.sidebar{width:var(--sidebar-width);background-color:var(--primary-color);color:var(--text-light);display:flex;flex-direction:column;transition:all .3s ease}.sidebar-logo{padding:1rem;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;background-color:#fff;border-radius:8px;margin:1rem;border-bottom:none}.sidebar-nav{padding:1.5rem 0;display:flex;flex-direction:column;flex:1;overflow-y:auto}.nav-item{padding:.75rem 1.5rem;color:#ffffffb3;display:flex;align-items:center;gap:.75rem;font-weight:500;transition:all .2s}.nav-item:hover{color:#fff;background-color:#ffffff0d}.nav-item.active{color:#fff;background-color:#ffffff1a;border-left:4px solid var(--accent-color)}.nav-divider{height:1px;background-color:#ffffff1a;margin:1rem 1.5rem}.nav-title{padding:0 1.5rem;font-size:.75rem;text-transform:uppercase;color:#ffffff80;margin-bottom:.5rem;letter-spacing:.05em;font-weight:600}.main-header{height:var(--header-height);background-color:#fff;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 2rem}.header-search{display:flex;align-items:center;background-color:var(--bg-color);border-radius:var(--border-radius);padding:.5rem 1rem;width:300px}.header-search input{border:none;background:transparent;padding:0;margin-left:.5rem;box-shadow:none}.header-search input:focus{outline:none;box-shadow:none}.header-actions{display:flex;align-items:center;gap:1.5rem}.icon-btn{background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;padding:.5rem}.icon-btn:hover{color:var(--primary-color);background-color:var(--bg-color)}.user-profile{display:flex;align-items:center;gap:.75rem;font-weight:500;cursor:pointer;padding:.5rem;border-radius:var(--border-radius)}.user-profile:hover{background-color:var(--bg-color)}:root{--primary-color: #1e3a8a;--secondary-color: #3b82f6;--accent-color: #f59e0b;--bg-color: #f8fafc;--bg-panel: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--text-light: #ffffff;--border-color: #e2e8f0;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--border-radius: 8px;--sidebar-width: 250px;--header-height: 64px;--status-success: #10b981;--status-warning: #f59e0b;--status-danger: #ef4444;--status-info: #3b82f6}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary-color);text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--border-radius);transition:all .2s}.btn-primary{background-color:var(--primary-color);color:var(--text-light);padding:.5rem 1rem;font-weight:500}.btn-primary:hover{background-color:var(--secondary-color)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color);padding:.5rem 1rem;font-weight:500}.btn-secondary:hover{background-color:#f1f5f9}input,select,textarea{font-family:inherit;border:1px solid var(--border-color);border-radius:var(--border-radius);padding:.5rem;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #1e3a8a33}.card{background-color:var(--bg-panel);border-radius:var(--border-radius);padding:1.5rem;box-shadow:0 1px 3px #0000001a;border:1px solid var(--border-color)}.layout-container{display:flex;height:100vh;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-content{padding:2rem;overflow-y:auto;flex:1}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-title{font-size:1.5rem;font-weight:600;color:var(--primary-color)}