/* =================================================================
   9. MODAL E ALERTAS
   ================================================================= */
.modal-content {
    background: var(--bg-container);
    border-radius: 24px;
    border: 1px solid var(--border-highlight);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    backdrop-filter: blur(20px);
    color: var(--text-main);
}

:root.dark-mode .modal-content {
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.modal-header {
    background: transparent;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 24px 24px 0 0;
    color: var(--text-main);
    padding: 1.5rem;
}

.btn-close {
    filter: none;
}
:root.dark-mode .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.card-header-alt {
    background: rgba(0, 240, 255, 0.1);
    color: #000000;
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}

.card-header-alt h6 {
    color: #000000;
    font-weight: 700;
    margin: 0;
}

.card-alt-bg {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.1);
}

.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    font-weight: 500;
}

.alert-info {
    background: rgba(0, 240, 255, 0.1);
    color: var(--text-main);
    border: 1px solid rgba(0, 240, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    backdrop-filter: blur(5px);
}

:root.dark-mode .alert-info {
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}