:root{--bg: #f6f7f9;--panel: #fff;--text: #1e2430;--muted: #6b7280;--line: #e2e5ea;--accent: #2563eb;--accent-weak: #e8effd;--danger: #dc2626;--warn: #b45309;--ok: #15803d;font-family:-apple-system,Hiragino Sans,Noto Sans JP,Yu Gothic,sans-serif;font-size:14px;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:20px;margin:0 0 16px}h2{font-size:16px;margin:24px 0 8px}.layout{display:flex;min-height:100vh}.nav{width:190px;background:#1f2937;color:#e5e7eb;padding:16px 0;flex-shrink:0}.nav .brand{font-weight:700;padding:0 18px 14px;font-size:15px;color:#fff}.nav a{display:block;padding:8px 18px;color:#d1d5db}.nav a.router-link-active{background:#374151;color:#fff}.nav .bottom{margin-top:24px;padding:0 18px;font-size:12px;color:#9ca3af}.nav .bottom button{background:none;border:1px solid #4b5563;color:#d1d5db;padding:4px 10px;border-radius:4px;cursor:pointer}.main{flex:1;padding:22px 28px;min-width:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin-bottom:16px}table.grid{width:100%;border-collapse:collapse;background:var(--panel)}table.grid th,table.grid td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:middle}table.grid th{background:#f1f3f6;font-weight:600;font-size:12.5px;color:#374151;white-space:nowrap}table.grid td.num,table.grid th.num{text-align:right;font-variant-numeric:tabular-nums}table.grid tr.overdue td{background:#fff1f2}table.grid tr.clickable{cursor:pointer}table.grid tr.clickable:hover td{background:var(--accent-weak)}.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;background:#e5e7eb;color:#374151}.badge.issued{background:#dbeafe;color:#1d4ed8}.badge.paid{background:#dcfce7;color:#15803d}.badge.void{background:#f3f4f6;color:#9ca3af;text-decoration:line-through}.badge.draft{background:#fef3c7;color:#92400e}.badge.expense{background:#ede9fe;color:#6d28d9}button,.btn{font:inherit;border:1px solid #cbd5e1;background:#fff;color:var(--text);padding:6px 12px;border-radius:6px;cursor:pointer}button:hover,.btn:hover{background:#f3f4f6}button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:#1d4ed8}button.danger{color:var(--danger);border-color:#fca5a5}button.small{padding:3px 8px;font-size:12px}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font:inherit;border:1px solid #cbd5e1;border-radius:6px;padding:6px 8px;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}input.num{text-align:right}textarea{width:100%;min-height:90px}.form{display:grid;grid-template-columns:150px 1fr;gap:10px 14px;align-items:center;max-width:780px}.form label{color:var(--muted);font-size:13px}.form .full{grid-column:1 / -1}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}.muted{color:var(--muted);font-size:12.5px}.error{color:var(--danger);margin:8px 0;white-space:pre-wrap}.ok{color:var(--ok)}.warn{color:var(--warn)}.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.kpi .card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 14px}.kpi .card .label{color:var(--muted);font-size:12px}.kpi .card .value{font-size:20px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}.bar{height:10px;background:var(--accent);border-radius:3px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:10px;padding:20px 24px;width:min(860px,94vw);max-height:92vh;overflow:auto}.lines-table input{width:100%}.lines-table td{padding:4px}.lines-table .drag{color:var(--muted);cursor:grab}iframe.preview{width:100%;height:80vh;border:1px solid var(--line);background:#fff}.login{max-width:360px;margin:120px auto}@media print{.nav{display:none}}