:root{--primary-blue:#06f;--primary-blue-hover:#005ce6;--bg-color:#f8f9fb;--sidebar-bg:#fff;--card-bg:#fff;--border-color:#e5e7eb;--text-main:#111827;--text-muted:#6b7280;--success-bg:#d1fae5;--success-text:#065f46;--danger-text:#dc2626;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);flex-direction:column;width:250px;padding:24px 16px;display:flex}.sidebar-logo{color:var(--primary-blue);align-items:center;gap:12px;margin-bottom:32px;padding:0 8px;font-size:20px;font-weight:700;display:flex}.sidebar-logo img{width:24px;height:24px}.sidebar-section{margin-bottom:24px}.sidebar-section-title{color:var(--text-muted);margin-bottom:12px;padding:0 8px;font-size:12px;font-weight:500}.nav-link{color:var(--text-main);border-radius:8px;align-items:center;gap:12px;margin-bottom:4px;padding:10px 12px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-link:hover{background-color:#f3f4f6}.nav-link.active{color:var(--text-main);background-color:#eff6ff;font-weight:600}.btn-primary{background-color:var(--primary-blue);color:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;padding:10px 16px;font-weight:500;transition:background-color .2s;display:flex}.btn-primary:hover{background-color:var(--primary-blue-hover)}.btn-secondary{color:var(--text-main);border:1px solid var(--border-color);background-color:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;padding:10px 16px;font-weight:500;transition:background-color .2s;display:flex}.btn-secondary:hover{background-color:#f9fafb}.main-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--border-color);background-color:#fff;justify-content:space-between;align-items:center;height:64px;padding:0 32px;display:flex}.topbar-left{align-items:center;gap:16px;display:flex}.page-content{flex:1;padding:32px;overflow-y:auto}.theme-toggle{border-top:1px solid var(--border-color);margin-top:auto;padding:16px 8px}.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:32px;display:grid}.stat-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;padding:24px;display:flex;box-shadow:0 1px 2px #0000000d}.stat-header{color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:16px;font-size:14px;display:flex}.stat-value{margin-bottom:8px;font-size:28px;font-weight:700}.stat-trend{color:var(--text-muted);font-size:12px}.trend-up{color:var(--success-text);font-weight:500}.trend-down{color:var(--danger-text);font-weight:500}.page-header{justify-content:space-between;align-items:flex-end;margin-bottom:24px;display:flex}.page-title{margin-bottom:4px;font-size:24px;font-weight:700}.page-subtitle{color:var(--text-muted);font-size:14px}.auth-container{background-color:var(--bg-color);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{border:1px solid var(--border-color);background:#fff;border-radius:12px;width:100%;max-width:400px;padding:40px;box-shadow:0 4px 6px #0000001a}.auth-title{text-align:center;margin-bottom:8px;font-size:24px;font-weight:700}.auth-subtitle{color:var(--text-muted);text-align:center;margin-bottom:24px;font-size:14px}.form-group{margin-bottom:16px}.form-label{color:var(--text-main);margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-input{border:1px solid var(--border-color);border-radius:6px;width:100%;padding:10px 12px;font-family:inherit;font-size:14px}.form-input:focus{border-color:var(--primary-blue);outline:none;box-shadow:0 0 0 2px #06f3}.auth-link{text-align:center;color:var(--primary-blue);margin-top:16px;font-size:14px;display:block}.documents-card{border:1px solid var(--border-color);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 2px #0000000d}.documents-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.documents-title{font-size:16px;font-weight:600}.documents-subtitle{color:var(--text-muted);margin-top:2px;font-size:13px}.view-all-link{color:var(--text-main);align-items:center;gap:4px;font-size:14px;font-weight:500;display:flex}.document-list{flex-direction:column;display:flex}.document-item{border-bottom:1px solid var(--border-color);align-items:center;padding:16px 24px;display:flex}.document-item:last-child{border-bottom:none}.doc-icon{border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;margin-right:16px;display:flex}.doc-icon.invoice{color:var(--primary-blue);background-color:#eff6ff}.doc-icon.receipt{color:var(--success-text);background-color:#ecfdf5}.doc-info{flex:1}.doc-number{align-items:center;gap:8px;font-weight:600;display:flex}.doc-type-badge{color:var(--text-muted);background-color:#f3f4f6;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:500}.doc-client{color:var(--text-muted);margin-top:4px;font-size:13px}.doc-meta{text-align:right;align-items:center;gap:16px;display:flex}.doc-amount-date{flex-direction:column;align-items:flex-end;display:flex}.doc-amount{font-size:15px;font-weight:600}.doc-date{color:var(--text-muted);align-items:center;gap:4px;margin-top:4px;font-size:12px;display:flex}.status-badge{border-radius:12px;padding:4px 10px;font-size:12px;font-weight:500}.status-paid{color:#065f46;background-color:#d1fae5}.status-pending{color:#92400e;background-color:#fef3c7}