:root{--background:#f5f4f1;--foreground:#080808;--muted:#5f5a52;--line:#dedbd4;--line-strong:#111111;--surface:#f6f5f2;--surface-strong:#ffffff;--inverse:#080808;--gold:#8c7a54;--font-serif:Georgia,"Times New Roman",Times,serif;--font-sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--background);color:var(--foreground);font-family:var(--font-serif)}a{color:inherit}button,input{font:inherit}.page-shell{min-height:100vh;padding:32px;background:radial-gradient(circle at top left,rgba(255,255,255,.95),rgba(255,255,255,0) 34rem),var(--background)}.invoice-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-gap:28px;gap:28px;max-width:960px;margin:0 auto}.invoice-paper,.side-panel{border:1px solid var(--line);background:var(--surface-strong);border-radius:12px;box-shadow:0 12px 34px rgba(0,0,0,.08)}.invoice-paper{padding:40px}.invoice-header{display:grid;grid-template-columns:minmax(0,1fr) auto;justify-content:space-between;align-items:flex-start;grid-gap:24px;gap:24px;border-bottom:1px solid var(--line-strong);padding-bottom:28px}.brand-mark{display:flex;align-items:flex-start;gap:18px;min-width:0}.company-name{margin:0;max-width:430px;font-size:38px;font-weight:400;letter-spacing:0;line-height:1.05}.muted{color:var(--muted)}.invoice-number{text-align:right;white-space:nowrap}.invoice-number span,.invoice-number strong{display:block}.invoice-number span{color:var(--muted);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.invoice-number strong{margin-top:4px;font-size:28px;letter-spacing:0}.logo{width:76px;height:88px;object-fit:contain}.invoice-overview{display:grid;grid-template-columns:minmax(220px,1fr) minmax(180px,auto);grid-gap:32px;gap:32px;line-height:1.5;font-size:17px}.invoice-date-block{text-align:right}.bill-to-lines{font-size:18px;font-weight:400}.invoice-main{margin-top:28px}.items-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin:28px 0 12px}.items-heading h2{margin:0;font-size:18px}.items-heading h2,.label{letter-spacing:.12em;text-transform:uppercase}.label{margin-bottom:6px;color:var(--muted);font-size:13px;font-weight:700}.items-table-wrap{border-top:0;overflow-x:auto}.items-table{width:100%;min-width:640px;border-collapse:collapse;font-size:16px}.items-table td,.items-table th{border-bottom:1px solid var(--line);padding:13px 14px;text-align:left}.items-table th{background:var(--surface);color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.items-table .number{text-align:right;white-space:nowrap}.items-table td:first-child{white-space:nowrap}.invoice-totals{display:grid;grid-gap:8px;gap:8px;width:min(100%,330px);margin:18px 14px 0 auto;padding:12px 18px;background:var(--surface)}.check-payment,.invoice-totals{border:1px solid var(--line);border-radius:8px}.check-payment{margin-top:24px;padding:16px 18px;line-height:1.5;font-size:16px}.total-row{display:flex;justify-content:space-between;gap:24px;font-size:14px}.grand-total{border-top:1px solid var(--line);padding-top:12px;font-size:23px;color:var(--gold);text-transform:uppercase}.invoice-actions{margin-top:24px;border-top:1px solid var(--line-strong);padding-top:18px}.mobile-actions{display:none}.side-panel{align-self:start;padding:24px;position:-webkit-sticky;position:sticky;top:24px}.status{display:inline-flex;align-items:center;min-height:26px;border:1px solid var(--line-strong);border-radius:999px;padding:3px 10px;background:var(--surface-strong);color:var(--foreground);font-family:var(--font-sans);font-size:12px;font-weight:700;text-transform:uppercase}.status.paid{background:var(--inverse);color:white}.actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;margin-top:14px}.actions form{display:block}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--inverse);border-radius:8px;padding:10px 14px;background:var(--inverse);color:white;font-family:var(--font-serif);text-decoration:none;cursor:pointer;font-weight:700;width:100%}.button.secondary{border-color:var(--line-strong);background:var(--surface-strong);color:var(--foreground)}.button:disabled{cursor:not-allowed;opacity:.55}.not-found{display:grid;min-height:100vh;place-items:center;padding:32px;text-align:center}@media (max-width:900px){.page-shell{padding:16px}.invoice-layout{display:block}.desktop-actions{display:none}.mobile-actions{display:block}.invoice-paper{min-height:auto;padding:24px}.company-name{font-size:28px}.logo{width:54px;height:64px}.invoice-number strong{font-size:22px}}@media (max-width:620px){.invoice-overview{grid-template-columns:minmax(0,1fr) auto}.items-table{min-width:560px}.actions{grid-template-columns:1fr}}@media (max-width:430px){.invoice-paper{padding:18px}.invoice-header{gap:14px}.brand-mark{gap:12px}.company-name,.invoice-number strong{font-size:19px}}