:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #dfe3e8;
  --text: #2d3238;
  --muted: #7b8794;
  --primary: #0b7285;
  --primary-dark: #095c6d;
  --green: #2f9e44;
  --red: #c92a2a;
  --amber: #e67700;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  background: #1f2933;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 52px;
}
.topbar .brand { font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  color: #cbd2d9;
  padding: 6px 12px;
  border-radius: 6px;
}
.topbar nav a:hover { background: #323f4b; color: #fff; text-decoration: none; }
.topbar nav a.active { background: var(--primary); color: #fff; }
.topbar .userbox { color: #9aa5b1; font-size: 13px; }
.topbar .userbox a { color: #cbd2d9; margin-left: 10px; }

main { max-width: 1400px; margin: 0 auto; padding: 24px; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 24px 0 10px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
}

table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.list th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
table.list tr:hover td { background: #f8fafc; }
td.num, th.num { text-align: right; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.pending, .badge.processing { background: #fff4e6; color: var(--amber); }
.badge.done, .badge.approved { background: #ebfbee; color: var(--green); }
.badge.error { background: #fff5f5; color: var(--red); }
.badge.review { background: #e7f5ff; color: #1971c2; }
.badge.rule { background: #f3f0ff; color: #6741d9; }
.badge.ai { background: #e3fafc; color: #0b7285; }
.badge.manual { background: #f1f3f5; color: #495057; }

button, .btn {
  font: inherit;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
}
button:hover, .btn:hover { background: #f1f3f5; text-decoration: none; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); }
button.success { background: var(--green); border-color: var(--green); color: #fff; }
button.success:hover { background: #2b8a3e; }
button.danger { color: var(--red); }
button.danger:hover { background: #fff5f5; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.small, .btn.small { padding: 4px 9px; font-size: 12px; }
.btn.primary-btn { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary-btn:hover { background: var(--primary-dark); }

input, select, textarea {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 9px;
  background: #fff;
  color: var(--text);
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #99e9f2; border-color: var(--primary); }
label { display: block; font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.field { margin-bottom: 10px; }

.grid { display: grid; gap: 10px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.muted { color: var(--muted); }
.small-text { font-size: 12px; }

/* Rechnungskarte im Bexio-Stil */
.invoice-card { display: grid; grid-template-columns: minmax(420px, 1fr) minmax(380px, 560px); gap: 18px; }
@media (max-width: 1000px) { .invoice-card { grid-template-columns: 1fr; } }
.invoice-fields { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.invoice-fields .col-2 { grid-column: span 2; }
.invoice-fields .col-3 { grid-column: span 3; }
.invoice-fields .col-6 { grid-column: span 6; }
.pdf-frame { width: 100%; height: 520px; border: 1px solid var(--border); border-radius: 6px; background: #eee; display: block; }

/* Vorschau: scrollbar; Grossansicht ueber den Button oben rechts */
.pdf-preview { position: relative; }
.pdf-preview .pdf-zoom-hint {
  position: absolute; right: 14px; top: 10px;
  background: rgba(31, 41, 51, .85); color: #fff;
  border: 0; cursor: zoom-in;
  padding: 5px 12px; border-radius: 999px; font-size: 12px;
  opacity: .75; transition: opacity .15s;
}
.pdf-preview .pdf-zoom-hint:hover { opacity: 1; background: rgba(31, 41, 51, .95); color: #fff; }

/* PDF-Overlay (Grossansicht) */
.pdf-modal {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 20, 25, .75);
  align-items: center; justify-content: center; padding: 24px;
}
.pdf-modal-inner {
  background: var(--card); border-radius: 10px;
  width: min(1100px, 96vw); height: 92vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,.4);
}
.pdf-modal-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.pdf-modal-frame { flex: 1; width: 100%; border: 0; background: #525659; }
.invoice-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.invoice-head .title { font-weight: 700; font-size: 15px; }
.invoice-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.ai-hint { background: #f8f9fa; border: 1px dashed var(--border); border-radius: 6px; padding: 8px 10px; font-size: 12px; color: var(--muted); margin-top: 10px; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { width: 340px; }
.login-box h1 { text-align: center; }
.error-msg { background: #fff5f5; color: var(--red); border: 1px solid #ffc9c9; border-radius: 6px; padding: 9px 12px; margin-bottom: 12px; }

/* Upload */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
  background: #fafbfc;
  cursor: pointer;
}
.dropzone.drag { border-color: var(--primary); background: #e3fafc; color: var(--primary); }

.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: #1f2933; color: #fff;
  padding: 11px 18px; border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
  z-index: 100; font-size: 13px;
}
.toast.error { background: var(--red); }