:root{--font: Inter, system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--ink: #0a0a0a;--ink-2: #404040;--ink-3: #737373;--line: #e5e5e5;--surface: #ffffff;--surface-2: #f5f5f5;--surface-3: #efefef;--good: #16a34a;--bad: #dc2626;--warn: #d97706;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow: 0 2px 8px rgba(0,0,0,.1);--radius: 10px}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font);font-size:14px;color:var(--ink);background:var(--surface-2);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none;padding:0}.portal-layout{min-height:100vh;display:flex;flex-direction:column}.portal-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:24px;padding:0 24px;height:56px;background:var(--surface);border-bottom:1px solid var(--line)}.portal-brand{font-weight:600;font-size:15px;color:var(--ink);flex-shrink:0}.portal-nav{display:flex;gap:4px;flex:1}.portal-main{flex:1;max-width:760px;width:100%;margin:0 auto;padding:24px 16px}.nav-item{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:7px;font-size:13px;font-weight:500;color:var(--ink-3);transition:background .1s,color .1s}.nav-item:hover{background:var(--surface-2);color:var(--ink)}.nav-item.active{background:var(--surface-3);color:var(--ink)}.page{display:flex;flex-direction:column;gap:16px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:4px}.topbar-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}.page-title{margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em}.page-sub{margin:2px 0 0;font-size:13px;color:var(--ink-3)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}.card.clickable{cursor:pointer;transition:box-shadow .15s}.card.clickable:hover{box-shadow:var(--shadow)}.card-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-size:14px;font-weight:500}.card-sub{font-size:12px;color:var(--ink-3);margin-top:2px}.card-amount{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}.section{display:flex;flex-direction:column;gap:8px}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3)}.line-items{width:100%;border-collapse:collapse;font-size:13px;margin:12px 0}.line-items th{text-align:left;padding:6px 8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);border-bottom:1px solid var(--line)}.line-items td{padding:8px;border-bottom:1px solid var(--line);color:var(--ink-2)}.line-items tr:last-child td{border-bottom:none}.totals{display:flex;flex-direction:column;gap:6px;padding:12px;background:var(--surface-2);border-radius:8px;font-size:13px}.totals-row{display:flex;justify-content:space-between;color:var(--ink-2)}.totals-row.total{font-size:15px;font-weight:600;color:var(--ink);padding-top:8px;border-top:1px solid var(--line);margin-top:4px}.notes{margin:12px 0 0;font-size:13px;color:var(--ink-3);line-height:1.6}.action-row{display:flex;gap:10px;justify-content:flex-end}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;transition:opacity .1s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--ink);color:#fff}.btn.primary:hover{opacity:.85}.btn.danger{background:var(--bad);color:#fff}.btn.danger:hover{opacity:.85}.btn.ghost{background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}.btn.ghost:hover{background:var(--surface-3)}.btn.sm{padding:5px 12px;font-size:12px}.empty{text-align:center;padding:48px 24px;color:var(--ink-3)}.empty-icon{font-size:32px;margin-bottom:12px}.empty-title{font-size:15px;font-weight:500;color:var(--ink-2);margin-bottom:4px}.empty-sub{font-size:13px}.loading{color:var(--ink-3);padding:24px;text-align:center}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:99px;font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow);z-index:999;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media print{.portal-header,.action-row,.btn{display:none!important}.portal-main{max-width:100%;padding:0}.card{border:none;box-shadow:none}}@media (max-width: 600px){.portal-header{padding:0 16px;gap:12px}.portal-nav .nav-item span{display:none}}