:root{--bg:#f5f6f8;--panel:#fff;--text:#17191d;--muted:#707784;--line:#e5e8ed;--dark:#111317;--accent:#f0b323;--accent2:#d99b0b;--good:#1b8a5a;--bad:#c94141;--shadow:0 8px 30px rgba(20,25,30,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-size:15px}a{color:inherit;text-decoration:none}.shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--dark);color:#fff;padding:26px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 28px}.brand strong{font-size:21px;display:block}.brand small{display:block;color:#9298a3;font-size:12px;text-transform:uppercase;letter-spacing:.12em}.brand-mark{width:39px;height:39px;border-radius:10px;display:grid;place-items:center;background:var(--accent);color:#111;font-weight:900}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:11px 12px;border-radius:8px;color:#c8cbd0;font-weight:600}.sidebar nav a:hover,.sidebar nav a.active{background:#23262c;color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid #2e3239;padding:18px 8px 0;display:flex;justify-content:space-between;gap:10px;align-items:center}.sidebar-foot strong,.sidebar-foot small{display:block}.sidebar-foot small{text-transform:capitalize;color:#858c96}.link-btn{border:0;background:none;color:#aeb4bd;cursor:pointer}.main{margin-left:240px;min-height:100vh}.topbar{height:78px;background:#fff;border-bottom:1px solid var(--line);padding:0 34px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.topbar strong,.topbar small{display:block}.topbar small{color:var(--muted)}.content{padding:34px;max-width:1500px;margin:auto}.menu-toggle{display:none;border:0;background:none;font-size:22px}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px}.page-head 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rgba(20,25,30,.05)}textarea{resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.section-title{margin:28px 0 12px}.invoice-lines{display:grid;gap:9px}.invoice-line{display:grid;grid-template-columns:1fr 110px 150px 40px;gap:8px}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;font-size:20px;cursor:pointer}.block-label{margin-top:24px}.two-col{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px}.side-stack .panel{padding:20px}.invoice-preview{padding:38px;overflow:visible}.invoice-brand{font-size:26px;font-weight:900}.invoice-brand span{font-size:12px;font-weight:600;color:var(--muted);margin-left:4px}.invoice-meta{display:flex;justify-content:space-between;margin:45px 0 30px}.invoice-meta small,.invoice-meta strong,.invoice-meta span{display:block}.invoice-meta small,.invoice-meta span{color:var(--muted)}.invoice-meta strong{font-size:18px;margin:5px 0}.invoice-table th,.invoice-table td{padding-left:0;padding-right:0}.totals{margin:25px 0 0 auto;max-width:330px}.totals div{display:flex;justify-content:space-between;padding:7px 0}.totals .grand{font-size:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:7px 0;padding:12px 0}.invoice-notes{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}.invoice-notes small{font-weight:800;color:var(--muted)}.stack-form{display:grid;gap:13px;margin-top:15px}.help{font-size:12px;color:var(--muted);line-height:1.5}.payment-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.payment-row:last-child{border-bottom:0}.payment-row small{display:block;color:var(--muted)}.alert{padding:13px 16px;border-radius:9px;margin-bottom:20px;border:1px 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.share-box{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:9px}.share-box label{font-size:12px;font-weight:800;color:#555d68}.copy-row{display:grid;grid-template-columns:1fr auto;gap:7px}.copy-row input{font-size:12px;background:#f8f9fa}.test-email-row{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:10px;margin-top:14px}@media(max-width:600px){.test-email-row{grid-template-columns:1fr}}