:root{
  --bg:#f4f5f7; --card:#ffffff; --ink:#1c2330; --muted:#69707f;
  --accent:#175ddc; --accent-dark:#124bb0; --line:#e3e6ec;
  --green:#1e8e4e; --red:#c23838; --amber:#a86a00;
  --radius:12px; --shadow:0 1px 3px rgba(20,30,60,.08),0 4px 14px rgba(20,30,60,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);padding-bottom:40px}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #b9cdf5;border-color:var(--accent)}
label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin:10px 0 4px}

/* Kopf */
header{background:linear-gradient(135deg,#173a7a,#175ddc);color:#fff;
  padding:14px 20px 0;box-shadow:var(--shadow)}
.head-row{display:flex;align-items:center;gap:12px;max-width:1100px;margin:0 auto}
header h1{font-size:19px;margin:0;font-weight:700;letter-spacing:.2px}
header h1 span{opacity:.75;font-weight:400}
.head-month{margin-left:auto;display:flex;align-items:center;gap:8px}
.head-month input{width:auto;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25);
  color:#fff;padding:6px 8px}
.head-month input::-webkit-calendar-picker-indicator{filter:invert(1)}
nav{max-width:1100px;margin:10px auto 0;display:flex;gap:4px;overflow-x:auto}
nav button{background:none;border:none;color:rgba(255,255,255,.78);padding:10px 16px;
  border-radius:10px 10px 0 0;font-weight:600;white-space:nowrap;font-size:14.5px}
nav button.active{background:var(--bg);color:var(--ink)}
nav button:not(.active):hover{background:rgba(255,255,255,.12)}

main{max-width:1100px;margin:20px auto;padding:0 16px}
.tab{display:none}
.tab.active{display:block}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px 20px;margin-bottom:16px}
.card h2{margin:0 0 6px;font-size:17px}
.card .sub{color:var(--muted);font-size:13.5px;margin:0 0 12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 18px}
@media(max-width:700px){.grid2,.grid3{grid-template-columns:1fr}}

.btn{background:var(--accent);color:#fff;border:none;border-radius:9px;
  padding:10px 18px;font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.btn:hover{background:var(--accent-dark)}
.btn:disabled{background:#a9b4c6;cursor:default}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.sec:hover{background:#f1f3f7}
.btn.danger{background:#fff;color:var(--red);border:1px solid #eccaca;box-shadow:none}
.btn.danger:hover{background:#fbf0f0}
.btn.big{padding:14px 22px;font-size:16px}
.btn.small{padding:6px 12px;font-size:13px}

/* Erfassen */
.dropzone{border:2px dashed #b9c3d4;border-radius:var(--radius);padding:34px 20px;
  text-align:center;color:var(--muted);background:#fbfcfe;transition:.15s}
.dropzone.drag{border-color:var(--accent);background:#eef4ff}
.dropzone .big-ico{font-size:34px}
.cap-buttons{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.queue-bar{display:flex;gap:8px;align-items:center;margin-top:14px;flex-wrap:wrap}
.queue-chip{background:#eef2f9;border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;font-size:13px;color:var(--muted)}
.queue-chip.now{background:#e3edff;color:var(--accent);border-color:#b9cdf5;font-weight:600}

.editor{display:grid;grid-template-columns:minmax(280px,1fr) minmax(300px,1.1fr);gap:20px}
@media(max-width:860px){.editor{grid-template-columns:1fr}}
.preview-box{position:relative;background:#22262e;border-radius:10px;min-height:280px;
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.preview-box img{max-width:100%;max-height:520px;display:block}
.preview-tools{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:center}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{background:#fff;border:none;padding:7px 14px;font-size:13.5px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--accent);color:#fff}
.hint{font-size:12.5px;color:var(--muted)}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700}
.badge.beleg{background:#e8f2ec;color:var(--green)}
.badge.ls{background:#e9effd;color:var(--accent)}
.badge.abgerechnet{background:#f5ecdc;color:var(--amber)}
.badge.offen{background:#f0f1f4;color:var(--muted)}

.items-table{width:100%;border-collapse:collapse;margin-top:6px}
.items-table th{font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;
  color:var(--muted);text-align:left;padding:4px 6px 4px 0}
.items-table td{padding:3px 6px 3px 0;vertical-align:top}
.items-table input{padding:6px 8px}
.items-table .del{background:none;border:none;color:var(--red);font-size:17px;padding:4px}
.sum-line{text-align:right;font-weight:700;margin-top:8px}

/* Archiv */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filter-row input[type=search]{max-width:230px}
.filter-row select{max-width:210px;width:auto}
.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.doc-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  cursor:pointer;transition:.12s;display:flex;flex-direction:column}
.doc-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.doc-thumb{aspect-ratio:4/4.4;background:#eef0f4;display:flex;align-items:center;justify-content:center;overflow:hidden}
.doc-thumb img{width:100%;height:100%;object-fit:cover}
.doc-meta{padding:8px 10px;font-size:12.5px}
.doc-meta .d1{display:flex;justify-content:space-between;align-items:center;gap:6px}
.doc-meta .datum{font-weight:700}
.doc-meta .kunde{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.empty{color:var(--muted);text-align:center;padding:36px 10px;font-size:14.5px}
.count-line{color:var(--muted);font-size:13px;margin:8px 2px}

/* Rechnungen */
.inv-row{display:flex;align-items:center;gap:14px;padding:12px 4px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.inv-row:last-child{border-bottom:none}
.inv-row .who{font-weight:700;min-width:160px}
.inv-row .info{color:var(--muted);font-size:13.5px;flex:1}
.inv-row .money{font-weight:700;font-variant-numeric:tabular-nums}

/* Kunden */
.kunde-row{display:flex;align-items:center;gap:14px;padding:11px 4px;border-bottom:1px solid var(--line)}
.kunde-row:last-child{border-bottom:none}
.kunde-row .who{font-weight:600;min-width:150px}
.kunde-row .adr{color:var(--muted);font-size:13px;flex:1;white-space:pre-line}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(15,20,35,.55);display:none;
  align-items:flex-start;justify-content:center;padding:26px 12px;z-index:50;overflow:auto}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:14px;max-width:920px;width:100%;padding:20px 22px;
  box-shadow:0 12px 40px rgba(0,0,0,.3)}
.modal h3{margin:0 0 10px}
.modal .close{float:right;background:none;border:none;font-size:22px;color:var(--muted)}
.modal-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.modal-cols{grid-template-columns:1fr}}
.modal-cols .preview-box{min-height:220px}

/* Toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);
  background:#1c2330;color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;
  opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw;box-shadow:0 6px 24px rgba(0,0,0,.3)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--red)}

.footer-note{max-width:1100px;margin:8px auto;padding:0 16px;color:var(--muted);font-size:12.5px}
.pill-info{background:#eef4ff;border:1px solid #cddcf8;color:#274b8f;border-radius:10px;
  padding:10px 14px;font-size:13.5px;margin-bottom:14px}
.row-actions{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.spin{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}