* {
    -webkit-tap-highlight-color: transparent;
}
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
.card {
    transition: all 0.2s;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -10px rgba(0,0,0,0.1);
}
.tab-active {
    background: #1e293b !important;
    color: white !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.timer-alert {
    color: #dc2626;
    font-weight: 700;
    animation: pulse 0.8s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}
.toast {
    transition: opacity 0.3s;
}
.avatar-img {
    width: 56px;
    height: 56px;
    border-radius: 28px;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}