/* ============================================
   MELHORIAS NOS CARDS
   ============================================ */

/* Efeito de brilho sutil nos cards */
.card {
    position: relative;
}

.card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, rgba(245, 166, 35, 0.1), rgba(245, 166, 35, 0.05));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    pointer-events: none;
}

.card:hover::after {
    opacity: 1;
}

/* Melhorias no card-header */
.card-header h5 {
    position: relative;
}

.card-header h5::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(245, 166, 35, 0.8), transparent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.card:hover .card-header h5::after {
    width: 60px;
}

/* Melhorias no card-body */
.card-body {
    position: relative;
}

/* Efeito de profundidade */
.card {
    background: linear-gradient(135deg, #151515 0%, #1a1a1a 100%);
}

/* Melhorias nas bordas */
.card {
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.card:hover {
    border: 1px solid rgba(245, 166, 35, 0.3);
}

/* Sombra melhorada */
.card {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}

.card:hover {
    box-shadow: 0 12px 40px rgba(245, 166, 35, 0.2), 0 0 0 1px rgba(245, 166, 35, 0.1) inset;
}

/* Welcome card especial */
.welcome-card {
    background: linear-gradient(135deg, rgba(30, 30, 50, 0.9) 0%, rgba(20, 20, 40, 0.9) 100%);
    border: 2px solid rgba(245, 166, 35, 0.3);
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, rgba(245, 166, 35, 0.6), rgba(245, 166, 35, 0.3), rgba(245, 166, 35, 0.6));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Top buyers card */
.top-buyers-card .card-header {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(220, 38, 38, 0.1) 100%);
}

/* Discord widget card */
.discord-widget-card .card-header {
    background: linear-gradient(135deg, rgba(114, 137, 218, 0.2) 0%, rgba(88, 101, 242, 0.1) 100%);
}