:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#dbeafe;--success:#059669;--success-light:#d1fae5;--danger:#dc2626;--danger-light:#fee2e2;--warning:#d97706;--warning-light:#fef3c7;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:4px;--radius:8px;--radius-lg:12px;--transition:.15s ease}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--gray-800);background:var(--gray-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;background:0 0;border:none}input,select,textarea{font-family:inherit;font-size:inherit}.app-layout{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--gray-200);z-index:40;width:260px;transition:transform var(--transition);background:#fff;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-header{border-bottom:1px solid var(--gray-200);padding:20px}.sidebar-title{color:var(--gray-900);font-size:18px;font-weight:700}.sidebar-nav{flex:1;padding:16px;overflow-y:auto}.nav-item{border-radius:var(--radius);color:var(--gray-600);transition:all var(--transition);text-align:left;align-items:center;gap:12px;width:100%;padding:10px 12px;font-weight:500;display:flex}.nav-item:hover{background:var(--gray-100);color:var(--gray-900);text-decoration:none}.nav-item.active{background:var(--primary-light);color:var(--primary)}.nav-icon{flex-shrink:0;width:20px;height:20px}.main-content{flex:1;min-height:100vh;margin-left:260px;padding:24px}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-title{color:var(--gray-900);font-size:24px;font-weight:700}.btn{border-radius:var(--radius);transition:all var(--transition);white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:500;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-200)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{color:var(--gray-600);background:0 0}.btn-ghost:hover{background:var(--gray-100);color:var(--gray-900)}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{border-radius:var(--radius);padding:8px}.btn-icon:hover{background:var(--gray-100)}.card{border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff}.card-header{border-bottom:1px solid var(--gray-200);padding:20px}.card-body{padding:20px}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:24px;display:grid}.summary-card{border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);background:#fff;padding:20px}.summary-card:hover{box-shadow:var(--shadow)}.summary-card.income{border-left:4px solid var(--success)}.summary-card.expense{border-left:4px solid var(--danger)}.summary-card.net{border-left:4px solid var(--primary)}.summary-label{color:var(--gray-500);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:13px}.summary-value{color:var(--gray-900);font-size:28px;font-weight:700}.summary-value.positive{color:var(--success)}.summary-value.negative{color:var(--danger)}.table-container{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--gray-200);padding:12px 16px}th{color:var(--gray-500);text-transform:uppercase;letter-spacing:.5px;background:var(--gray-50);font-size:12px;font-weight:600}td{color:var(--gray-700);font-size:14px}tr:hover td{background:var(--gray-50)}.amount-positive{color:var(--success);font-weight:600}.amount-negative{color:var(--danger);font-weight:600}.badge{border-radius:9999px;align-items:center;padding:4px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge-income{background:var(--success-light);color:var(--success)}.badge-expense{background:var(--danger-light);color:var(--danger)}.badge-pending{background:var(--warning-light);color:var(--warning)}.badge-sent{background:var(--success-light);color:var(--success)}.badge-failed{background:var(--danger-light);color:var(--danger)}.form-group{margin-bottom:16px}.form-label{color:var(--gray-700);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-input{border:1px solid var(--gray-300);border-radius:var(--radius);width:100%;color:var(--gray-900);transition:all var(--transition);background:#fff;padding:10px 12px}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.form-input::placeholder{color:var(--gray-400)}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-actions{border-top:1px solid var(--gray-200);justify-content:flex-end;gap:12px;margin-top:24px;padding-top:16px;display:flex}.modal-overlay{z-index:50;background:#00000080;justify-content:center;align-items:center;padding:24px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);background:#fff;width:100%;max-width:500px;max-height:90vh;animation:.15s slideUp;overflow-y:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.login-container{background:linear-gradient(135deg, var(--primary-light) 0%, var(--gray-50) 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);background:#fff;width:100%;max-width:400px;padding:40px}.login-title{color:var(--gray-900);text-align:center;margin-bottom:8px;font-size:28px;font-weight:700}.login-subtitle{color:var(--gray-500);text-align:center;margin-bottom:32px}.pin-input{justify-content:center;gap:12px;margin-bottom:24px;display:flex}.pin-digit{border:2px solid var(--gray-300);border-radius:var(--radius);text-align:center;width:60px;height:60px;color:var(--gray-900);transition:all var(--transition);background:#fff;font-size:24px;font-weight:700}.pin-digit:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.pin-digit.filled{border-color:var(--primary);background:var(--primary-light)}.login-btn{width:100%;padding:14px;font-size:16px;font-weight:600}.login-error{background:var(--danger-light);color:var(--danger);border-radius:var(--radius);text-align:center;margin-bottom:16px;padding:12px;font-size:14px}.toast-container{z-index:100;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow-lg);background:#fff;align-items:center;gap:12px;min-width:280px;max-width:400px;padding:14px 16px;animation:.2s slideIn;display:flex}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}.toast.info{border-left:4px solid var(--primary)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.empty-state{text-align:center;color:var(--gray-500);padding:48px 24px}.empty-state-icon{width:64px;height:64px;color:var(--gray-300);margin:0 auto 16px}.empty-state-title{color:var(--gray-700);margin-bottom:8px;font-size:18px;font-weight:600}@media (width<=1024px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:16px}.sidebar-toggle{display:flex}}.sidebar-toggle{border-radius:var(--radius);width:40px;height:40px;color:var(--gray-600);justify-content:center;align-items:center;display:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}