:root{--primary-blue: #0066FF;--primary-blue-hover: #0052cc;--black: #000000;--white: #FFFFFF;--bg-color: #f4f7f6;--surface: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--glass-shadow: 0 8px 32px 0 rgba(0, 102, 255, .1);--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .2s ease;--transition-normal: .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:700;color:var(--black)}#app{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--surface);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:1.5rem;box-shadow:var(--shadow-sm);z-index:10}.sidebar-logo{display:flex;align-items:center;justify-content:center;margin-bottom:2rem}.sidebar-logo img{max-width:180px;height:auto}.nav-links{list-style:none;display:flex;flex-direction:column;gap:.5rem}.nav-item{padding:.75rem 1rem;border-radius:var(--radius-md);color:var(--text-muted);font-weight:500;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:.75rem}.nav-item:hover,.nav-item.active{background-color:#0066ff0d;color:var(--primary-blue)}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto}.header{background-color:var(--surface);padding:1rem 2rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm)}.header-title{font-size:1.25rem;font-weight:600}.content-area{padding:2rem;flex:1}.card{background:var(--surface);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.2);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.form-group{margin-bottom:1.5rem}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--text-main)}.form-control{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:Inter,sans-serif;font-size:1rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);background-color:#f8fafc}.form-control:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #0066ff26;background-color:var(--white)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;font-size:.875rem;cursor:pointer;transition:all var(--transition-fast);border:none;font-family:Inter,sans-serif}.btn-primary{background-color:var(--primary-blue);color:var(--white);box-shadow:0 4px 14px #0066ff63}.btn-primary:hover{background-color:var(--primary-blue-hover);box-shadow:0 6px 20px #0066ff3b;transform:translateY(-1px)}.grid{display:grid;gap:1.5rem}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.text-right{text-align:right}.text-primary{color:var(--primary-blue)}.font-bold{font-weight:700}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.stat-card{display:flex;flex-direction:column}.stat-title{font-size:.875rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:2rem;font-family:Outfit,sans-serif;font-weight:700;color:var(--black);margin-top:.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.login-container{display:flex;align-items:center;justify-content:center;width:100%;height:100vh;background-color:var(--bg-color)}.login-card{background:var(--surface);padding:3rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:400px}.text-center{text-align:center}.table-container{width:100%;overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border-color)}table{width:100%;border-collapse:collapse;text-align:left}th,td{padding:1rem;border-bottom:1px solid var(--border-color)}th{background-color:#f8fafc;font-weight:600;color:var(--text-muted);font-size:.875rem;text-transform:uppercase}tr:last-child td{border-bottom:none}@media print{@page{margin:0}body{background:#fff;padding:1.5cm}.sidebar,.header,.no-print{display:none!important}.layout-grid{display:block!important}.main-content{margin:0;padding:0}.content-area{padding:0}.card{box-shadow:none;border:none;padding:0}#invoice-preview,#it-invoice-preview,#salary-preview{border:none!important;box-shadow:none!important;margin:0!important;padding:0!important;width:100%}}