:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#fff;padding:20px}.login-box{background:#fff;border-radius:12px;padding:40px;box-shadow:0 10px 40px #22283126;width:100%;max-width:450px;border:1px solid #e0e0e0}.login-header{text-align:center;margin-bottom:30px}.login-logo{max-width:200px;height:auto;margin-bottom:20px;display:block;margin-left:auto;margin-right:auto}.login-header h1{color:#222831;font-size:2rem;margin-bottom:10px}.login-header p{color:#666;font-size:.95rem}.login-form{display:flex;flex-direction:column;gap:20px}.login-form .form-group{display:flex;flex-direction:column}.login-form .form-group 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0;font-size:1rem}.form-actions{display:flex;justify-content:center;margin-top:30px}.btn-primary{padding:15px 40px;background:#222831;color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #2228314d}.btn-primary:hover{background:#2d3744;transform:translateY(-2px);box-shadow:0 6px 20px #22283166}.btn-primary:active{transform:translateY(0)}@media(max-width:768px){.form-grid{grid-template-columns:1fr}.app-header h1{font-size:1.5rem}.app-header p{font-size:.9rem}.app-logo{max-width:100px}.header-left{flex-direction:column;gap:10px;text-align:center}.header-left>div{text-align:center}.form-container{padding:20px}.tab-navigation{flex-direction:column;align-items:center}.tab-btn{width:100%;max-width:300px}}.quotations-list,.invoices-list{margin-top:20px}.data-table{width:100%;border-collapse:collapse;margin-top:20px;background:#fff;box-shadow:0 2px 8px #0000001a;border-radius:8px;overflow:hidden}.data-table 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