flex: 1;
  }
}

/* ---- Admin area ---- */

.btn-secondary {
  background: #fff;
  color: var(--brand-dark);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}
.btn-secondary:hover { background: #eef6f8; }

.btn-danger {
  background: #fff;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}
.btn-danger:hover { background: #fbeceb; }

.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 58, 79, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.login-box {
  background: #fff;
  padding: 28px 32px;
  border-radius: 10px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.login-box h2 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--brand-dark);
}

.login-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-box input[type="password"] {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.login-error {
  margin: 0;
  font-size: 0.82rem;
  color: var(--danger);
  min-height: 1em;
}

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  position: sticky;
  top: 12px;
  z-index: 10;
}

.admin-toolbar-left, .admin-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-toolbar input[type="text"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  min-width: 200px;
}

.status-msg {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.status-msg.status-ok { color: #1a7a3c; }
.status-msg.status-err { color: var(--danger); }

.admin-group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

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

.group-name-input {
  flex: 1;
  min-width: 200px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--brand-dark);
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.angebot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.angebot-name {
  font-weight: 700;
  color: var(--brand-dark);
  font-size: 1rem;
}

.angebot-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.angebot-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.angebot-actions .btn-primary {
  padding: 8px 14px;
  font-size: 0.85rem;
  text-decoration: none;
  display: inline-block;
}

.admin-table-wrap {
  overflow-x: auto;
}

table.admin-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

table.admin-table th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 6px 4px;
}

table.admin-table td {
  padding: 5px 4px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.admin-table input,
table.admin-table textarea {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 0.85rem;
  font-family: inherit;
  resize: vertical;
}