.auth-page{background:linear-gradient(135deg,#eef2ff 0%,#f8f9fc 60%,#f0fdf4 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{width:100%;max-width:420px;padding:40px 36px}.auth-logo{text-align:center;margin-bottom:28px}.brand-icon-lg{background:var(--accent);color:#fff;border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 14px;display:flex;box-shadow:0 4px 16px #4f46e54d}.auth-logo h1{letter-spacing:-.5px;margin-bottom:6px;font-size:24px;font-weight:800}.auth-logo p{color:var(--text-secondary);font-size:14px}.auth-tabs{background:var(--surface-2);border-radius:var(--radius);margin-bottom:24px;padding:4px;display:flex}.auth-tab{color:var(--text-secondary);background:0 0;border:none;border-radius:7px;flex:1;padding:9px;font-size:14px;font-weight:600;transition:all .15s}.auth-tab.active{background:var(--surface);color:var(--text-primary);box-shadow:0 1px 4px #00000014}.auth-form{flex-direction:column;gap:16px;display:flex}.auth-submit{justify-content:center;width:100%;margin-top:4px;padding:13px;font-size:15px}.auth-notice{color:var(--text-muted);text-align:center;margin-top:20px;font-size:12px;line-height:1.6}.modal-form{flex-direction:column;gap:18px;display:flex}.amount-input-wrap{align-items:center;display:flex;position:relative}.amount-prefix{color:var(--text-secondary);pointer-events:none;font-size:15px;font-weight:600;position:absolute;left:14px}.amount-input{padding-left:28px!important}.modal-actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.modal-actions .btn{justify-content:center;min-width:120px}.invoice-table-wrap{overflow:hidden}.invoice-table{border-collapse:collapse;width:100%}.invoice-table thead th{text-align:left;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);background:var(--surface-2);border-bottom:1px solid var(--border);padding:14px 20px;font-size:11.5px;font-weight:700}.invoice-table thead th:last-child{text-align:right}.invoice-row{border-bottom:1px solid var(--border);transition:background .12s}.invoice-row:last-child{border-bottom:none}.invoice-row:hover{background:var(--surface-2)}.invoice-table td{vertical-align:middle;padding:16px 20px;font-size:14px}.client-cell{align-items:center;gap:12px;display:flex}.client-avatar{background:var(--accent-light);width:34px;height:34px;color:var(--accent);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.client-name{color:var(--text-primary);font-weight:600}.date-cell{color:var(--text-secondary)}.amount-cell{color:var(--text-primary);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.status-toggle{cursor:pointer;border:none;transition:all .15s}.status-toggle:hover{opacity:.8;transform:scale(.97)}.action-buttons{justify-content:flex-end;gap:8px;display:flex}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:60px 32px;display:flex}.empty-icon{background:var(--surface-2);width:64px;height:64px;color:var(--text-muted);border-radius:16px;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.empty-state h3{font-size:18px;font-weight:700}.empty-state p{color:var(--text-secondary);max-width:300px;font-size:14px;line-height:1.6}@media (width<=700px){.invoice-table thead th:nth-child(2),.invoice-table td:nth-child(2){display:none}}.stats-bar{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.stat-card{align-items:flex-start;gap:16px;padding:20px;display:flex}.stat-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.stat-body{flex:1;min-width:0}.stat-value{letter-spacing:-.5px;font-size:22px;font-weight:800;line-height:1.1}.stat-label{color:var(--text-secondary);margin-top:4px;font-size:13px;font-weight:600}.stat-sub{color:var(--text-muted);margin-top:2px;font-size:12px}@media (width<=640px){.stats-bar{grid-template-columns:1fr}}.dashboard{flex-direction:column;gap:24px;display:flex}.demo-banner{color:#92400e;border-radius:var(--radius);background:#fffbeb;border:1px solid #fde68a;align-items:center;gap:10px;padding:12px 18px;font-size:13.5px;line-height:1.5;display:flex}.dashboard-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.dashboard-title{letter-spacing:-.5px;color:var(--text-primary);font-size:28px;font-weight:800}.dashboard-subtitle{color:var(--text-secondary);margin-top:4px;font-size:14px}.dashboard-toolbar{justify-content:space-between;align-items:center;gap:16px;display:flex}.filter-tabs{background:var(--surface-2);border-radius:var(--radius);gap:4px;padding:4px;display:flex}.filter-tab{color:var(--text-secondary);background:0 0;border:none;border-radius:7px;align-items:center;gap:7px;padding:7px 14px;font-size:13.5px;font-weight:600;transition:all .15s;display:flex}.filter-tab.active{background:var(--surface);color:var(--text-primary);box-shadow:0 1px 4px #00000014}.filter-count{background:var(--border);color:var(--text-secondary);border-radius:999px;padding:1px 7px;font-size:11px;font-weight:700}.filter-tab.active .filter-count{background:var(--accent-light);color:var(--accent)}.dashboard-loading{justify-content:center;padding:60px;display:flex}.layout{flex-direction:column;min-height:100vh;display:flex}.topbar{background:var(--surface);border-bottom:1px solid var(--border);z-index:100;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;max-width:1100px;height:60px;margin:0 auto;padding:0 24px;display:flex}.topbar-brand{align-items:center;gap:10px;display:flex}.brand-icon{background:var(--accent);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.brand-name{color:var(--text-primary);letter-spacing:-.3px;font-size:17px;font-weight:800}.topbar-right{align-items:center;gap:14px;display:flex}.topbar-email{color:var(--text-secondary);font-size:13px;font-weight:500}.main-content{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:32px 24px}@media (width<=640px){.topbar-email{display:none}.main-content{padding:24px 16px}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f9fc;--surface:#fff;--surface-2:#f1f3f8;--border:#e2e6ef;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent:#4f46e5;--accent-hover:#4338ca;--accent-light:#eef2ff;--success:#10b981;--success-light:#d1fae5;--warning:#f59e0b;--warning-light:#fef3c7;--danger:#ef4444;--danger-light:#fee2e2;--radius:10px;--radius-lg:16px;--shadow:0 1px 4px #00000012, 0 4px 16px #0000000d;--shadow-lg:0 8px 32px #0000001a}body{background:var(--bg);color:var(--text-primary);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,select,textarea{outline:none;font-family:inherit}.btn{border-radius:var(--radius);white-space:nowrap;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #4f46e54d}.btn-secondary{background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600}.form-group input,.form-group select{border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text-primary);padding:11px 14px;font-size:15px;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51a}.badge{border-radius:999px;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-paid{background:var(--success-light);color:var(--success)}.badge-unpaid{background:var(--warning-light);color:var(--warning)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:40px;height:40px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0006;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;padding:32px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-header h2{font-size:20px;font-weight:700}.modal-close{background:var(--surface-2);width:32px;height:32px;color:var(--text-secondary);border:none;border-radius:8px;justify-content:center;align-items:center;font-size:18px;transition:background .15s;display:flex}.modal-close:hover{background:var(--border)}.error-message{background:var(--danger-light);color:var(--danger);border-radius:var(--radius);padding:12px 16px;font-size:14px;font-weight:500}.success-message{background:var(--success-light);color:var(--success);border-radius:var(--radius);padding:12px 16px;font-size:14px;font-weight:500}