/* --- Navigation & Layout --- */
.dropdown { 
    position: relative; 
    display: inline-block; 
}

.dropdown-content { 
    display: none; 
    position: absolute; 
    z-index: 100; 
    top: 100%; 
    left: 0; 
    padding-top: 12px; 
}

.dropdown:hover .dropdown-content { 
    display: block; 
}

/* --- Loader & Animations --- */
.loader { 
    border-top-color: #2563EB; 
    animation: spinner 1.5s linear infinite; 
}

@keyframes spinner { 
    0% { transform: rotate(0deg); } 
    100% { transform: rotate(360deg); } 
}

.pulse-border { 
    animation: pulse-royal 2s infinite; 
}

@keyframes pulse-royal { 
    0% { border-color: #e2e8f0; } 
    50% { border-color: #2563EB; } 
    100% { border-color: #e2e8f0; } 
}

/* --- Typography & Indicators --- */
.trend-up { 
    color: #10b981; 
    font-weight: 800; 
}

.trend-down { 
    color: #ef4444; 
    font-weight: 800; 
}