*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f5f7fa;color:#172033}
.sidebar{position:fixed;left:0;top:0;width:250px;height:100vh;background:#fff;border-right:1px solid #e4e7ec;padding:20px 14px}
.logo{display:flex;align-items:center;gap:10px;padding:5px 10px 25px}
.logo img{width:40px;height:40px;object-fit:contain;border: 4px solid blueviolet;border-radius: 10px;}
.logo h2{font-size:20px;margin:0}
.logo span{color:#0b7a4b}
.nav-title{font-size:11px;font-weight:800;color:#98a2b3;margin:18px 10px 7px}
.nav-link{display:flex;align-items:center;gap:12px;text-decoration:none;color:#475467;padding:11px 12px;border-radius:8px;margin:3px 0;font-size:14px}
.nav-link:hover,.nav-link.active{background:#eef7f2;color:#087443}
.nav-link i{width:18px;text-align:center}
.logout{margin-top:20px}
.main{margin-left:250px;min-height:100vh}
.topbar{background:#fff;border-bottom:1px solid #e4e7ec;padding:22px 32px;display:flex;align-items:center;justify-content:space-between}
.topbar h1{margin:0 0 5px;color:#123b2a;font-size:26px}
.topbar p{margin:0;color:#667085}
.danger-btn,.remove-btn{border:0;background:#fff0f0;color:#b42318;border:1px solid #f2c6c6;border-radius:8px;padding:10px 14px;font-weight:700;cursor:pointer}
.content{padding:28px 32px}
.bookmark-list{display:grid;gap:15px}
.bookmark-card{background:#fff;border:1px solid #e4e7ec;border-radius:12px;padding:20px;box-shadow:0 3px 12px rgba(0,0,0,.05);display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}
.bookmark-card h3{margin:0 0 7px;color:#123b2a}
.bookmark-card p{margin:0 0 5px;color:#667085;font-size:13px}
.question{color:#344054;font-size:15px;line-height:1.5}
.actions{display:flex;gap:8px}
.empty{text-align:center;background:#fff;border:1px solid #e4e7ec;border-radius:12px;padding:65px 20px;color:#667085}
.empty i{font-size:40px;color:#98a2b3;margin-bottom:12px}
@media(max-width:650px){.sidebar{position:static;width:100%;height:auto}.main{margin-left:0}.topbar,.content{padding:18px}.bookmark-card{grid-template-columns:1fr}.actions button{width:100%}.topbar{gap:12px;flex-wrap:wrap}}