body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background-color:#f4f6f8;color:#1a1a1a}.layout{display:flex;flex-direction:column;height:100vh}.header{height:60px;background-color:#1f2937;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem}.logo{font-weight:600;font-size:1rem}.logout{background:#ef4444;border:none;color:#fff;padding:.5rem .9rem;border-radius:6px;cursor:pointer}.logout:hover{background:#dc2626}.body{flex:1;display:flex;font-size:15px;line-height:1.6}.sidebar{width:220px;background-color:#111827;color:#e5e7eb;padding:1rem}.sidebar ul{list-style:none;padding:0}.sidebar li{margin-bottom:1rem;cursor:pointer}.sidebar li:hover{color:#fff}.content{flex:1;padding:2rem;background-color:#eef2f6}.card{background:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 2px 10px #0000000f}.menu-button{display:none;font-size:1.4rem;background:none;border:none;color:#fff;cursor:pointer}@media(max-width:768px){.menu-button{display:block}.body{flex-direction:column}.sidebar{position:fixed;top:60px;left:-240px;height:calc(100% - 60px);width:220px;transition:left .25s ease;z-index:1000}.sidebar.open{left:0}.content{padding:1rem}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1f2937,#111827)}.auth-card{background:#fff;padding:2.5rem;border-radius:14px;width:100%;max-width:380px;box-shadow:0 20px 40px #0003;text-align:center}.auth-title{font-size:1.4rem;font-weight:600;margin-bottom:.5rem}.auth-subtitle{font-size:.9rem;color:#6b7280;margin-bottom:2rem}.primary-button{background:#2563eb;color:#fff;border:none;padding:.7rem 1.2rem;border-radius:8px;cursor:pointer;font-size:.9rem}.primary-button:hover{background:#1d4ed8}.loader-card{display:flex;flex-direction:column;align-items:center}.spinner{width:36px;height:36px;border:4px solid #e5e7eb;border-top:4px solid #2563eb;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.input{padding:.6rem .8rem;border-radius:8px;border:1px solid #d1d5db;font-size:.9rem}.input:focus{outline:none;border-color:#2563eb}