:root { --primary-color: #0d6efd; --glass-bg: rgba(255, 255, 255, 0.75); --glass-border: 1px solid rgba(255, 255, 255, 0.3); --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1); }
body { font-family: 'Inter', sans-serif; background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); min-height: 100vh; }
.glass-card { background: var(--glass-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: var(--glass-border); box-shadow: var(--glass-shadow); border-radius: 16px; transition: transform 0.2s; }
.navbar.glass-nav { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0,0,0,0.05); }
.card-img-top { height: 180px; object-fit: cover; border-top-left-radius: 16px; border-top-right-radius: 16px; }
.footer { background-color: #343a40; color: white; padding: 40px 0; margin-top: auto;}
.badge-cat { position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,0.6); color: white; padding: 5px 10px; border-radius: 20px; font-size: 0.8rem; }
.detail-img { width: 100%; height: 400px; object-fit: cover; border-radius: 16px; }
.unread-dot { display: inline-block; width: 10px; height: 10px; background: red; border-radius: 50%; margin-left: 5px; }
.msg-unread { background-color: rgba(13, 110, 253, 0.1); font-weight: bold; }