/* custom alert */
.alert-custom {
    position: relative;
    padding: 1rem 1.5rem;
    border-left-width: 0.4rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.alert-custom .alert-icon {
    font-size: 1.5rem;
    vertical-align: middle;
    margin-right: 0.75rem;
}

/* versi kecil */
.alert-custom.alert-sm {
    padding: 0.5rem 0.75rem;
    border-left-width: 0.25rem;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.alert-custom.alert-sm .alert-icon {
    font-size: 1rem;
    margin-right: 0.4rem;
}

.alert-custom.alert-sm .alert-content {
    line-height: 1.3;
}

/* warna border kiri sesuai type */
.alert-success.alert-custom {
    border-left-color: #28a745;
}

.alert-danger.alert-custom {
    border-left-color: #dc3545;
}

.alert-warning.alert-custom {
    border-left-color: #ffc107;
}

.alert-info.alert-custom {
    border-left-color: #17a2b8;
}

/* konten teks */
.alert-custom .alert-content {
    display: inline-block;
    vertical-align: middle;
}

.alert-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(0, 0, 0, 0.05);
}

.alert-progress .progress-bar {
    width: 100%;
    transition: width linear;
    height: 100%;
}

/* progress versi kecil */
.alert-custom.alert-sm .alert-progress {
    height: 2px;
}