:root{--bg-color: #F9F8F6;--primary-color: #4A5899;--text-primary: #1A1A1A;--text-secondary: #666666;--border-color: #E2E0D9;--card-bg: #FFFFFF;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .02);--shadow-md: 0 4px 6px rgba(0, 0, 0, .04);--border-radius: 8px;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:var(--text-primary);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary)}*{box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin-top:0;font-weight:600;letter-spacing:-.01em;color:var(--text-primary)}a{font-weight:500;color:var(--primary-color);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}button{border-radius:var(--border-radius);border:1px solid transparent;padding:.5em 1.2em;font-size:.9rem;font-weight:500;font-family:inherit;background-color:var(--primary-color);color:#fff;cursor:pointer;transition:opacity .2s}button:hover{opacity:.9}button.outline{background-color:transparent;border:1px solid var(--border-color);color:var(--text-primary)}button.outline:hover{background-color:#f0f0f0}input,select,textarea{font-family:inherit;padding:.6em;border:1px solid var(--border-color);border-radius:4px;background-color:#fff;color:var(--text-primary);outline:none;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary-color)}.card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);padding:1.5rem}.table-container{width:100%;border-collapse:collapse;border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden;background:var(--card-bg)}.table-container th,.table-container td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}.table-container th{background-color:#fcfbf9;font-weight:600;font-size:.9rem;color:var(--text-secondary)}.table-container tr:last-child td{border-bottom:none}.layout-container{display:flex;height:100vh;overflow:hidden}.sidebar{width:250px;background-color:var(--card-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--border-color)}.sidebar-header h2{margin:0;font-size:1.2rem;color:var(--primary-color)}.sidebar-nav{padding:1rem 0;display:flex;flex-direction:column;gap:.25rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--text-secondary);transition:all .2s}.nav-item:hover{background-color:#f5f4f0;color:var(--text-primary);opacity:1}.nav-item.active{background-color:#f0f4ff;color:var(--primary-color);border-right:3px solid var(--primary-color)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{height:64px;background-color:var(--card-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;padding:0 2rem}.topbar-title{font-weight:500;color:var(--text-secondary)}.content-area{flex:1;padding:2rem;overflow-y:auto}.page-container{max-width:1200px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h1{margin:0;font-size:1.5rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0003;display:flex;align-items:center;justify-content:center;z-index:100}.modal-content{background-color:var(--card-bg);border-radius:var(--border-radius);padding:2rem;width:100%;max-width:500px;box-shadow:var(--shadow-md)}.form-group{margin-bottom:1rem;display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;font-size:.9rem}