:root{--primary:#5b5ce2;--dark:#17182b;--bg:#f5f6fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#202235;font-family:Inter,Arial,sans-serif}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--dark);color:#fff;padding:28px 18px;position:fixed;inset:0 auto 0 0}.brand{font-size:23px;font-weight:800}.brand span{color:#8b8cff}.sidebar nav a{display:block;color:#c9cbe0;text-decoration:none;padding:12px 14px;border-radius:9px;margin:5px 0}.sidebar nav a:hover{background:#292a42;color:#fff}.sidebar-footer{position:absolute;bottom:25px;color:#777a95;font-size:12px}.main-content{margin-left:250px;width:calc(100% - 250px);padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.topbar h1{font-size:27px;margin:0 0 4px}.admin-user{font-size:14px}.admin-user a{color:var(--primary);text-decoration:none}.stat-card,.card{background:#fff;border:0;border-radius:15px;box-shadow:0 4px 18px rgba(20,25,50,.05)}.stat-card{padding:24px}.stat-label{color:#70748c;font-size:14px}.stat-number{font-size:34px;font-weight:800;margin:8px 0}.form-card{max-width:900px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#17182b,#35366a)}.login-card{width:min(430px,92%);background:#fff;border-radius:18px;padding:35px;box-shadow:0 15px 50px rgba(0,0,0,.25)}.login-card .brand{text-align:center;color:#17182b;margin-bottom:6px}.login-card .brand span{color:var(--primary)}.form-control,.form-select{padding:.72rem .85rem;border-radius:9px}.btn-primary{background:var(--primary);border-color:var(--primary)}.table th{font-size:12px;text-transform:uppercase;color:#777b91}.table td,.table th{padding:15px 18px;vertical-align:middle}@media(max-width:800px){.sidebar{width:210px}.main-content{margin-left:210px;width:calc(100% - 210px);padding:18px}.topbar{display:block}.admin-user{margin-top:12px}}