:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1c2128;
  --text-muted: #5b6472;
  --primary: #2454ff;
  --primary-dark: #1a3fd6;
  --danger: #d33636;
  --danger-bg: #fdeaea;
  --success: #1c8a4b;
  --success-bg: #e8f6ee;
  --warn-bg: #fff6e0;
  --warn-text: #8a6d1c;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.subtitle { color: var(--text-muted); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.save-status { font-size: 12px; color: var(--text-muted); transition: color .2s; }
.save-status.pending { color: var(--warn-text); }
.save-status.error { color: var(--danger); }
.topbar-user { font-size: 12px; color: var(--text-muted); }
.topbar-user .role-tag {
  display: inline-block; margin-left: 4px; padding: 1px 7px; border-radius: 999px;
  background: #eef1f6; color: var(--text-muted); font-size: 11px; font-weight: 600;
}

/* Login-Seite */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100%; }
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 36px; width: min(360px, 90vw); box-shadow: 0 4px 18px rgba(0,0,0,.06);
}
.login-card h1 { font-size: 18px; margin: 0 0 4px; }
.login-card .subtitle { display: block; margin-bottom: 22px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-muted); }
.login-card input {
  padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; font-family: inherit;
}
.login-card .btn { width: 100%; text-align: center; padding: 10px; }
.login-error { background: var(--danger-bg); color: var(--danger); padding: 8px 10px; border-radius: 6px; font-size: 12px; }
.login-error.hidden { display: none; }

/* Generisches Modal (z.B. Passwort ändern) */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20, 24, 30, 0.35);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--surface); border-radius: var(--radius); padding: 22px 24px;
  width: min(380px, 92vw); box-shadow: 0 8px 28px rgba(0,0,0,.18);
}
.modal-box h2 { margin: 0 0 16px; font-size: 16px; }
.modal-box form { display: flex; flex-direction: column; gap: 12px; }
.modal-box label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-muted); }
.modal-box input { padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; font-family: inherit; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.modal-error { background: var(--danger-bg); color: var(--danger); padding: 7px 9px; border-radius: 6px; font-size: 12px; }
.modal-error.hidden { display: none; }

/* Rollenbasierte Bedienbarkeit: serverseitig ohnehin über 403 abgesichert,
   hier nur die UI-Affordanzen für Read-Only ausblenden/deaktivieren. */
body.role-readonly .inline-input,
body.role-readonly .inline-select {
  pointer-events: none;
  opacity: .65;
}
body.role-readonly .write-only { display: none !important; }
.admin-only.hidden { display: none; }

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  color: var(--text);
  display: inline-block;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }
.btn-sm { padding: 4px 8px; font-size: 12px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  border: none;
  background: none;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  text-decoration: none;
  display: inline-block;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

main { padding: 20px 24px 60px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters select, .filters input { padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.filter-month-label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.filter-month-label input { padding: 5px 8px; border: 1px solid var(--border); border-radius: var(--radius); }

.forecast-toolbar { display: flex; justify-content: flex-end; margin-top: 4px; }
.forecast-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 14px;
}
.forecast-strip.hidden { display: none; }
.forecast-item {
  flex: 0 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  min-width: 90px;
  text-align: center;
}
.forecast-item .month { font-size: 11px; color: var(--text-muted); }
.forecast-item .amount { font-size: 13px; font-weight: 600; margin-top: 2px; }

.table-container { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 1100px; }
.simple-table { min-width: 0; width: 100%; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
thead th { background: #fafbfc; position: sticky; top: 0; font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--primary); }
.sort-arrow { font-size: 10px; opacity: .5; }
.sort-arrow.active { opacity: 1; color: var(--primary); font-weight: 700; }
tbody tr:hover { background: #fafcff; }
.col-name { min-width: 220px; }
.col-num { min-width: 130px; }
.col-ktr { min-width: 90px; max-width: 120px; }
.amount-negative { color: var(--danger); font-weight: 700; }
.deal-name { font-weight: 600; cursor: pointer; }
.deal-name:hover { text-decoration: underline; color: var(--primary); }
.deal-customer { color: var(--text-muted); font-size: 12px; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge-le { background: #e7ecff; color: #33449e; }
.badge-po { background: #f0e7ff; color: #6a3fb0; }
.badge-an { background: var(--warn-bg); color: var(--warn-text); }
.badge-au { background: var(--success-bg); color: var(--success); }
.badge-be { background: #dff5f1; color: #128075; }
.badge-lo { background: var(--danger-bg); color: var(--danger); }

.inline-select { border: 1px solid transparent; background: transparent; padding: 4px 6px; border-radius: 6px; font-size: 13px; cursor: pointer; }
.inline-select:hover { border-color: var(--border); }
.inline-input { border: 1px solid transparent; background: transparent; padding: 4px 6px; border-radius: 6px; font-size: 13px; width: 100%; }
.inline-input:hover, .inline-input:focus { border-color: var(--border); }

.dist-sum-badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.dist-ok { background: var(--success-bg); color: var(--success); }
.dist-warn { background: var(--warn-bg); color: var(--warn-text); }
.dist-none { background: #eee; color: var(--text-muted); }

.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 13px; padding: 0; }

.hint { color: var(--text-muted); font-size: 13px; margin-bottom: 12px; }
.add-row { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.add-row input { padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--radius); flex: 1; min-width: 140px; }

/* Drawer */
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(20, 24, 30, 0.35);
  display: flex; justify-content: flex-end; z-index: 100;
}
.drawer-overlay.hidden { display: none; }
.drawer {
  background: var(--surface); width: min(680px, 100%); height: 100%;
  display: flex; flex-direction: column; box-shadow: -8px 0 24px rgba(0,0,0,.15);
}
.drawer-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.drawer-header h2 { margin: 0; font-size: 16px; }
.drawer-body { padding: 16px 20px; overflow-y: auto; flex: 1; }
.drawer-actions { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }

.drawer-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.drawer-tab-btn { border: none; background: none; padding: 8px 10px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; font-size: 13px; }
.drawer-tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.dtab-panel { display: none; }
.dtab-panel.active { display: block; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-muted); }
.form-grid label.checkbox-label { flex-direction: row; align-items: center; gap: 8px; }
.form-grid input, .form-grid select, textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; font-family: inherit; color: var(--text);
}
textarea { width: 100%; resize: vertical; }
.drawer-footer-info { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 13px; }

.dist-actions { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.dist-sum { margin-left: auto; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: #eee; }

.attachments-list, .changelog-list { list-style: none; padding: 0; margin: 10px 0 0; }
.attachments-list li, .changelog-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.changelog-list li { display: block; }
.changelog-list .cl-field { font-weight: 600; }
.changelog-list .cl-time { color: var(--text-muted); font-size: 11px; }
.changelog-list .cl-diff { margin-top: 2px; }

.empty-state { text-align: center; color: var(--text-muted); padding: 40px 0; }

/* Umsatzübersicht / Fakturierung */
.revenue-banner {
  display: flex; align-items: center; gap: 12px; margin-top: 12px;
  padding: 10px 14px; background: var(--warn-bg); color: var(--warn-text);
  border: 1px solid #f0dca0; border-radius: var(--radius); font-size: 13px;
}
.revenue-banner.hidden { display: none; }
.invoice-month-block {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 10px;
}
.invoice-month-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.invoice-month-name { font-weight: 600; }
.invoice-month-subtotal { color: var(--text-muted); font-size: 13px; }
.invoice-position-rows { display: flex; flex-direction: column; gap: 6px; }
.invoice-position-row {
  display: grid; grid-template-columns: 2fr 1fr 0.8fr 1fr 0.9fr auto; gap: 8px; align-items: center;
}
.invoice-position-row .invoice-label, .invoice-position-row .invoice-amount,
.invoice-position-row .invoice-quantity, .invoice-position-row .invoice-unit {
  border: 1px solid var(--border); padding: 6px 8px; border-radius: 6px; font-size: 13px;
}
.invoice-line-total { font-size: 13px; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.invoice-position-row.invoice-position-header {
  padding: 0 0 2px; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em;
}
.invoice-month-actions { display: flex; gap: 8px; margin-top: 8px; }
.invoice-summary { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 13px; display: flex; flex-direction: column; gap: 4px; }

.print-only { display: none; }
.print-meta { color: var(--text-muted); font-size: 13px; margin-bottom: 20px; }
.print-meta div { margin-bottom: 2px; }
.print-table { border-collapse: collapse; width: 100%; margin-top: 12px; }
.print-table th, .print-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; }
.print-table th { background: #fafbfc; text-transform: uppercase; font-size: 11px; color: var(--text-muted); letter-spacing: .03em; }
.print-table td.num, .print-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.print-table tfoot td { font-weight: 700; border-top: 2px solid var(--text); border-bottom: none; padding-top: 10px; }

@media print {
  .topbar, .tabs, .toolbar, .drawer-overlay { display: none !important; }
  body.printing-invoice > *:not(#invoicePrintArea) { display: none !important; }
  body.printing-invoice #invoicePrintArea { display: block !important; }
}