*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f8f9fa;--color-surface:#fff;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-success:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--color-danger-hover:#dc2626;--color-text:#1f2937;--color-text-muted:#6b7280;--color-border:#e5e7eb;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000f;--radius:8px;--radius-lg:12px}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}#app{min-height:100vh;display:flex}.sidebar{background:var(--color-surface);border-right:1px solid var(--color-border);z-index:100;flex-direction:column;width:240px;padding:24px 0;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--color-border);margin-bottom:16px;padding:0 24px 24px}.sidebar-logo h1{color:var(--color-primary);font-size:18px;font-weight:700}.sidebar-logo p{color:var(--color-text-muted);margin-top:4px;font-size:12px}.sidebar-nav{flex:1;padding:0 12px}.nav-link{border-radius:var(--radius);color:var(--color-text-muted);align-items:center;gap:12px;margin-bottom:4px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.nav-link:hover{background:var(--color-bg);color:var(--color-text)}.nav-link.router-link-active{color:var(--color-primary);background:#eff6ff;font-weight:600}.main-content{flex:1;max-width:calc(100vw - 240px);margin-left:240px;padding:32px}.page-header{margin-bottom:32px}.page-header h2{color:var(--color-text);font-size:24px;font-weight:700}.page-header p{color:var(--color-text-muted);margin-top:4px;font-size:14px}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px}.card+.card{margin-top:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-header h3{font-size:16px;font-weight:600}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.summary-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border-left:4px solid var(--color-primary);padding:20px}.summary-card.success{border-left-color:var(--color-success)}.summary-card.warning{border-left-color:var(--color-warning)}.summary-card h4{text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);margin-bottom:8px;font-size:12px;font-weight:600}.summary-card .value{color:var(--color-text);font-size:24px;font-weight:700}.btn{border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:var(--color-danger-hover)}.btn-outline{border:1px solid var(--color-border);color:var(--color-text);background:0 0}.btn-outline:hover{background:var(--color-bg)}.btn-sm{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}thead th{background:var(--color-bg);text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);padding:10px 12px;font-size:12px;font-weight:600}tbody td{border-bottom:1px solid var(--color-border);padding:10px 12px}tbody tr:hover{background:#fafbfc}.amount{color:var(--color-success);font-family:SF Mono,Monaco,Cascadia Mono,monospace;font-weight:500}.amount-external{color:var(--color-warning);font-family:SF Mono,Monaco,Cascadia Mono,monospace;font-weight:600}.form-group{margin-bottom:16px}.form-group label{color:var(--color-text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-input{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;padding:8px 12px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.loading-overlay{color:var(--color-text-muted);justify-content:center;align-items:center;padding:60px 0;display:flex}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;margin-right:12px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.alert{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-error{color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca}.alert-success{color:var(--color-success);background:#f0fdf4;border:1px solid #bbf7d0}.client-section{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden}.client-header{background:var(--color-bg);border-bottom:2px solid var(--color-primary);justify-content:space-between;align-items:center;padding:16px 20px;font-size:15px;font-weight:600;display:flex}.client-total{color:var(--color-primary);font-family:SF Mono,Monaco,monospace;font-size:14px}.month-header{text-align:center;min-width:70px;font-size:11px}@media (width<=768px){.sidebar{width:64px}.sidebar-logo h1,.sidebar-logo p,.nav-link span{display:none}.main-content{margin-left:64px;padding:16px}}.login-page{background:var(--color-bg);justify-content:center;align-items:center;width:100%;min-height:100vh;display:flex}.login-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);text-align:center;width:100%;max-width:400px;padding:48px 40px}.login-logo h1{color:var(--color-primary);font-size:28px;font-weight:700}.login-logo p{color:var(--color-text-muted);margin-top:4px;font-size:14px}.login-description{color:var(--color-text-muted);margin:24px 0;font-size:14px;line-height:1.5}.btn-google{border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;align-items:center;gap:12px;padding:12px 24px;font-size:15px;font-weight:500;transition:all .15s;display:inline-flex}.btn-google:hover{background:var(--color-bg);box-shadow:var(--shadow-sm)}.btn-google:disabled{opacity:.6;cursor:not-allowed}.sidebar-footer{border-top:1px solid var(--color-border);margin-top:auto;padding:16px 16px 0}.user-info{align-items:center;gap:10px;margin-bottom:12px;display:flex}.user-avatar{border-radius:50%;flex-shrink:0;width:32px;height:32px}.user-details{flex-direction:column;display:flex;overflow:hidden}.user-name{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.user-email{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.btn-signout{justify-content:center;width:100%;margin-bottom:8px}