:root{--ink: #31122e;--ink-soft: #6e5566;--ink-faint: #a78fa0;--border: #e7dde3;--bg: #f5f2ef;--surface: #ffffff;--on-dark: #fbf7f4;--accent: #31122e;--ok: #1f7a4d;--warn: #b54708;--danger: #b42318;--radius: 8px;font-family:IBM Plex Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}a{color:var(--ink)}h1{font-size:22px;margin:0 0 4px;letter-spacing:-.3px}h2{font-size:16px;margin:0 0 12px}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--ink);color:var(--on-dark);padding:22px 16px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:700;font-size:16px;margin-bottom:18px;letter-spacing:-.3px}.sidebar .brand-logo{width:150px;max-width:100%;height:auto;display:block;margin:32px 4px 42px}.sidebar a{color:#d8c9d2;text-decoration:none;padding:9px 12px;border-radius:6px;font-weight:500}.sidebar a.active,.sidebar a:hover{background:#ffffff1a;color:#fff}.sidebar .spacer{flex:1}.sidebar .who{font-size:12px;color:var(--ink-faint);padding:0 12px}.main{padding:28px 32px;max-width:1000px}.header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}table.list{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}table.list th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-faint);padding:10px 12px;border-bottom:1px solid var(--border)}table.list td{padding:11px 12px;border-bottom:1px solid var(--border)}table.list tr:last-child td{border-bottom:none}table.list tr:hover td{background:#faf7f9}.num{text-align:right;font-variant-numeric:tabular-nums}label{display:block;font-size:12px;color:var(--ink-soft);margin:10px 0 4px;font-weight:500}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid var(--ink-faint);border-color:var(--ink-faint)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.row{display:flex;gap:10px;align-items:center}button{font:inherit;font-weight:600;border:1px solid var(--ink);background:var(--ink);color:var(--on-dark);padding:8px 14px;border-radius:6px;cursor:pointer}button.secondary{background:#fff;color:var(--ink)}button.ghost{background:transparent;border-color:transparent;color:var(--ink-soft);padding:4px 8px}button.danger{background:#fff;color:var(--danger);border-color:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}.actions{display:flex;gap:6px;flex-wrap:wrap}.ghost-link{color:var(--ink-soft);font-weight:600;font-size:14px;text-decoration:none}.ghost-link:hover{color:var(--ink)}.pill{font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;text-transform:capitalize}.pill.draft{background:#efeaee;color:var(--ink-soft)}.pill.issued{background:#e6eef9;color:#1d4ed8}.pill.paid{background:#e6f4ec;color:var(--ok)}.pill.canceled{background:#f3f4f6;color:#6b7280;text-decoration:line-through}.pill.overdue{background:#fdecea;color:var(--danger)}.muted{color:var(--ink-soft)}.error{background:#fdecea;color:var(--danger);border:1px solid #f5c6c1;padding:10px 12px;border-radius:6px;margin-bottom:12px}.empty{color:var(--ink-soft);padding:40px;text-align:center}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px}.preview-frame{width:100%;height:80vh;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.items-table input{padding:6px 8px}