:root{--color-bg:#f5f6f8;--color-surface:#fff;--color-surface-hover:#f0f1f3;--color-row-hover:#fafbfc;--color-border:#e1e4e8;--color-text:#1f2328;--color-text-muted:#656d76;--color-primary:#1a73e8;--color-primary-dark:#1558b0;--color-danger:#d1242f;--color-warning:#9a6700;--color-success:#1a7f37;--color-danger-bg:#ffebe9;--color-danger-border:#ffc1bc;--color-warning-bg:#fff8c5;--color-success-bg:#dafbe1;--color-excluded-bg:#eaeef2;font-family:-apple-system,BlinkMacSystemFont,Segoe 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var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;border-radius:6px;align-items:center;gap:.35rem;padding:.45rem .9rem;font-size:.9rem;display:inline-flex}.btn:hover{background:var(--color-surface-hover)}.icon-btn{padding:.4rem .55rem;font-size:1rem;line-height:1}.actions-cell{white-space:nowrap;gap:.35rem;display:flex}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-danger{color:var(--color-danger);border-color:var(--color-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}table{border-collapse:collapse;width:100%;min-width:480px;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:.55rem .7rem}th{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.02em;font-size:.8rem;font-weight:600}th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}th.sortable:hover{color:var(--color-text)}tr:hover td{background:var(--color-row-hover)}.filters{flex-wrap:wrap;gap:1rem;display:flex}.hidden-input{display:none}.tabs{border-bottom:1px solid var(--color-border);gap:.4rem;margin-bottom:1.25rem;display:flex}.tab-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:.55rem .9rem;font-size:.9rem;font-weight:600}.tab-btn:hover{color:var(--color-text)}.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.header-actions{flex-wrap:wrap;align-items:flex-end;gap:.6rem;display:flex}.form-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.85rem;display:grid}.form-field{flex-direction:column;gap:.3rem;display:flex}.form-field label{color:var(--color-text-muted);font-size:.8rem}.form-field input,.form-field select,.form-field textarea{border:1px solid var(--color-border);border-radius:6px;padding:.45rem .6rem;font-family:inherit;font-size:.9rem}.form-actions{gap:.6rem;margin-top:1rem;display:flex}.error-banner{background:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger);border-radius:6px;margin-bottom:1rem;padding:.6rem .9rem;font-size:.9rem}.badge{border-radius:999px;padding:.15rem .55rem;font-size:.75rem;font-weight:600;display:inline-block}.badge-unpaid{background:var(--color-danger-bg);color:var(--color-danger)}.badge-partial{background:var(--color-warning-bg);color:var(--color-warning)}.badge-paid{background:var(--color-success-bg);color:var(--color-success)}.badge-excluded{background:var(--color-excluded-bg);color:var(--color-text-muted)}.muted{color:var(--color-text-muted);font-size:.85rem}.text-right{text-align:right}tfoot td{border-top:2px solid var(--color-border);background:var(--color-row-hover);border-bottom:none;font-weight:700}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.85rem;margin-bottom:1.25rem;display:grid}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:1rem 1.25rem}.stat-card .stat-label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.02em;margin-bottom:.4rem;font-size:.78rem}.stat-card .stat-value{font-size:1.6rem;font-weight:700;line-height:1}.stat-card.accent-primary{border-top:3px solid var(--color-primary)}.stat-card.accent-primary .stat-value{color:var(--color-primary)}.stat-card.accent-success{border-top:3px solid var(--color-success)}.stat-card.accent-success .stat-value{color:var(--color-success)}.stat-card.accent-warning{border-top:3px solid var(--color-warning)}.stat-card.accent-warning .stat-value{color:var(--color-warning)}@media (width<=640px){.page{padding:1rem}.page-header h1,.page-header h2{font-size:1.25rem}}