:root{--brand-primary:#1f2937;--brand-secondary:#f3f4f6;--brand-accent:#2563eb;--surface:#ffffff;--surface-muted:#f8fafc;--text:#111827;--muted:#64748b;--border:#d8dee8;--danger:#b42318;--danger-bg:#fff1f0;--warning:#92400e;--warning-bg:#fffbeb;--ok:#067647;--ok-bg:#ecfdf3}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{color:var(--text);background:var(--brand-secondary);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}.app-shell{min-height:100vh;background:linear-gradient(180deg,color-mix(in srgb,var(--brand-secondary),#ffffff 55%) 0,var(--brand-secondary) 340px),var(--brand-secondary)}.center-shell,.login-shell{display:grid;place-items:center;padding:24px}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.topbar{justify-content:space-between;gap:16px;padding:18px clamp(16px,4vw,40px);color:#ffffff;background:var(--brand-primary)}.brand-mark,.topbar{display:flex;align-items:center}.brand-mark{gap:12px;min-width:0;color:inherit;font-weight:800}.brand-mark.stacked{flex-direction:column;text-align:center;color:var(--text)}.brand-mark img{width:44px;height:44px;flex:0 0 auto;border-radius:8px;object-fit:contain;background:#ffffff}.brand-mark.stacked img{width:72px;height:72px}.brand-mark span{overflow-wrap:anywhere}.container{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:28px 0 44px}.bill-card,.login-card,.preview-panel,.work-surface{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 12px 32px rgba(15,23,42,.08)}.login-card{display:grid;grid-gap:20px;gap:20px;width:min(100%,420px);padding:28px}.field{display:grid;grid-gap:8px;gap:8px;font-weight:700}.field,.input{color:var(--text)}.input{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:#ffffff}.button:focus-visible,.icon-button:focus-visible,.input:focus{outline:3px solid color-mix(in srgb,var(--brand-accent),#ffffff 55%);outline-offset:2px}.check-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.95rem;line-height:1.4}.check-row input{width:18px;height:18px;accent-color:var(--brand-accent)}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 15px;border:1px solid transparent;border-radius:8px;font-weight:800;line-height:1.1;white-space:nowrap}.button svg,.icon-button svg{width:18px;height:18px;flex:0 0 auto}.button.primary{color:#ffffff;background:var(--brand-accent)}.button.secondary{color:var(--brand-primary);border-color:var(--border);background:#ffffff}.button.ghost{color:#ffffff;border-color:rgba(255,255,255,.28);background:transparent}.button.full{width:100%}.button.large{min-height:52px;padding-inline:18px}.work-surface{display:grid;grid-gap:18px;gap:18px;padding:clamp(18px,3vw,28px);margin-bottom:18px}.bill-card-header,.result-header,.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.section-heading.compact{margin-bottom:12px}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.6rem,4vw,2.25rem);line-height:1.05}h2{font-size:clamp(1.25rem,3vw,1.6rem);line-height:1.15}h3{font-size:1rem;line-height:1.2}.bill-card-header p,.preview-panel p,.section-heading p{margin-top:5px;color:var(--muted);line-height:1.4;overflow-wrap:anywhere}.upload-zone{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:16px;gap:16px;min-height:146px;padding:22px;border:2px dashed color-mix(in srgb,var(--brand-accent),#ffffff 25%);border-radius:8px;background:color-mix(in srgb,var(--brand-accent),#ffffff 94%)}.upload-zone.drag-active{background:color-mix(in srgb,var(--brand-accent),#ffffff 88%)}.upload-zone>svg{width:36px;height:36px;color:var(--brand-accent)}.upload-zone p{margin-top:4px;color:var(--muted)}.hidden-input{display:none}.file-list{display:grid;grid-gap:10px;gap:10px}.file-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:12px;gap:12px;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--surface-muted)}.file-row>svg{color:var(--brand-accent)}.file-meta{display:grid;grid-gap:3px;gap:3px;min-width:0}.file-meta span,.file-meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-meta span{color:var(--muted);font-size:.9rem}.icon-button{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--border);border-radius:8px;color:var(--danger);background:#ffffff}.actions-row{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}.alert{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:8px;line-height:1.45}.alert svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px}.alert.error{color:var(--danger);background:var(--danger-bg);border:1px solid color-mix(in srgb,var(--danger),#ffffff 70%)}.alert.info{color:var(--brand-primary);background:#eef6ff;border:1px solid #bfdbfe}.status-list{display:grid;grid-gap:12px;gap:12px}.status-row{display:flex;align-items:center;gap:10px;min-height:36px;color:var(--muted);font-weight:700}.status-dot,.status-row svg{width:20px;height:20px;flex:0 0 auto}.status-dot{border:2px solid var(--border);border-radius:999px}.status-row.done{color:var(--ok)}.status-row.active{color:var(--brand-accent)}.status-row.failed{color:var(--danger)}.result-layout{display:grid;grid-gap:18px;gap:18px;width:100%;min-width:0}.result-layout>*{min-width:0}.download-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:18px;gap:18px;padding:clamp(18px,3vw,28px);border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 12px 32px rgba(15,23,42,.08)}.download-copy{min-width:0}.download-copy p:not(.status-pill){margin-top:8px;color:var(--muted);line-height:1.45;overflow-wrap:anywhere}.primary-downloads{align-items:center}.result-content-grid{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);align-items:start;grid-gap:16px;gap:16px}.result-main,.result-sidebar{display:grid;grid-gap:14px;gap:14px;min-width:0}.result-header{align-items:center;padding:clamp(18px,3vw,28px);border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 12px 32px rgba(15,23,42,.08)}.status-pill{display:inline-flex;width:-moz-fit-content;width:fit-content;margin-bottom:8px;padding:6px 9px;border-radius:999px;font-size:.78rem;font-weight:900;text-transform:uppercase}.status-pill.ok{color:var(--ok);background:var(--ok-bg)}.status-pill.warn{color:var(--warning);background:var(--warning-bg)}.download-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.warning-panel{display:grid;grid-template-columns:auto minmax(0,1fr);grid-gap:12px;gap:12px;padding:16px;border:1px solid color-mix(in srgb,var(--warning),#ffffff 70%);border-radius:8px;color:var(--warning);background:var(--warning-bg);min-width:0}.warning-panel>svg{width:22px;height:22px}.warning-panel ul{margin:8px 0 0;padding-left:18px}.warning-panel li{margin-top:6px;line-height:1.45}.metadata-grid,.summary-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:10px;gap:10px}.metadata-item,.summary-item{display:grid;grid-gap:5px;gap:5px;min-width:0;padding:13px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 8px 22px rgba(15,23,42,.05)}.result-section-title{margin-top:4px}.metadata-item span,.summary-item span{color:var(--muted);font-size:.82rem;font-weight:700}.metadata-item strong,.summary-item strong{overflow-wrap:anywhere}.bill-list{grid-gap:14px;gap:14px}.bill-card,.bill-list{display:grid;min-width:0}.bill-card{grid-gap:12px;gap:12px;padding:16px;overflow:hidden;box-shadow:0 8px 22px rgba(15,23,42,.05)}.bill-card-header>div{min-width:0}.bill-card-header h3,.bill-card-header p{overflow-wrap:anywhere}.bill-card-header strong{font-size:1.08rem;color:var(--brand-primary);white-space:nowrap}.bill-memo{color:var(--muted);line-height:1.45;overflow-wrap:anywhere}.bill-review{display:grid;grid-gap:6px;gap:6px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--warning),#ffffff 78%);border-radius:8px;color:var(--warning);background:var(--warning-bg);font-size:.92rem;line-height:1.4}.line-list{display:grid;border-top:1px solid var(--border)}.line-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:12px;gap:12px;padding:9px 0;border-bottom:1px solid var(--border);min-width:0}.line-row span{overflow-wrap:anywhere}.line-row strong{white-space:nowrap}.preview-panel{padding:clamp(16px,3vw,22px)}.preview-panel pre{max-height:460px;margin:0;overflow:auto;padding:14px;border:1px solid var(--border);border-radius:8px;color:#0f172a;background:#f8fafc;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.84rem;line-height:1.5;white-space:pre}@media (max-width:760px){.bill-card-header,.result-header,.section-heading,.topbar{align-items:stretch;flex-direction:column}.download-panel{grid-template-columns:1fr;align-items:stretch}.button{width:100%}.button.ghost{width:auto;align-self:flex-start}.upload-zone{grid-template-columns:1fr;text-align:center}.upload-zone>svg{justify-self:center}.actions-row,.download-row{justify-content:stretch}.result-content-grid{grid-template-columns:1fr}.metadata-grid,.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.container{width:min(100% - 20px,1120px);padding-top:16px}.login-card{padding:22px}.download-panel,.result-header,.work-surface{padding:16px}.line-row,.metadata-grid,.summary-grid{grid-template-columns:1fr}.line-row{gap:4px}.bill-card-header strong,.line-row strong{white-space:normal}}